{"id":287020,"date":"2024-11-07T07:14:30","date_gmt":"2024-11-07T07:14:30","guid":{"rendered":"https:\/\/www.ziptuning.com\/ar\/?p=287020"},"modified":"2024-11-08T07:55:32","modified_gmt":"2024-11-08T07:55:32","slug":"spn-2791-exhaust-gas-recirculation-egr-valve-position","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/ar\/blog\/spn-2791-exhaust-gas-recirculation-egr-valve-position\/","title":{"rendered":"SPN 2791: \u0645\u0648\u0636\u0639 \u0635\u0645\u0627\u0645 \u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0648\u064a\u0631 \u063a\u0627\u0632 \u0627\u0644\u0639\u0627\u062f\u0645 (EGR)"},"content":{"rendered":"<p>\u064a\u0634\u064a\u0631 \u0643\u0648\u062f \u0627\u0644\u0639\u0637\u0644 SPN 2791 \u0625\u0644\u0649 \u0648\u062c\u0648\u062f \u0645\u0634\u0643\u0644\u0629 \u0641\u064a \u0646\u0638\u0627\u0645 \u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0648\u064a\u0631 \u063a\u0627\u0632 \u0627\u0644\u0639\u0627\u062f\u0645 (EGR)\u060c \u0627\u0644\u0630\u064a \u064a\u0648\u062c\u062f \u0639\u0627\u062f\u0629\u064b \u0641\u064a \u0627\u0644\u0634\u0627\u062d\u0646\u0627\u062a \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629 \u0648\u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0645\u062b\u0644 \u0637\u0631\u0627\u0632\u0627\u062a International \u0648Freightliner.<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u0641\u064a \u0648\u0631\u0634\u062a\u0646\u0627\u060c \u0648\u0627\u062c\u0647\u0646\u0627 \u0643\u0648\u062f \u0627\u0644\u0639\u0637\u0644 SPN 2791 \u0628\u0634\u0643\u0644 \u0645\u062a\u0643\u0631\u0631 \u0639\u0628\u0631 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0637\u0631\u0627\u0632\u0627\u062a. \u0641\u0642\u0637 \u0627\u0644\u0623\u0633\u0628\u0648\u0639 \u0627\u0644\u0645\u0627\u0636\u064a\u060c \u062c\u0627\u0621\u062a\u0646\u0627 \u0633\u064a\u0627\u0631\u0629 \u0641\u0648\u0644\u0641\u0648 XC90 \u0645\u0648\u062f\u064a\u0644 2018 \u0645\u0639 \u0646\u0642\u0635 \u0641\u064a \u0627\u0644\u0642\u0648\u0629 \u0648\u0623\u062f\u0627\u0621 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631. \u0648\u0628\u0639\u062f \u0627\u0644\u0641\u062d\u0635 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u062f\u0627\u0629 \u0627\u0644\u062a\u0634\u062e\u064a\u0635\u060c \u0638\u0647\u0631 \u0643\u0648\u062f SPN 2791 FMI 7\u060c \u0645\u0634\u064a\u0631\u064b\u0627 \u0625\u0644\u0649 \u0648\u062c\u0648\u062f \u062e\u0644\u0644 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0641\u064a \u0635\u0645\u0627\u0645 EGR. \u0648\u0642\u062f \u0648\u0627\u062c\u0647\u0646\u0627 \u0645\u0634\u0627\u0643\u0644 \u0645\u0634\u0627\u0628\u0647\u0629 \u0641\u064a \u0633\u064a\u0627\u0631\u0627\u062a \u0641\u0648\u0644\u0643\u0633 \u0648\u0627\u062c\u0646 \u062a\u064a\u063a\u0648\u0627\u0646 \u0648\u0623\u0648\u062f\u064a Q5 \u0623\u064a\u0636\u064b\u0627. \u0648\u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0644\u064a\u0633\u062a \u0645\u0642\u062a\u0635\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u0637\u0631\u0627\u0632\u0627\u062a \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a\u0629 \u0641\u0642\u0637\u060c \u0628\u0644 \u0648\u062c\u062f\u0646\u0627 \u0643\u0648\u062f SPN 2791 \u0641\u064a \u0634\u0627\u062d\u0646\u0627\u062a \u0631\u0627\u0645 2500 \u0648\u062d\u062a\u0649 \u0641\u064a \u0628\u0639\u0636 \u0633\u064a\u0627\u0631\u0627\u062a \u0646\u064a\u0633\u0627\u0646 \u0641\u0631\u0648\u0646\u062a\u064a\u0631. \u0648\u0645\u0646 \u062e\u0628\u0631\u062a\u0646\u0627\u060c \u064a\u0628\u062f\u0648 \u0623\u0646 \u062a\u0631\u0627\u0643\u0645 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0648\u0627\u0644\u062a\u0635\u0627\u0642 \u0635\u0645\u0627\u0645\u0627\u062a EGR \u0647\u0645\u0627 \u0627\u0644\u0633\u0628\u0628\u0627\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0627\u0646\u060c \u0628\u063a\u0636 \u0627\u0644\u0646\u0638\u0631 \u0639\u0646 \u0637\u0631\u0627\u0632 \u0627\u0644\u0633\u064a\u0627\u0631\u0629. \u062a\u0646\u0638\u064a\u0641 \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0627\u0644\u0645\u0645\u0631\u0627\u062a \u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u062d\u0644 \u0627\u0644\u0645\u0634\u0643\u0644\u0629\u060c \u0648\u0644\u0643\u0646 \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u062d\u0627\u0644\u0627\u062a\u060c \u0627\u0636\u0637\u0631\u0631\u0646\u0627 \u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u0623\u0643\u0645\u0644\u0647\u0627.