{"id":288122,"date":"2024-10-25T10:21:01","date_gmt":"2024-10-25T10:21:01","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=288122"},"modified":"2024-10-25T10:21:01","modified_gmt":"2024-10-25T10:21:01","slug":"spn-3714-diesel-particulate-filter-active-regeneration-inhibited-due-to-pto-active","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/spn-3714-diesel-particulate-filter-active-regeneration-inhibited-due-to-pto-active\/","title":{"rendered":"SPN 3714\uff1a\u7531\u4e8e\u53d6\u529b\u5668\uff08PTO\uff09\u6fc0\u6d3b\uff0c\u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668\u4e3b\u52a8\u518d\u751f\u88ab\u6291\u5236"},"content":{"rendered":"<p>SPN 3714\uff1a\u7531\u4e8e\u53d6\u529b\u5668\uff08PTO\uff09\u6fc0\u6d3b\uff0c\u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668\u4e3b\u52a8\u518d\u751f\u88ab\u6291\u5236<\/p>\n<p id=\"fault-code-spn-3714-what-it-means-and-how-to-fix-it\">\u6545\u969c\u4ee3\u7801 SPN 3714\uff1a\u542b\u4e49\u53ca\u4fee\u590d\u65b9\u6cd5<\/p>\n<h2 id=\"urgency-and-severity\">\u7d27\u6025\u6027\u548c\u4e25\u91cd\u6027<\/h2>\n<p>\u5982\u679c\u60a8\u7684\u8f66\u8f86\u663e\u793a\u6545\u969c\u4ee3\u7801 SPN 3714\uff0c\u8fd9\u8868\u660e\u5b58\u5728\u201c\u53d1\u52a8\u673a\u4fdd\u62a4\u626d\u77e9\u964d\u7ea7\u201d\u60c5\u51b5\u3002\u8fd9\u610f\u5473\u7740\u53d1\u52a8\u673a\u6027\u80fd\u5df2\u88ab\u9650\u5236\uff0c\u8f66\u8f86\u901f\u5ea6\u53ef\u80fd\u4e5f\u53d7\u9650\u3002\u5c3d\u7ba1\u77ed\u65f6\u95f4\u5185\u53ef\u4ee5\u5b89\u5168\u9a7e\u9a76\uff0c\u4f46\u6700\u597d\u5c3d\u5feb\u8bca\u65ad\u548c\u5904\u7406\u6f5c\u5728\u95ee\u9898\uff0c\u4ee5\u907f\u514d\u8fdb\u4e00\u6b65\u7684\u964d\u7ea7\u6216\u635f\u574f\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u5728\u6b27\u6d32\u91cd\u578b\u5361\u8f66\u4e0a\u770b\u5230 SPN 3714 \u6545\u969c\u4ee3\u7801\uff0c\u7279\u522b\u662f\u5728\u914d\u5907\u5eb7\u660e\u65af\u53d1\u52a8\u673a\u7684\u6c83\u5c14\u6c83\uff08Volvo\uff09\u548c\u65af\u582a\u5c3c\u4e9a\uff08Scania\uff09\u578b\u53f7\u4e0a\u3002\u867d\u7136\u6b64\u4ee3\u7801\u5e76\u4e0d\u9650\u4e8e\u8fd9\u4e9b\u54c1\u724c\uff0c\u4f46\u4e0e\u7f8e\u56fd\u6216\u4e9a\u6d32\u54c1\u724c\u76f8\u6bd4\uff0c\u6211\u4eec\u5728\u6b27\u6d32\u5361\u8f66\u4e2d\u770b\u5230\u7684\u9891\u7387\u66f4\u9ad8\u3002\u8be5\u4ee3\u7801\u901a\u5e38\u4e0e DEF \u7cfb\u7edf\u95ee\u9898\u6709\u5173\uff0c\u4f8b\u5982\u4f20\u611f\u5668\u6216\u55b7\u5c04\u5355\u5143\u6545\u969c\u3002\u5728\u4e00\u4e2a\u6848\u4f8b\u4e2d\uff0c\u4e00\u8f86 2019 \u5e74\u6b3e\u914d\u5907\u5eb7\u660e\u65af X15 \u53d1\u52a8\u673a\u7684\u6c83\u5c14\u6c83 FH \u51fa\u73b0 SPN 3714 \u6d3b\u52a8\u72b6\u6001\u3002\u6211\u4eec\u53d1\u73b0 DEF \u55b7\u5c04\u5668\u5835\u585e\uff0cSCR \u6e29\u5ea6\u4f20\u611f\u5668\u7684\u7ebf\u8def\u53d7\u635f\u3002\u4fee\u590d\u8fd9\u4e9b\u95ee\u9898\u5e76\u66f4\u65b0 ECM \u6821\u51c6\u540e\uff0c\u95ee\u9898\u5f97\u4ee5\u89e3\u51b3\u3002\u8fd9\u4e2a\u7ecf\u9a8c\u4f7f\u6211\u4eec\u5728\u6b27\u6d32\u5361\u8f66\u4e0a\u5c24\u5176\u6ce8\u610f DEF \u7cfb\u7edf\u7684\u7ef4\u62a4\uff0c\u4ee5\u9884\u9632 SPN 3714 \u7684\u53d1\u751f\u3002<\/p>\n<\/div>\n<h2 id=\"understanding-spn-3714\">\u4e86\u89e3 SPN 3714<\/h2>\n<p>SPN 3714 \u662f\u5eb7\u660e\u65af\u53d1\u52a8\u673a\u4f7f\u7528\u7684\u5236\u9020\u5546\u4e13\u7528\u6545\u969c\u4ee3\u7801\u3002\u5173\u952e\u70b9\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8fd9\u662f\u4e00\u4e2a\u4fe1\u606f\u4ee3\u7801\uff0c\u5f53 ECM \u68c0\u6d4b\u5230\u5176\u4ed6\u5173\u952e\u6027\u53d1\u52a8\u673a\u6545\u969c\u4ee3\u7801\u65f6\u4f1a\u51fa\u73b0<\/li>\n<li>\u4e0e\u540e\u5904\u7406\u548c\u6392\u6c14\u7cfb\u7edf\u6709\u5173\uff0c\u6d89\u53ca DEF \u7cfb\u7edf\u3001NOx \u4f20\u611f\u5668\u548c SCR \u50ac\u5316\u5668\u7b49\u90e8\u4ef6<\/li>\n<li>\u7531\u7ebf\u8def\u3001\u55b7\u5c04\u5355\u5143\u3001\u55b7\u5c04\u9600\u3001\u538b\u529b\u3001\u6e29\u5ea6\u7b49\u95ee\u9898\u89e6\u53d1<\/li>\n<\/ul>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>SPN 3714 \u7684\u5e38\u89c1\u89e6\u53d1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>DEF \u6db2\u4f4d\u3001\u538b\u529b\u3001\u6e29\u5ea6\u548c\u8d28\u91cf\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>DEF \u55b7\u5c04\u5355\u5143\u548c\u9600\u95e8\u95ee\u9898\uff08\u5982\u5835\u585e\u3001\u6cc4\u6f0f\u3001\u7ebf\u8def\u6545\u969c\uff09<\/li>\n<li>SCR \u6548\u7387\u95ee\u9898\uff0c\u7531\u4e8e\u6c61\u67d3\u3001\u635f\u574f\u6216\u8001\u5316<\/li>\n<li>\u7ebf\u8def\u95ee\u9898\uff0c\u5982\u7ebf\u675f\u548c\u8fde\u63a5\u5668\u7684\u5f00\u8def\u6216\u77ed\u8def<\/li>\n<li>\u9700\u8981 ECM \u91cd\u65b0\u6821\u51c6\u7684\u8f6f\u4ef6\u9519\u8bef<\/li>\n<\/ul>\n<h2 id=\"diagnosis-and-troubleshooting\">\u8bca\u65ad\u548c\u6545\u969c\u6392\u9664<\/h2>\n<p>\u8bca\u65ad SPN 3714 \u7684\u6839\u672c\u539f\u56e0\uff1a<\/p>\n<ol>\n<li>\u626b\u63cf\u6240\u6709\u6d3b\u52a8\u7684\u6545\u969c\u4ee3\u7801\uff0c\u5e76\u8bb0\u5f55\u4efb\u4f55\u4e0e\u540e\u5904\u7406\u7cfb\u7edf\u76f8\u5173\u7684\u4ee3\u7801<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5 DEF \u50a8\u6db2\u7bb1\u3001\u7ba1\u7ebf\u3001\u7ebf\u8def\u548c\u8fde\u63a5\u5668\u662f\u5426\u6709\u635f\u574f\u6216\u6c61\u67d3<\/li>\n<li>\u68c0\u67e5 DEF \u6db2\u4f4d\u3001\u538b\u529b\uff08\u5e94\u4e3a 45-65 psi\uff09\u548c\u6e29\u5ea6<\/li>\n<li>\u6d4b\u8bd5\u55b7\u5c04\u5355\u5143\u548c\u9600\u95e8\u7535\u8def\u7684\u8fde\u7eed\u6027\u548c\u7535\u963b\uff08\u6b63\u5e38\u65f6\u5c0f\u4e8e 5\u03a9\uff09<\/li>\n<li>\u6267\u884c\u6d3b\u8dc3\u7684 DEF \u55b7\u5c04\u6d4b\u8bd5\uff0c\u5e76\u76d1\u6d4b\u6d41\u91cf\u548c\u538b\u529b<\/li>\n<li>\u5206\u6790 SCR \u5165\u53e3\/\u51fa\u53e3 NOx \u548c\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u5b9e\u65f6\u6570\u636e<\/li>\n<\/ol>\n<h2 id=\"repair-solutions\">\u7ef4\u4fee\u89e3\u51b3\u65b9\u6848<\/h2>\n<p>\u9488\u5bf9 SPN 3714 \u5e38\u89c1\u539f\u56e0\u7684\u4fee\u590d\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li>\u66f4\u6362\u6545\u969c\u7684 DEF \u6db2\u4f4d\u3001\u538b\u529b\u3001\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u6e05\u6d01\u6216\u66f4\u6362\u5835\u585e\/\u6cc4\u6f0f\u7684 DEF \u55b7\u5c04\u5355\u5143\u548c\u9600\u95e8\uff08\u626d\u77e9\u4e3a 20-24 Nm\uff09<\/li>\n<li>\u4f7f\u7528 Cummins Insite \u7b49\u8bca\u65ad\u5de5\u5177\u66f4\u65b0 ECM \u8f6f\u4ef6\u6821\u51c6<\/li>\n<li>\u4fee\u590d\u635f\u574f\u7684\u7ebf\u8def\u3001\u8fde\u63a5\u5668\u548c\u7ebf\u675f\uff08\u710a\u63a5\u5e76\u5bc6\u5c01\u6216\u66f4\u6362\uff09<\/li>\n<li>\u4f5c\u4e3a\u6700\u540e\u624b\u6bb5\uff0c\u66f4\u6362 SCR \u50ac\u5316\u5668\u603b\u6210<\/li>\n<\/ul>\n<h2 id=\"prevention-and-maintenance\">\u9884\u9632\u548c\u7ef4\u62a4<\/h2>\n<p>\u9884\u9632 SPN 3714 \u590d\u53d1\u7684\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li>\u4fdd\u6301 DEF \u6db2\u4f4d\uff0c\u5e76\u4ec5\u4f7f\u7528 API \u8ba4\u8bc1\u7684\u67f4\u6cb9\u6392\u6c14\u6db2<\/li>\n<li>\u6545\u969c\u4ee3\u7801\u51fa\u73b0\u65f6\u53ca\u65f6\u5904\u7406\uff0c\u4ee5\u907f\u514d\u7ea7\u8054\u6545\u969c<\/li>\n<li>\u5b9a\u671f\u68c0\u67e5\u540e\u5904\u7406\u7cfb\u7edf\u7684\u7ebf\u8def\u548c\u8fde\u63a5\u5668<\/li>\n<li>\u9075\u5faa\u5eb7\u660e\u65af\u7684\u540e\u5904\u7406\u7cfb\u7edf\u5efa\u8bae\u7684\u7ef4\u62a4\u95f4\u9694<\/li>\n<\/ul>\n<h2 