<\/p>\n<\/div>\n<h2 id=\"urgency-and-severity\">\u0623\u0647\u0645\u064a\u0629 \u0648\u062e\u0637\u0648\u0631\u0629 \u0627\u0644\u0645\u0634\u0643\u0644\u0629<\/h2>\n<p>\u0639\u0646\u062f \u0638\u0647\u0648\u0631 \u0643\u0648\u062f \u0627\u0644\u0639\u0637\u0644 SPN 2791\u060c \u064a\u064f\u0641\u0636\u0644 \u062a\u0642\u064a\u064a\u0645 \u0645\u062f\u0649 \u062e\u0637\u0648\u0631\u0629 \u0627\u0644\u0645\u0634\u0643\u0644\u0629:<\/p>\n<ul>\n<li>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0645\u0635\u062d\u0648\u0628\u064b\u0627 \u0628\u0627\u0646\u062e\u0641\u0627\u0636 \u0642\u0648\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u0623\u0648 \u0623\u062f\u0627\u0621 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631\u060c \u064a\u064f\u0641\u0636\u0644 \u0627\u0644\u062a\u0648\u0642\u0641 \u0639\u0646 \u0627\u0644\u0642\u064a\u0627\u062f\u0629 \u0648\u0641\u062d\u0635 \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0628\u0648\u0627\u0633\u0637\u0629 \u0641\u0646\u064a \u0645\u0624\u0647\u0644.<\/li>\n<li>\u0641\u064a \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0623\u0642\u0644 \u062e\u0637\u0648\u0631\u0629\u060c \u064a\u0645\u0643\u0646 \u0627\u0644\u0627\u0633\u062a\u0645\u0631\u0627\u0631 \u0641\u064a \u0627\u0644\u0642\u064a\u0627\u062f\u0629 \u0644\u0641\u062a\u0631\u0629 \u0642\u0635\u064a\u0631\u0629\u060c \u0648\u0644\u0643\u0646 \u064a\u064f\u0641\u0636\u0644 \u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0641\u0648\u0631\u064b\u0627 \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0623\u0636\u0631\u0627\u0631.<\/li>\n<\/ul>\n<h2 id=\"code-details\">\u062a\u0641\u0627\u0635\u064a\u0644 \u0627\u0644\u0643\u0648\u062f<\/h2>\n<ul>\n<li>SPN 2791 \u0647\u0648 \u0643\u0648\u062f \u0639\u0627\u0645 \u064a\u0646\u0637\u0628\u0642 \u0639\u0644\u0649 \u0639\u062f\u0629 \u0637\u0631\u0627\u0632\u0627\u062a \u0645\u0646 \u0627\u0644\u0634\u0627\u062d\u0646\u0627\u062a \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629 \u0648\u0627\u0644\u062b\u0642\u064a\u0644\u0629.<\/li>\n<li>\u0642\u062f \u064a\u0643\u0648\u0646 \u0644\u0644\u0643\u0648\u062f \u0645\u0624\u0634\u0631\u0627\u062a \u0648\u0636\u0639 \u0639\u0637\u0644 \u0645\u062e\u062a\u0644\u0641\u0629 (FMI) \u062a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0646\u0648\u0639 \u0627\u0644\u0639\u0637\u0644:\n<ul>\n<li>FMI 7: \u062e\u0644\u0644 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0641\u064a \u0635\u0645\u0627\u0645 EGR<\/li>\n<li>FMI 13: \u0645\u0639\u0627\u064a\u0631\u0629 \u062e\u0627\u0637\u0626\u0629 \u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0635\u0645\u0627\u0645 EGR<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 id=\"parts-involved-and-their-roles\">\u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u0645\u0639\u0646\u064a\u0629 \u0648\u0623\u062f\u0648\u0627\u0631\u0647\u0627<\/h2>\n<p>\u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u0645\u0631\u062a\u0628\u0637 \u0628\u0640 SPN 2791 \u0647\u0648 \u0635\u0645\u0627\u0645 EGR\u060c \u0627\u0644\u0630\u064a \u064a\u062a\u062d\u0643\u0645 \u0641\u064a \u062a\u062f\u0641\u0642 \u063a\u0627\u0632\u0627\u062a \u0627\u0644\u0639\u0627\u062f\u0645 \u0627\u0644\u0645\u0639\u0627\u062f \u062a\u062f\u0648\u064a\u0631\u0647\u0627 \u0625\u0644\u0649 \u0645\u062f\u062e\u0644 \u0627\u0644\u0645\u062d\u0631\u0643 \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0646\u0628\u0639\u0627\u062b\u0627\u062a \u0623\u0643\u0627\u0633\u064a\u062f \u0627\u0644\u0646\u064a\u062a\u0631\u0648\u062c\u064a\u0646 (NOx).<\/p>\n<h2 id=\"common-causes\">\u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<ul>\n<li>\u0635\u0645\u0627\u0645 EGR \u0645\u0639\u0637\u0648\u0628<\/li>\n<li>\u0627\u0646\u0633\u062f\u0627\u062f \u0645\u0645\u0631\u0627\u062a EGR \u0623\u0648 \u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0631\u0628\u0637<\/li>\n<li>\u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0641\u064a \u062f\u0627\u0626\u0631\u0629 \u0635\u0645\u0627\u0645 EGR<\/li>\n<li>\u0627\u0633\u062a\u0634\u0639\u0627\u0631 \u062f\u0644\u062a\u0627-\u0628\u064a (Delta-P) \u062a\u0627\u0644\u0641<\/li>\n<li>\u0628\u0631\u0646\u0627\u0645\u062c \u0645\u062d\u0631\u0643 \u0623\u0648 \u0645\u0639\u0627\u064a\u0631\u0629 \u062e\u0627\u0637\u0626\u0629<\/li>\n<\/ul>\n<h2 id=\"diagnosing-steps\">\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u062a\u0634\u062e\u064a\u0635<\/h2>\n<ol>\n<li>\u0627\u0644\u0628\u062d\u062b \u0639\u0646 \u0623\u0643\u0648\u0627\u062f \u0623\u0639\u0637\u0627\u0644 \u0625\u0636\u0627\u0641\u064a\u0629\u060c \u062e\u0627\u0635\u0629\u064b \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0645\u062a\u0639\u0644\u0642\u0629 \u0628\u0627\u0644\u062c\u0647\u062f (SPN 168).<\/li>\n<li>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0642\u064a\u0645\u0629 &#8220;Reserved for Extreme Parameter&#8221; \u0641\u064a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0648\u0633\u0639\u0629 \u0644\u0643\u0648\u062f SPN 2791 FMI 7.<\/li>\n<li>\u0641\u062d\u0635 \u062d\u0631\u0643\u0629 \u0633\u062d\u0628 \u0630\u0631\u0627\u0639 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0645\u0622\u062e\u0630 \u0627\u0644\u0643\u0631\u0627\u062a \u0641\u064a \u0635\u0645\u0627\u0645 EGR \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u062d\u0631\u064a\u0629 \u0627\u0644\u062d\u0631\u0643\u0629 \u0648\u0627\u0633\u062a\u0628\u062f\u0627\u0644\u0647\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0645\u0639\u0637\u0648\u0628\u0629.<\/li>\n<li>\u0642\u064a\u0627\u0633 \u0645\u0642\u0627\u0648\u0645\u0629 \u0645\u0644\u0641 \u0645\u062d\u0631\u0643 \u0645\u0634\u063a\u0644 \u0635\u0645\u0627\u0645 EGR\u060c \u0648\u064a\u062c\u0628 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0628\u064a\u0646 55-65 \u0623\u0648\u0645.<\/li>\n<li>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0648\u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0628\u064a\u0646 \u0635\u0645\u0627\u0645 EGR \u0648\u0648\u062d\u062f\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u062d\u0631\u0643 (ECM).<\/li>\n<\/ol>\n<h2 id=\"solutions\">\u0627\u0644\u062d\u0644\u0648\u0644<\/h2>\n<ul>\n<li>\u062a\u0646\u0638\u064a\u0641 \u0623\u0648 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0635\u0645\u0627\u0645 EGR \u0648\u0627\u0644\u0645\u0645\u0631\u0627\u062a.<\/li>\n<li>\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0645\u0633\u062a\u0634\u0639\u0631\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u0641\u0629 \u0645\u062b\u0644 \u0645\u0633\u062a\u0634\u0639\u0631 \u062f\u0644\u062a\u0627-P.<\/li>\n<li>\u062a\u062d\u062f\u064a\u062b \u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u0645\u062d\u0631\u0643\/\u0627\u0644\u0645\u0639\u0627\u064a\u0631\u0629 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u063a\u064a\u0631 \u0635\u062d\u064a\u062d\u0629.<\/li>\n<li>\u0625\u0635\u0644\u0627\u062d \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0648\u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u062d\u0633\u0628 \u0627\u0644\u062d\u0627\u062c\u0629.<\/li>\n<\/ul>\n<h2 id=\"prevention\">\u0627\u0644\u0648\u0642\u0627\u064a\u0629<\/h2>\n<ul>\n<li>\u0625\u062c\u0631\u0627\u0621 \u0635\u064a\u0627\u0646\u0629 \u062f\u0648\u0631\u064a\u0629 \u0644\u0646\u0638\u0627\u0645 EGR.<\/li>\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0648\u0642\u0648\u062f \u0648\u0632\u064a\u062a \u0639\u0627\u0644\u064a \u0627\u0644\u062c\u0648\u062f\u0629.<\/li>\n<li>\u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u0639\u062f\u064a\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u0642\u062f \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u062a\u0634\u063a\u064a\u0644 EGR.<\/li>\n<\/ul>\n<h2 id=\"repair-costs\">\u062a\u0643\u0627\u0644\u064a\u0641 \u0627\u0644\u0625\u0635\u0644\u0627\u062d<\/h2>\n<ul>\n<li>\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0635\u0645\u0627\u0645 EGR: 500-1000 \u062f\u0648\u0644\u0627\u0631 (425-850 \u064a\u0648\u0631\u0648)<\/li>\n<li>\u062a\u0646\u0638\u064a\u0641 \u0646\u0638\u0627\u0645 EGR: 100-300 \u062f\u0648\u0644\u0627\u0631 (85-255 \u064a\u0648\u0631\u0648)<\/li>\n<li>\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0639\u0645\u0644: 100-150 \u062f\u0648\u0644\u0627\u0631 (85-130 \u064a\u0648\u0631\u0648) \u0644\u0644\u0633\u0627\u0639\u0629<\/li>\n<\/ul>\n<h2 id=\"related-fault-codes\">\u0627\u0644\u0623\u0643\u0648\u0627\u062f \u0630\u0627\u062a \u0627\u0644\u0635\u0644\u0629<\/h2>\n<p>\u0642\u062f \u064a\u0638\u0647\u0631 \u0643\u0648\u062f SPN 2791 \u0625\u0644\u0649 \u062c\u0627\u0646\u0628 \u0623\u0643\u0648\u0627\u062f \u0623\u062e\u0631\u0649 \u0645\u062b\u0644:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ziptuning.com\/ar\/blog\/spn-2659-egr-mass-flow-rate\/\" title=\"SPN 2659: \u062f\u0627\u0626\u0631\u0629 \u0645\u0633\u062a\u0634\u0639\u0631 \u0645\u0648\u0636\u0639 \u0635\u0645\u0627\u0645 EGR\">SPN 2659: \u062f\u0627\u0626\u0631\u0629 \u0645\u0633\u062a\u0634\u0639\u0631 \u0645\u0648\u0636\u0639 \u0635\u0645\u0627\u0645 EGR<\/a><\/li>\n<li>SPN 168 FMI (\u0623\u064a): \u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u062c\u0647\u062f<\/li>\n<\/ul>\n<p>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0635\u0644\u0629:<\/p>\n<ul>\n<li>\u0642\u0637\u0631 \u0635\u0645\u0627\u0645 EGR: 50 \u0645\u0644\u0645 (2 \u0628\u0648\u0635\u0629)<\/li>\n<li>\u0642\u0637\u0631 \u0645\u0645\u0631 EGR: 25 \u0645\u0644\u0645 (1 \u0628\u0648\u0635\u0629)<\/li>\n<\/ul>\n<h2 id=\"frequently-asked-questions-about-spn-2791-fault-code\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u062d\u0648\u0644 \u0643\u0648\u062f \u0627\u0644\u0639\u0637\u0644 SPN 2791<\/h2>\n<h3 id=\"what-does-the-spn-2791-fault-code-mean-\">\u0645\u0627\u0630\u0627 \u064a\u0639\u0646\u064a \u0643\u0648\u062f \u0627\u0644\u0639\u0637\u0644 SPN 2791\u061f<\/h3>\n<p>\u064a\u0634\u064a\u0631 \u0643\u0648\u062f SPN 2791 \u0625\u0644\u0649 \u0645\u0634\u0643\u0644\u0629 \u0641\u064a \u0646\u0638\u0627\u0645 \u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0648\u064a\u0631 \u063a\u0627\u0632 \u0627\u0644\u0639\u0627\u062f\u0645 (EGR)\u060c \u0648\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u062a\u0643\u0648\u0646 \u062e\u0644\u0644\u064b\u0627 \u0641\u064a \u0635\u0645\u0627\u0645 EGR \u0623\u0648 \u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0647. \u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u0645\u062d\u062f\u062f\u0629 \u0628\u0648\u0627\u0633\u0637\u0629 \u0645\u0624\u0634\u0631 \u0648\u0636\u0639 \u0627\u0644\u0639\u0637\u0644 (FMI) \u0627\u0644\u0645\u0635\u0627\u062d\u0628 \u0644\u0644\u0643\u0648\u062f.