id=\"cost-of-repairthe-total-cost-to-repair-issues-causing-spn-3714-can-vary-widely-\">\u7ef4\u4fee\u6210\u672c<\/h2>\n<ul>\n<li>DEF \u4f20\u611f\u5668\uff1a\u6bcf\u4e2a 200-500 \u7f8e\u5143 \/ 180-450 \u6b27\u5143<\/li>\n<li>DEF \u55b7\u5c04\u5355\u5143\uff1a500-1200 \u7f8e\u5143 \/ 450-1100 \u6b27\u5143<\/li>\n<li>SCR \u50ac\u5316\u5668\uff1a2000-4000 \u7f8e\u5143 \/ 1800-3600 \u6b27\u5143<\/li>\n<li>\u4eba\u5de5\uff1a\u5178\u578b\u91cd\u578b\u5361\u8f66\u7ef4\u4fee\u8d39\u7387\u4e0b\u7684 2-8 \u5c0f\u65f6<\/li>\n<li>\u8bca\u65ad\u8d39\u7528\uff1a100-300 \u7f8e\u5143 \/ 90-270 \u6b27\u5143<\/li>\n<li>\u603b\u6210\u672c\u8303\u56f4\uff1a\u5355\u4e2a\u4f20\u611f\u5668\u66f4\u6362\u6700\u4f4e\u7ea6 300 \u7f8e\u5143\uff0c\u591a\u4e2a\u90e8\u4ef6\u66f4\u6362\u53ef\u80fd\u8d85\u8fc7 7000 \u7f8e\u5143 \/ 6300 \u6b27\u5143<\/li>\n<\/ul>\n<h2 id=\"related-concerns\">\u76f8\u5173\u95ee\u9898<\/h2>\n<p>\u4e0e SPN 3714 \u5e38\u89c1\u7684\u5176\u4ed6\u6545\u969c\u4ee3\u7801\uff1a<\/p>\n<ul>\n<li>SPN 3712 &#8211; \u540e\u5904\u7406 SCR \u64cd\u4f5c\u5458\u9650\u5236<\/li>\n<li>SPN 3582 &#8211; SCR \u6548\u7387\u4f4e\u4e8e\u9608\u503c<\/li>\n<li>SPN 4094 &#8211; \u7531\u4e8e DEF \u8d28\u91cf\u4e0d\u8db3\uff0cNOx \u8d85\u8fc7\u9650\u5236<\/li>\n<li>SPN 4334 &#8211; SCR \u6e29\u5ea6\u8fc7\u4f4e\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c<\/li>\n<\/ul>\n<p>\u8bca\u65ad SPN 3714 \u7684\u6709\u7528\u5de5\u5177\u5305\u62ec Cummins Insite \u8f6f\u4ef6\u3001TEXA \u5361\u8f66\u548c Cojali Construction\/Ag \u5957\u4ef6\u3002\u6b63\u786e\u7684\u8bca\u65ad\u548c\u7ef4\u4fee\u9700\u8981\u5bf9\u5eb7\u660e\u65af\u540e\u5904\u7406\u7cfb\u7edf\u6709\u6df1\u5165\u7684\u6280\u672f\u77e5\u8bc6\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-spn-3714\">SPN 3714 \u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h2>\n<h3 id=\"what-does-fault-code-spn-3714-mean-\">\u6545\u969c\u4ee3\u7801 SPN 3714 \u8868\u793a\u4ec0\u4e48\uff1f<\/h3>\n<p>SPN 3714 \u8868\u793a\u5eb7\u660e\u65af\u53d1\u52a8\u673a\u7684\u201c\u53d1\u52a8\u673a\u4fdd\u62a4\u626d\u77e9\u964d\u7ea7\u201d\u72b6\u6001\u3002\u8fd9\u610f\u5473\u7740\u53d1\u52a8\u673a\u6027\u80fd\u88ab\u964d\u4f4e\uff0c\u8f66\u8f86\u901f\u5ea6\u53ef\u80fd\u53d7\u9650\uff0c\u4ee5\u9632\u6b62\u6f5c\u5728\u6545\u969c\u5bf9\u53d1\u52a8\u673a\u9020\u6210\u635f\u574f\u3002<\/p>\n<h3 id=\"how-urgent-is-it-to-address-spn-3714-\">\u89e3\u51b3 SPN 3714 \u7684\u7d27\u6025\u6027\u6709\u591a\u9ad8\uff1f<\/h3>\n<p>\u867d\u7136\u77ed\u65f6\u95f4\u5185\u53ef\u4ee5\u7ee7\u7eed\u5b89\u5168\u9a7e\u9a76\uff0c\u4f46\u6700\u597d\u5c3d\u5feb\u8bca\u65ad\u5e76\u4fee\u590d SPN 3714 \u7684\u6839\u672c\u539f\u56e0\u3002\u5ffd\u89c6\u5b83\u53ef\u80fd\u5bfc\u81f4\u8fdb\u4e00\u6b65\u7684\u52a8\u529b\u964d\u7ea7\u3001\u6f5c\u5728\u7684\u635f\u574f\u6216\u8f66\u8f86\u629b\u951a\u3002<\/p>\n<h3 id=\"what-systems-does-spn-3714-relate-to-\">SPN 3714 \u6d89\u53ca\u54ea\u4e9b\u7cfb\u7edf\uff1f<\/h3>\n<p>SPN 3714 \u7531\u540e\u5904\u7406\u548c\u6392\u6c14\u7cfb\u7edf\u7684\u6545\u969c\u89e6\u53d1\u3002\u5305\u62ec DEF\uff08\u67f4\u6cb9\u6392\u6c14\u6db2\uff09\u7cfb\u7edf\u3001NOx \u4f20\u611f\u5668\u3001SCR\uff08\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff09\u50ac\u5316\u5668\u53ca\u76f8\u5173\u7ebf\u8def\u548c\u4f20\u611f\u5668\u3002<\/p>\n<h3 id=\"is-spn-3714-a-generic-or-manufacturer-specific-code-\">SPN 3714 \u662f\u901a\u7528\u4ee3\u7801\u8fd8\u662f\u5236\u9020\u5546\u4e13\u7528\u4ee3\u7801\uff1f<\/h3>\n<p>SPN 3714 \u662f\u5eb7\u660e\u65af\u67f4\u6cb9\u53d1\u52a8\u673a\u4f7f\u7528\u7684\u5236\u9020\u5546\u4e13\u7528\u6545\u969c\u4ee3\u7801\u3002\u5176\u901a\u7528\u7684 OBD-II \u7b49\u6548\u4ee3\u7801\u4e3a P1569\u3002<\/p>\n<h3 id=\"what-are-common-causes-of-spn-3714-\">SPN 3714 \u7684\u5e38\u89c1\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5e38\u89c1\u89e6\u53d1\u539f\u56e0\u5305\u62ec DEF \u6db2\u4f4d\/\u538b\u529b\/\u6e29\u5ea6\/\u8d28\u91cf\u4f20\u611f\u5668\u6545\u969c\uff0cDEF \u55b7\u5c04\u5355\u5143\u548c\u9600\u95e8\u95ee\u9898\uff08\u5982\u5835\u585e\u3001\u6cc4\u6f0f\u3001\u7ebf\u8def\u95ee\u9898\uff09\u3001SCR \u6548\u7387\u95ee\u9898\u3001\u7ebf\u8def\u6545\u969c\uff08\u5f00\u8def\u3001\u77ed\u8def\uff09\u548c\u8f6f\u4ef6\u9519\u8bef\u3002<\/p>\n<h3 id=\"how-do-you-diagnose-the-root-cause-of-spn-3714-\">\u5982\u4f55\u8bca\u65ad SPN 3714 \u7684\u6839\u672c\u539f\u56e0\uff1f<\/h3>\n<p>\u5173\u952e\u8bca\u65ad\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u626b\u63cf\u6240\u6709\u6d3b\u52a8\u6545\u969c\u4ee3\u7801\uff0c\u7279\u522b\u662f\u4e0e\u540e\u5904\u7406\u76f8\u5173\u7684\u4ee3\u7801<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5 DEF \u7cfb\u7edf\u90e8\u4ef6\u548c\u7ebf\u8def<\/li>\n<li>\u68c0\u67e5 