<\/p>\n<h3 id=\"what-are-the-common-fmis-associated-with-spn-2791-\">\u0645\u0627 \u0647\u064a \u0645\u0624\u0634\u0631\u0627\u062a FMI \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0627\u0644\u0645\u0631\u062a\u0628\u0637\u0629 \u0628\u0640 SPN 2791\u061f<\/h3>\n<ul>\n<li>FMI 7: \u062e\u0644\u0644 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0641\u064a \u0635\u0645\u0627\u0645 EGR\u060c \u0645\u062b\u0644 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0639\u0627\u0644\u0642\u064b\u0627 \u0645\u0641\u062a\u0648\u062d\u064b\u0627 \u0623\u0648 \u0645\u063a\u0644\u0642\u064b\u0627.<\/li>\n<li>FMI 13: \u0639\u062f\u0645 \u0645\u0639\u0627\u064a\u0631\u0629 \u0648\u062d\u062f\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0635\u0645\u0627\u0645 EGR. \u0641\u0634\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0641\u064a \u0625\u062c\u0631\u0627\u0621 \u0645\u0639\u0627\u064a\u0631\u0629 \u062a\u0644\u0642\u0627\u0626\u064a\u0629 \u0639\u0646\u062f \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0641\u062a\u0627\u062d.<\/li>\n<\/ul>\n<h3 id=\"what-vehicles-are-affected-by-spn-2791-\">\u0645\u0627 \u0647\u064a \u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0627\u0644\u0645\u062a\u0623\u062b\u0631\u0629 \u0628\u0640 SPN 2791\u061f<\/h3>\n<p>\u064a\u0624\u062b\u0631 \u0647\u0630\u0627 \u0627\u0644\u0643\u0648\u062f \u0627\u0644\u0639\u0627\u0645 \u0628\u0634\u0643\u0644 \u0631\u0626\u064a\u0633\u064a \u0639\u0644\u0649 \u0627\u0644\u0634\u0627\u062d\u0646\u0627\u062a \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629 \u0648\u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0645\u062b\u0644 \u0637\u0631\u0627\u0632\u0627\u062a International \u0648Freightliner \u0648\u0627\u0644\u0645\u0632\u0648\u062f\u0629 \u0628\u0645\u062d\u0631\u0643\u0627\u062a Cummins.<\/p>\n<h3 id=\"what-are-the-symptoms-of-an-active-spn-2791-fault-\">\u0645\u0627 \u0647\u064a \u0623\u0639\u0631\u0627\u0636 \u0643\u0648\u062f \u0627\u0644\u0639\u0637\u0644 SPN 2791 \u0627\u0644\u0646\u0634\u0637\u061f<\/h3>\n<p>\u0642\u062f \u062a\u0634\u0645\u0644 \u0627\u0644\u0623\u0639\u0631\u0627\u0636:<\/p>\n<ul>\n<li>\u0625\u0636\u0627\u0621\u0629 \u0636\u0648\u0621 &#8220;\u0641\u062d\u0635 \u0627\u0644\u0645\u062d\u0631\u0643&#8221; \u0628\u0627\u0644\u0644\u0648\u0646 \u0627\u0644\u0643\u0647\u0631\u0645\u0627\u0646\u064a<\/li>\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u0642\u0648\u0629 \u0627\u0644\u0645\u062d\u0631\u0643<\/li>\n<li>\u0623\u062f\u0627\u0621 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631 \u0623\u0648 \u0627\u062e\u062a\u0646\u0627\u0642\u0627\u062a<\/li>\n<li>\u062a\u0639\u0637\u064a\u0644 \u062a\u0634\u063a\u064a\u0644 \u0635\u0645\u0627\u0645 EGR<\/li>\n<\/ul>\n<h3 id=\"can-i-continue-driving-with-spn-2791-\">\u0647\u0644 \u064a\u0645\u0643\u0646\u0646\u064a \u0627\u0644\u0627\u0633\u062a\u0645\u0631\u0627\u0631 \u0641\u064a \u0627\u0644\u0642\u064a\u0627\u062f\u0629 \u0645\u0639 \u0643\u0648\u062f SPN 2791\u061f<\/h3>\n<p>\u064a\u0639\u062a\u0645\u062f \u0630\u0644\u0643 \u0639\u0644\u0649 \u0634\u062f\u0629 \u0627\u0644\u0639\u0637\u0644. \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0643\u0648\u062f \u0645\u0635\u062d\u0648\u0628\u064b\u0627 \u0628\u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0627\u0644\u0623\u062f\u0627\u0621\u060c \u064a\u0641\u0636\u0644 \u0627\u0644\u062a\u0648\u0642\u0641 \u0639\u0646 \u0627\u0644\u0642\u064a\u0627\u062f\u0629 \u0648\u0641\u062d\u0635 \u0627\u0644\u0645\u0631\u0643\u0628\u0629. \u062e\u0644\u0627\u0641 \u0630\u0644\u0643\u060c \u064a\u0645\u0643\u0646\u0643 \u0627\u0644\u0642\u064a\u0627\u062f\u0629 \u0644\u0641\u062a\u0631\u0629 \u0642\u0635\u064a\u0631\u0629\u060c \u0648\u0644\u0643\u0646 \u064a\u064f\u0646\u0635\u062d \u0628\u062d\u0644 \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0628\u0633\u0631\u0639\u0629 \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u0623\u0636\u0631\u0627\u0631.<\/p>\n<h3 id=\"what-causes-spn-2791-fmi-7-\">\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u0633\u0628\u0628 \u0643\u0648\u062f SPN 2791 FMI 7\u061f<\/h3>\n<p>\u0627\u0644\u0633\u0628\u0628 \u0647\u0648 \u062e\u0644\u0644 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0641\u064a \u0635\u0645\u0627\u0645 EGR\u060c \u0645\u062b\u0644:<\/p>\n<ul>\n<li>\u0635\u0645\u0627\u0645 \u0639\u0627\u0644\u0642 \u0623\u0648 \u0628\u0647 \u0627\u0644\u062a\u0635\u0627\u0642 \u0628\u0633\u0628\u0628 \u062a\u0631\u0627\u0643\u0645 \u0627\u0644\u0643\u0631\u0628\u0648\u0646<\/li>\n<li>\u0645\u062d\u0631\u0643 \u0645\u0634\u063a\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0645\u0639\u0637\u0648\u0628 \u0623\u0648 \u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0627\u0644\u0623\u0633\u0644\u0627\u0643<\/li>\n<li>\u0632\u0646\u0628\u0631\u0643 \u0627\u0644\u0635\u0645\u0627\u0645 \u0645\u0643\u0633\u0648\u0631 \u0623\u0648 \u062a\u0627\u0644\u0641 \u0641\u064a \u0645\u0642\u0639\u062f \u0627\u0644\u0635\u0645\u0627\u0645<\/li>\n<\/ul>\n<h3 id=\"what-causes-spn-2791-fmi-13-\">\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u0633\u0628\u0628 \u0643\u0648\u062f SPN 2791 FMI 13\u061f<\/h3>\n<p>\u064a\u062a\u0645 \u0627\u0643\u062a\u0634\u0627\u0641 \u0635\u0645\u0627\u0645 EGR \u0645\u0641\u062a\u0648\u062d\u064b\u0627 \u0628\u0646\u0633\u0628\u0629 \u062a\u0632\u064a\u062f \u0639\u0646 20% \u0623\u062b\u0646\u0627\u0621 \u0645\u0639\u0627\u064a\u0631\u062a\u0647 \u0627\u0644\u062a\u0644\u0642\u0627\u0626\u064a\u0629 \u0639\u0646\u062f \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0641\u062a\u0627\u062d\u060c \u0648\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u062d\u062f\u062b \u0647\u0630\u0627 \u0628\u0633\u0628\u0628:<\/p>\n<ul>\n<li>\u062a\u0631\u0627\u0643\u0645 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0645\u0645\u0627 \u064a\u0645\u0646\u0639 \u0627\u0644\u0635\u0645\u0627\u0645 \u0645\u0646 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0643\u0627\u0645\u0644<\/li>\n<li>\u0645\u0633\u062a\u0634\u0639\u0631 \u0645\u0648\u0636\u0639 \u0627\u0644\u0635\u0645\u0627\u0645 \u0645\u0639\u0637\u0648\u0628 \u0623\u0648 \u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0627\u0644\u0623\u0633\u0644\u0627\u0643<\/li>\n<li>\u0628\u0631\u0645\u062c\u0629 \u0648\u062d\u062f\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u062d\u0631\u0643 (ECM) \u063a\u064a\u0631 \u0635\u062d\u064a\u062d\u0629<\/li>\n<\/ul>\n<h3 id=\"how-do-you-diagnose-spn-2791-\">\u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0643 \u062a\u0634\u062e\u064a\u0635 \u0643\u0648\u062f SPN 2791\u061f<\/h3>\n<ol>\n<li>\u0627\u0644\u0628\u062d\u062b \u0639\u0646 \u0623\u0643\u0648\u0627\u062f \u0625\u0636\u0627\u0641\u064a\u0629\u060c \u062e\u0627\u0635\u0629\u064b \u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u062c\u0647\u062f SPN 168.<\/li>\n<li>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0642\u064a\u0645\u0629 &#8220;Reserved for Extreme Parameter&#8221; \u0641\u064a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0648\u0633\u0639\u0629 \u0644\u0643\u0648\u062f SPN 2791 FMI 7.<\/li>\n<li>\u0641\u062d\u0635 \u062d\u0631\u0643\u0629 \u0630\u0631\u0627\u0639 \u0645\u0634\u063a\u0644 \u0635\u0645\u0627\u0645 EGR \u0648\u0645\u0622\u062e\u0630 \u0627\u0644\u0643\u0631\u0627\u062a \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u062d\u0631\u0643\u062a\u0647\u0627 \u0628\u062d\u0631\u064a\u0629.<\/li>\n<li>\u0642\u064a\u0627\u0633 \u0645\u0642\u0627\u0648\u0645\u0629 \u0645\u0644\u0641 \u0645\u062d\u0631\u0643 \u0645\u0634\u063a\u0644 \u0635\u0645\u0627\u0645 EGR (\u064a\u062c\u0628 \u0623\u0646 \u062a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 55-65 \u0623\u0648\u0645).<\/li>\n<li>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0648\u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0628\u064a\u0646 \u0635\u0645\u0627\u0645 EGR \u0648\u0648\u062d\u062f\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u062d\u0631\u0643 (ECM).<\/li>\n<\/ol>\n<h3 id=\"can-spn-2791-be-caused-by-issues-other-than-the-egr-valve-\">\u0647\u0644 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0633\u0628\u0628 \u0643\u0648\u062f SPN 2791 \u0645\u0634\u0643\u0644\u0627\u062a \u0623\u062e\u0631\u0649 \u063a\u064a\u0631 \u0635\u0645\u0627\u0645 EGR\u061f<\/h3>\n<p>\u0646\u0639\u0645\u060c \u0642\u062f \u064a\u062d\u062f\u062b \u0627\u0644\u0643\u0648\u062f \u0646\u062a\u064a\u062c\u0629:<\/p>\n<ul>\n<li>\u0627\u0646\u0633\u062f\u0627\u062f \u0641\u064a \u0645\u0645\u0631\u0627\u062a EGR \u0623\u0648 \u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0631\u0628\u0637<\/li>\n<li>\u0645\u0633\u062a\u0634\u0639\u0631 \u0636\u063a\u0637 \u062f\u0644\u062a\u0627-P \u0645\u0639\u0637\u0644<\/li>\n<li>\u0628\u0631\u0645\u062c\u0629 \u062e\u0627\u0637\u0626\u0629 \u0644\u0644\u0645\u062d\u0631\u0643 \u0623\u0648 \u0645\u0639\u0627\u064a\u0631\u0629 \u063a\u064a\u0631 \u0635\u062d\u064a\u062d\u0629<\/li>\n<li>\u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0645\u0633\u062a\u0634\u0639\u0631\u0627\u062a \u0623\u062e\u0631\u0649 \u062a\u0624\u062f\u064a \u0625\u0644\u0649 \u0637\u0644\u0628 \u0632\u0627\u0626\u062f \u0639\u0644\u0649 EGR<\/li>\n<\/ul>\n<h3 id=\"how-do-you-fix-spn-2791-fmi-7-\">\u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0643 \u0625\u0635\u0644\u0627\u062d \u0643\u0648\u062f SPN 2791 FMI 7\u061f<\/h3>\n<ul>\n<li>\u062a\u0646\u0638\u064a\u0641 \u0635\u0645\u0627\u0645 EGR \u0648\u0627\u0644\u0645\u0645\u0631\u0627\u062a \u0644\u0625\u0632\u0627\u0644\u0629 \u062a\u0631\u0627\u0643\u0645 \u0627\u0644\u0643\u0631\u0628\u0648\u0646.