DEF \u6db2\u4f4d\u3001\u538b\u529b\uff0845-65 psi\uff09\u548c\u6e29\u5ea6<\/li>\n<li>\u6d4b\u8bd5 DEF \u55b7\u5c04\u5355\u5143\u548c\u9600\u95e8\u7535\u8def\u7684\u7535\u963b<\/li>\n<li>\u6267\u884c DEF \u55b7\u5c04\u6d4b\u8bd5\u5e76\u76d1\u6d4b\u6d41\u91cf\/\u538b\u529b<\/li>\n<li>\u5206\u6790 NOx \u548c\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u5b9e\u65f6\u6570\u636e<\/li>\n<\/ol>\n<h3 id=\"what-repairs-are-needed-to-fix-issues-causing-spn-3714-\">\u4fee\u590d SPN 3714 \u95ee\u9898\u9700\u8981\u54ea\u4e9b\u7ef4\u4fee\uff1f<\/h3>\n<p>\u5e38\u89c1\u7684\u7ef4\u4fee\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u66f4\u6362\u6545\u969c\u7684 DEF \u4f20\u611f\u5668<\/li>\n<li>\u6e05\u6d01\u6216\u66f4\u6362\u5835\u585e\u6216\u6cc4\u6f0f\u7684 DEF \u55b7\u5c04\u5355\u5143\u548c\u9600\u95e8<\/li>\n<li>\u66f4\u65b0 ECM \u8f6f\u4ef6\u6821\u51c6<\/li>\n<li>\u4fee\u590d\u635f\u574f\u7684\u7ebf\u8def\u548c\u8fde\u63a5\u5668<\/li>\n<li>\u5982\u679c SCR \u6548\u7387\u8fc7\u4f4e\uff0c\u66ff\u6362 SCR \u50ac\u5316\u5668\u603b\u6210<\/li>\n<\/ul>\n<h3 id=\"what-maintenance-helps-prevent-spn-3714-\">\u54ea\u4e9b\u7ef4\u62a4\u63aa\u65bd\u6709\u52a9\u4e8e\u9884\u9632 SPN 3714\uff1f<\/h3>\n<p>\u9884\u9632 SPN 3714 \u7684\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li>\u4fdd\u6301 DEF \u6db2\u4f4d\uff0c\u5e76\u4ec5\u4f7f\u7528 API \u8ba4\u8bc1\u7684\u67f4\u6cb9\u6392\u6c14\u6db2<\/li>\n<li>\u6545\u969c\u4ee3\u7801\u51fa\u73b0\u65f6\u53ca\u65f6\u5904\u7406\uff0c\u4ee5\u9632\u6b62\u7ea7\u8054\u6545\u969c<\/li>\n<li>\u5b9a\u671f\u68c0\u67e5\u540e\u5904\u7406\u7cfb\u7edf\u7684\u7ebf\u8def\u548c\u8fde\u63a5\u5668<\/li>\n<li>\u9075\u5faa\u63a8\u8350\u7684\u540e\u5904\u7406\u7cfb\u7edf\u7ef4\u62a4\u95f4\u9694<\/li>\n<\/ul>\n<h3 id=\"how-much-does-it-cost-to-repair-spn-3714-issues-\">\u4fee\u590d SPN 3714 \u95ee\u9898\u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u603b\u7ef4\u4fee\u8d39\u7528\u56e0\u5177\u4f53\u6839\u672c\u539f\u56e0\u800c\u5f02\uff1a<\/p>\n<ul>\n<li>DEF \u4f20\u611f\u5668\uff1a\u6bcf\u4e2a 200-500 \u7f8e\u5143<\/li>\n<li>DEF \u55b7\u5c04\u5355\u5143\uff1a500-1200 \u7f8e\u5143<\/li>\n<li>SCR \u50ac\u5316\u5668\uff1a2000-4000 \u7f8e\u5143<\/li>\n<li>\u4eba\u5de5\uff1a\u91cd\u578b\u5361\u8f66\u8d39\u7387\u4e0b\u7684 2-8 \u5c0f\u65f6<\/li>\n<li>\u8bca\u65ad\u8d39\u7528\uff1a100-300 \u7f8e\u5143<\/li>\n<li>\u603b\u8d39\u7528\uff1a\u5355\u4e2a\u4f20\u611f\u5668\u66f4\u6362\u7ea6 300 \u7f8e\u5143\uff0c\u4e3b\u8981\u90e8\u4ef6\u66f4\u6362\u6700\u9ad8\u53ef\u8fbe 7000 \u7f8e\u5143\u4ee5\u4e0a<\/li>\n<\/ul>\n<h3 id=\"what-other-fault-codes-commonly-appear-with-spn-3714-\">\u54ea\u4e9b\u5176\u4ed6\u6545\u969c\u4ee3\u7801\u5e38\u4e0e SPN 3714 \u4e00\u8d77\u51fa\u73b0\uff1f<\/h3>\n<p>\u4e0e SPN 3714 \u76f8\u5173\u7684\u5e38\u89c1\u4ee3\u7801\uff1a<\/p>\n<ul>\n<li>SPN 3712 &#8211; \u540e\u5904\u7406 SCR \u64cd\u4f5c\u5458\u9650\u5236<\/li>\n<li>SPN 3582 &#8211; SCR \u6548\u7387\u4f4e\u4e8e\u9608\u503c<\/li>\n<li>SPN 4094 &#8211; \u7531\u4e8e DEF \u8d28\u91cf\u4e0d\u8db3\uff0cNOx \u8d85\u8fc7\u9650\u5236<\/li>\n<li>SPN 4334 &#8211; SCR \u6e29\u5ea6\u8fc7\u4f4e\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c<\/li>\n<\/ul>\n<h3 id=\"can-you-clear-spn-3714-by-just-using-a-diagnostic-scan-tool-\">\u53ef\u4ee5\u4ec5\u4f7f\u7528\u8bca\u65ad\u626b\u63cf\u5de5\u5177\u6e05\u9664 SPN 3714 \u5417\uff1f<\/h3>\n<p>\u4e0d\u53ef\u4ee5\uff0c\u82e5\u4e0d\u89e3\u51b3\u6839\u672c\u95ee\u9898\uff0c\u4ec5\u4f7f\u7528\u626b\u63cf\u5de5\u5177\u6e05\u9664 SPN 3714 \u53ea\u4f1a\u6682\u65f6\u79fb\u9664\u4ee3\u7801\u3002\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u63a7\u5236\u6a21\u5757\u518d\u6b21\u68c0\u6d4b\u5230\u6545\u969c\u6761\u4ef6\u65f6\u4ee3\u7801\u4f1a\u91cd\u65b0\u51fa\u73b0\u3002<\/p>\n<h3 id=\"what-scan-tools-are-used-to-diagnose-spn-3714-\">\u8bca\u65ad SPN 3714 \u4f7f\u7528\u54ea\u4e9b\u626b\u63cf\u5de5\u5177\uff1f<\/h3>\n<p>\u4e13\u4e1a\u8bca\u65ad\u8f6f\u4ef6\u5982 Cummins Insite\u3001TEXA \u5361\u8f66\u548c Cojali Construction\/Ag \u5957\u4ef6\u5e38\u7528\u4e8e\u6392\u67e5 SPN 3714 \u53ca\u76f8\u5173\u6545\u969c\u7684\u5eb7\u660e\u65af\u53d1\u52a8\u673a\u3002<\/p>\n<h3 id=\"is-spn-3714-a-derate-code-what-does-that-mean-\">SPN 3714 \u662f\u201c\u964d\u7ea7\u201d\u4ee3\u7801\u5417\uff1f\u8fd9\u610f\u5473\u7740\u4ec0\u4e48\uff1f<\/h3>\n<p>\u662f\u7684\uff0cSPN 3714 \u662f\u5eb7\u660e\u65af\u53d1\u52a8\u673a\u4e0a\u7684\u201c\u4fe1\u606f\u6027\u964d\u7ea7\u201d\u4ee3\u7801\u3002\u8fd9\u610f\u5473\u7740\u5f53\u5176\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u65f6\uff0c\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757\u5df2\u7ecf\u964d\u4f4e\u4e86\u529f\u7387\u8f93\u51fa\u5e76\u53ef\u80fd\u9650\u5236\u8f66\u901f\uff0c\u4ee5\u9632\u6b62\u6f5c\u5728\u6545\u969c\u5bfc\u81f4\u635f\u574f\u3002<\/p>\n<h3 