<\/li>\n<li>\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0635\u0645\u0627\u0645 EGR \u0648\/\u0623\u0648 \u0645\u062d\u0631\u0643 \u0627\u0644\u0645\u0634\u063a\u0644 \u0625\u0630\u0627 \u0644\u0645 \u064a\u064f\u0635\u0644\u062d \u0627\u0644\u062a\u0646\u0638\u064a\u0641 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u0637\u0644\u0648\u0628.<\/li>\n<li>\u0625\u0635\u0644\u0627\u062d \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0623\u0648 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0645\u062a\u0636\u0631\u0631\u0629.<\/li>\n<\/ul>\n<h3 id=\"how-do-you-fix-spn-2791-fmi-13-\">\u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0643 \u0625\u0635\u0644\u0627\u062d \u0643\u0648\u062f SPN 2791 FMI 13\u061f<\/h3>\n<ul>\n<li>\u0625\u0632\u0627\u0644\u0629 \u0648\u062a\u0646\u0638\u064a\u0641 \u0635\u0645\u0627\u0645 EGR \u0628\u0639\u0645\u0642 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0646\u0638\u0641 \u0627\u0644\u0643\u0631\u0628\u0631\u0627\u062a\u064a\u0631. \u0642\u0645 \u0628\u062a\u0632\u064a\u064a\u062a \u0627\u0644\u0635\u0645\u0627\u0645 \u0625\u0630\u0627 \u0644\u0632\u0645 \u0627\u0644\u0623\u0645\u0631 \u0644\u0636\u0645\u0627\u0646 \u062d\u0631\u0643\u062a\u0647.<\/li>\n<li>\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0625\u0630\u0627 \u0644\u0645 \u064a\u062d\u0644 \u0627\u0644\u062a\u0646\u0638\u064a\u0641 \u0627\u0644\u0645\u0634\u0643\u0644\u0629.<\/li>\n<li>\u062a\u062d\u062f\u064a\u062b \u0648\u062d\u062f\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u062d\u0631\u0643 (ECM) \u0628\u0627\u0644\u0628\u0631\u0645\u062c\u0629 \u0627\u0644\u0635\u062d\u064a\u062d\u0629.<\/li>\n<li>\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0645\u0633\u062a\u0634\u0639\u0631 \u062f\u0644\u062a\u0627-P \u0641\u064a \u062d\u0627\u0644 \u0643\u0627\u0646 \u062a\u0627\u0644\u0641\u064b\u0627.<\/li>\n<\/ul>\n<h3 id=\"can-i-just-clean-the-egr-valve-to-fix-spn-2791-\">\u0647\u0644 \u064a\u0645\u0643\u0646\u0646\u064a \u062a\u0646\u0638\u064a\u0641 \u0635\u0645\u0627\u0645 EGR \u0641\u0642\u0637 \u0644\u062d\u0644 \u0643\u0648\u062f SPN 2791\u061f<\/h3>\n<p>\u064a\u0639\u062f \u062a\u0646\u0638\u064a\u0641 \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0627\u0644\u0645\u0645\u0631\u0627\u062a \u0627\u0644\u062e\u0637\u0648\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u0648\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u062d\u0644 \u0627\u0644\u0645\u0634\u0643\u0644\u0629. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u062a\u0627\u0644\u0641\u064b\u0627 \u0645\u0627\u062f\u064a\u064b\u0627 \u0623\u0648 \u0643\u0627\u0646 \u0645\u062d\u0631\u0643 \u0627\u0644\u0645\u0634\u063a\u0644 \u0645\u0639\u0637\u0648\u0628\u064b\u0627\u060c \u0641\u0625\u0646 \u0627\u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0636\u0631\u0648\u0631\u064a.<\/p>\n<h3 id=\"how-much-does-it-cost-to-fix-spn-2791-\">\u0643\u0645 \u062a\u0643\u0644\u0641\u0629 \u0625\u0635\u0644\u0627\u062d \u0643\u0648\u062f SPN 2791\u061f<\/h3>\n<ul>\n<li>\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0635\u0645\u0627\u0645 EGR: 500-1000 \u062f\u0648\u0644\u0627\u0631<\/li>\n<li>\u062a\u0646\u0638\u064a\u0641 \u0646\u0638\u0627\u0645 EGR: 100-300 \u062f\u0648\u0644\u0627\u0631<\/li>\n<li>\u0627\u0644\u0639\u0645\u0644: 100-150 \u062f\u0648\u0644\u0627\u0631 \u0641\u064a \u0627\u0644\u0633\u0627\u0639\u0629<\/li>\n<\/ul>\n<h3 id=\"how-can-i-prevent-spn-2791-\">\u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0646\u064a \u062a\u062c\u0646\u0628 \u0643\u0648\u062f SPN 2791\u061f<\/h3>\n<ul>\n<li>\u0625\u062c\u0631\u0627\u0621 \u0635\u064a\u0627\u0646\u0629 \u062f\u0648\u0631\u064a\u0629 \u0644\u0646\u0638\u0627\u0645 EGR.<\/li>\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0648\u0642\u0648\u062f \u0648\u0632\u064a\u062a \u0639\u0627\u0644\u064a \u0627\u0644\u062c\u0648\u062f\u0629 \u0644\u0644\u062d\u062f \u0645\u0646 \u062a\u0631\u0627\u0643\u0645 \u0627\u0644\u0643\u0631\u0628\u0648\u0646.<\/li>\n<li>\u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u0639\u062f\u064a\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u0642\u062f \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u062a\u0634\u063a\u064a\u0644 EGR.<\/li>\n<li>\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0623\u062e\u0631\u0649 \u0641\u064a \u0627\u0644\u0645\u062d\u0631\u0643 \u0639\u0644\u0649 \u0627\u0644\u0641\u0648\u0631.<\/li>\n<\/ul>\n<h3 id=\"what-other-components-should-i-check-with-spn-2791-\">\u0645\u0627 \u0647\u064a \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0623\u062e\u0631\u0649 \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0641\u062d\u0635\u0647\u0627 \u0645\u0639 \u0643\u0648\u062f SPN 2791\u061f<\/h3>\n<p>\u0641\u062d\u0635 \u0645\u0633\u062a\u0634\u0639\u0631 \u062f\u0644\u062a\u0627-P\u060c \u0648\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0631\u0628\u0637\u060c \u0648\u0627\u0644\u062e\u0631\u0627\u0637\u064a\u0645\u060c \u0648\u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u0623\u0636\u0631\u0627\u0631 \u0623\u0648 \u0627\u0646\u0633\u062f\u0627\u062f\u0627\u062a. \u062a\u0623\u0643\u062f \u0645\u0646 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u0633\u062e\u0627\u0645 \u0632\u0627\u0626\u062f\u060c \u0623\u0648 \u0648\u0642\u0648\u062f\u060c \u0623\u0648 \u0633\u0627\u0626\u0644 \u062a\u0628\u0631\u064a\u062f\u060c \u0623\u0648 \u0632\u064a\u062a \u0641\u064a \u0645\u062f\u062e\u0644 \u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u0639\u0627\u062f\u0645 \u0642\u062f \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062a\u0644\u0648\u062b \u0646\u0638\u0627\u0645 EGR.<\/p>\n<h3 id=\"can-spn-2791-cause-damage-if-left-unrepaired-\">\u0647\u0644 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062a\u0633\u0628\u0628 \u0643\u0648\u062f SPN 2791 \u0641\u064a \u0623\u0636\u0631\u0627\u0631 \u0625\u0630\u0627 \u0644\u0645 \u064a\u062a\u0645 \u0625\u0635\u0644\u0627\u062d\u0647\u061f<\/h3>\n<p>\u0646\u0639\u0645\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0635\u0645\u0627\u0645 EGR \u0627\u0644\u0639\u0627\u0644\u0642 \u0641\u064a \u0648\u0636\u0639 \u0627\u0644\u0641\u062a\u062d \u0625\u0644\u0649:<\/p>\n<ul>\n<li>\u0623\u062f\u0627\u0621 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631 \u0648\u0627\u0647\u062a\u0632\u0627\u0632\u0627\u062a<\/li>\n<li>\u0625\u0646\u062a\u0627\u062c \u0633\u062e\u0627\u0645 \u0648\u062f\u062e\u0627\u0646 \u0645\u0641\u0631\u0637<\/li>\n<li>\u0627\u0646\u0633\u062f\u0627\u062f \u0645\u0634\u0639\u0628 \u0627\u0644\u0633\u062d\u0628 \u0648\u0627\u0644\u0645\u0633\u062a\u0634\u0639\u0631\u0627\u062a<\/li>\n<li>\u0641\u0634\u0644 \u0627\u0644\u0634\u0627\u062d\u0646 \u0627\u0644\u062a\u0648\u0631\u0628\u064a\u0646\u064a<\/li>\n<li>\u062a\u0644\u0641 \u0643\u0628\u064a\u0631 \u0641\u064a \u0627\u0644\u0645\u062d\u0631\u0643 \u0625\u0630\u0627 \u062f\u062e\u0644\u062a \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0643\u0631\u0628\u0648\u0646\u0627\u062a \u0625\u0644\u0649 \u0627\u0644\u0623\u0633\u0637\u0648\u0627\u0646\u0629<\/li>\n<\/ul>\n<h3 id=\"is-spn-2791-related-to-any-other-fault-codes-\">\u0647\u0644 \u0643\u0648\u062f SPN 2791 \u0645\u0631\u062a\u0628\u0637 \u0628\u0623\u064a \u0623\u0643\u0648\u0627\u062f \u0623\u0639\u0637\u0627\u0644 \u0623\u062e\u0631\u0649\u061f<\/h3>\n<p>\u0642\u062f \u064a\u0638\u0647\u0631 \u0647\u0630\u0627 \u0627\u0644\u0643\u0648\u062f \u0625\u0644\u0649 \u062c\u0627\u0646\u0628 \u0623\u0643\u0648\u0627\u062f \u0623\u062e\u0631\u0649 \u0645\u062b\u0644:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ziptuning.com\/ar\/blog\/spn-2659-egr-mass-flow-rate\/\" title=\"SPN 2659: \u0645\u0633\u062a\u0634\u0639\u0631 \u0645\u0648\u0636\u0639 \u0635\u0645\u0627\u0645 EGR\">SPN 2659: \u0645\u0633\u062a\u0634\u0639\u0631 \u0645\u0648\u0636\u0639 \u0635\u0645\u0627\u0645 EGR<\/a><\/li>\n<li>SPN 168 FMI (\u0623\u064a): \u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u062c\u0647\u062f<\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/ar\/blog\/spn-4334-aftertreatment-1-diesel-exhaust-fluid-pump-motor-speed\/\" title=\"SPN 4334: \u0645\u0633\u062a\u0634\u0639\u0631 \u062f\u0644\u062a\u0627-P\">SPN 4334: \u0645\u0633\u062a\u0634\u0639\u0631 \u062f\u0644\u062a\u0627-P<\/a><\/li>\n<\/ul>\n<h3 id=\"what-are-the-dimensions-of-a-typical-egr-valve-\">\u0645\u0627 \u0647\u064a \u0623\u0628\u0639\u0627\u062f \u0635\u0645\u0627\u0645 EGR \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u061f<\/h3>\n<ul>\n<li>\u0642\u0637\u0631 \u0627\u0644\u0635\u0645\u0627\u0645: 50 \u0645\u0644\u0645 (2 \u0628\u0648\u0635\u0629)<\/li>\n<li>\u0642\u0637\u0631 \u0627\u0644\u0645\u0645\u0631: 25 \u0645\u0644\u0645 (1 \u0628\u0648\u0635\u0629)<\/li>\n<\/ul>\n<h3 id=\"how-does-the-egr-valve-work-\">\u0643\u064a\u0641 \u064a\u0639\u0645\u0644 \u0635\u0645\u0627\u0645 EGR\u061f<\/h3>\n<p>\u064a\u0639\u0645\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0633\u0637\u0629 \u0645\u062d\u0631\u0643 \u0645\u0634\u063a\u0644 