id=\"does-spn-3714-indicate-an-emissions-system-problem-\">SPN 3714 \u662f\u5426\u8868\u793a\u6392\u653e\u7cfb\u7edf\u95ee\u9898\uff1f<\/h3>\n<p>\u662f\u7684\uff0cSPN 3714 \u6307\u5411\u6392\u6c14\u540e\u5904\u7406\u7cfb\u7edf\u7684\u6545\u969c\uff0c\u8d1f\u8d23\u51cf\u5c11\u73b0\u4ee3\u67f4\u6cb9\u53d1\u52a8\u673a\u4e2d\u7684\u6709\u5bb3 NOx \u6392\u653e\u3002DEF \u7cfb\u7edf\u548c SCR \u50ac\u5316\u5668\u662f\u5173\u952e\u6392\u653e\u63a7\u5236\u90e8\u4ef6\u3002<\/p>\n<h3 id=\"will-the-check-engine-light-illuminate-with-spn-3714-\">SPN 3714 \u4f1a\u89e6\u53d1\u53d1\u52a8\u673a\u6545\u969c\u706f\u5417\uff1f<\/h3>\n<p>\u5982\u679c SPN 3714 \u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\uff0c\u53d1\u52a8\u673a\u6545\u969c\u706f\uff08CEL\uff09\u901a\u5e38\u4f1a\u4eae\u8d77\u3002\u7136\u800c\uff0cSPN 3714 \u672c\u8eab\u4e0d\u4f1a\u76f4\u63a5\u89e6\u53d1 CEL\uff0c\u800c\u662f\u7531\u5bfc\u81f4 SPN 3714 \u7684\u6f5c\u5728\u6545\u969c\u89e6\u53d1 CEL\u3002<\/p>\n<h3 id=\"can-low-def-fluid-level-cause-spn-3714-\">DEF \u6db2\u4f4d\u8fc7\u4f4e\u4f1a\u5bfc\u81f4 SPN 3714 \u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u5982\u679c DEF \u50a8\u6db2\u7f50\u8017\u5c3d\uff0c\u901a\u5e38\u4f1a\u89e6\u53d1\u540e\u5904\u7406\u7cfb\u7edf\u6545\u969c\uff0c\u4ece\u800c\u5bfc\u81f4 SPN 3714 \u51fa\u73b0\uff0c\u5e76\u4f34\u968f\u53d1\u52a8\u673a\u964d\u7ea7\u3002\u4eea\u8868\u76d8\u4e0a\u7684\u4f4e DEF \u6db2\u4f4d\u8b66\u544a\u706f\u4e5f\u53ef\u80fd\u4eae\u8d77\u3002<\/p>\n<h3 id=\"is-spn-3714-more-common-on-certain-cummins-engine-models-\">SPN 3714 \u5728\u67d0\u4e9b\u5eb7\u660e\u65af\u53d1\u52a8\u673a\u578b\u53f7\u4e0a\u66f4\u5e38\u89c1\u5417\uff1f<\/h3>\n<p>SPN 3714 \u53ef\u51fa\u73b0\u5728\u4efb\u4f55\u914d\u5907 DEF \u57fa\u7840 SCR \u540e\u5904\u7406\u7684\u73b0\u4ee3\u5eb7\u660e\u65af\u67f4\u6cb9\u53d1\u52a8\u673a\u4e0a\u3002\u7136\u800c\uff0c\u5b83\u5728\u91cd\u578b\u5361\u8f66\u53d1\u52a8\u673a\u4e0a\u66f4\u4e3a\u5e38\u89c1\uff0c\u4f8b\u5982 ISX15 \u548c X15 \u578b\u53f7\u3002<\/p>\n<h3 id=\"how-long-can-you-drive-with-spn-3714-active-\">SPN 3714 \u6fc0\u6d3b\u72b6\u6001\u4e0b\u53ef\u4ee5\u9a7e\u9a76\u591a\u957f\u65f6\u95f4\uff1f<\/h3>\n<p>\u6ca1\u6709\u5177\u4f53\u7684\u65f6\u95f4\u9650\u5236\uff0c\u4f46\u4e0d\u5efa\u8bae\u5728 SPN 3714 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