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u060c \u062d\u064a\u062b \u064a\u0641\u062a\u062d \u0644\u0644\u0633\u0645\u0627\u062d \u0628\u0645\u0631\u0648\u0631 \u0643\u0645\u064a\u0629 \u0645\u062d\u0633\u0648\u0628\u0629 \u0645\u0646 \u063a\u0627\u0632 \u0627\u0644\u0639\u0627\u062f\u0645 \u0625\u0644\u0649 \u0645\u062f\u062e\u0644 \u0627\u0644\u0647\u0648\u0627\u0621. \u064a\u0624\u062f\u064a \u0630\u0644\u0643 \u0625\u0644\u0649 \u062a\u0642\u0644\u064a\u0644 \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0627\u062d\u062a\u0631\u0627\u0642 \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0646\u0628\u0639\u0627\u062b\u0627\u062a \u0623\u0643\u0627\u0633\u064a\u062f \u0627\u0644\u0646\u064a\u062a\u0631\u0648\u062c\u064a\u0646 (NOx). \u064a\u064f\u063a\u0644\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0632\u0646\u0628\u0631\u0643 \u0639\u0646\u062f \u0639\u062f\u0645 \u062a\u0646\u0634\u064a\u0637\u0647.<\/p>\n<h3 id=\"what-special-tools-are-needed-to-diagnose-spn-2791-\">\u0645\u0627 \u0647\u064a \u0627\u0644\u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629 \u0627\u0644\u0644\u0627\u0632\u0645\u0629 \u0644\u062a\u0634\u062e\u064a\u0635 \u0643\u0648\u062f SPN 2791\u061f<\/h3>\n<p>\u064a\u0648\u0635\u0649 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u062f\u0627\u0629 \u062a\u0634\u062e\u064a\u0635 \u0627\u062d\u062a\u0631\u0627\u0641\u064a\u0629 \u0623\u0648 \u0628\u0631\u0646\u0627\u0645\u062c \u062a\u0634\u062e\u064a\u0635\u064a \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0648\u0643\u0627\u0644\u0629 \u0644\u0642\u0631\u0627\u0621\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0645\u0648\u0633\u0639\u0629\u060c \u0639\u0631\u0636 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u062d\u064a\u0629 \u0644\u0644\u0645\u0633\u062a\u0634\u0639\u0631\u0627\u062a\u060c \u0648\u0623\u0648\u0627\u0645\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 \u0635\u0645\u0627\u0645 EGR. \u0643\u0645\u0627 \u064a\u062d\u062a\u0627\u062c \u0641\u062d\u0635 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0625\u0644\u0649 \u0645\u0642\u064a\u0627\u0633 \u062c\u0647\u062f \u0631\u0642\u0645\u064a.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u064a\u0634\u064a\u0631 \u0643\u0648\u062f \u0627\u0644\u0639\u0637\u0644 SPN 2791 \u0625\u0644\u0649 \u0648\u062c\u0648\u062f \u0645\u0634\u0643\u0644\u0629 \u0641\u064a \u0646\u0638\u0627\u0645 \u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0648\u064a\u0631 \u063a\u0627\u0632 \u0627\u0644\u0639\u0627\u062f\u0645 (EGR)\u060c \u0627\u0644\u0630\u064a \u064a\u0648\u062c\u062f \u0639\u0627\u062f\u0629\u064b \u0641\u064a \u0627\u0644\u0634\u0627\u062d\u0646\u0627\u062a \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629 \u0648\u0627\u0644\u062b\u0642\u064a\u0644\u0629 \u0645\u062b\u0644 \u0637\u0631\u0627\u0632\u0627\u062a International \u0648Freightliner. \u0641\u064a \u0648\u0631\u0634\u062a\u0646\u0627\u060c \u0648\u0627\u062c\u0647\u0646\u0627 \u0643\u0648\u062f \u0627\u0644\u0639\u0637\u0644 SPN 2791 \u0628\u0634\u0643\u0644 \u0645\u062a\u0643\u0631\u0631 \u0639\u0628\u0631 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0637\u0631\u0627\u0632\u0627\u062a. \u0641\u0642\u0637 \u0627\u0644\u0623\u0633\u0628\u0648\u0639 \u0627\u0644\u0645\u0627\u0636\u064a\u060c \u062c\u0627\u0621\u062a\u0646\u0627 \u0633\u064a\u0627\u0631\u0629 \u0641\u0648\u0644\u0641\u0648 XC90 \u0645\u0648\u062f\u064a\u0644 2018 \u0645\u0639 \u0646\u0642\u0635 \u0641\u064a \u0627\u0644\u0642\u0648\u0629 \u0648\u0623\u062f\u0627\u0621 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631.<\/p>\n","protected":false},"author":13,"featured_media":287022,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-287020","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ziptuning.com\/ar\/wp-json\/wp\/v2\/posts\/287020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ziptuning.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ziptuning.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/ar\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/ar\/wp-json\/wp\/v2\/comments?post=287020"}],"version-history":[{"count":4,"href":"https:\/\/www.ziptuning.com\/ar\/wp-json\/wp\/v2\/posts\/287020\/revisions"}],"predecessor-version":[{"id":287187,"href":"https:\/\/www.ziptuning.com\/ar\/wp-json\/wp\/v2\/posts\/287020\/revisions\/287187"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/ar\/wp-json\/wp\/v2\/media\/287022"}],"wp:attachment":[{"href":"https:\/\/www.ziptuning.com\/ar\/wp-json\/wp\/v2\/media?parent=287020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ziptuning.com\/ar\/wp-json\/wp\/v2\/categories?post=287020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ziptuning.com\/ar\/wp-json\/wp\/v2\/tags?post=287020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}