{"id":287349,"date":"2024-10-21T08:04:08","date_gmt":"2024-10-21T08:04:08","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287349"},"modified":"2024-11-01T12:19:06","modified_gmt":"2024-11-01T12:19:06","slug":"p1409-egr-vacuum-system-leak-detected","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p1409-egr-vacuum-system-leak-detected\/","title":{"rendered":"P1409 &#8211; EGR \u771f\u7a7a\u7cfb\u7edf\u6cc4\u6f0f\u68c0\u6d4b"},"content":{"rendered":"<h2 id=\"how-urgent-is-p1409-\">P1409 \u4ee3\u7801\u7684\u7d27\u6025\u7a0b\u5ea6\u5982\u4f55\uff1f<\/h2>\n<p>P1409 \u4ee3\u7801\u8868\u793a\u5e9f\u6c14\u518d\u5faa\u73af\uff08EGR\uff09\u7cfb\u7edf\u51fa\u73b0\u95ee\u9898\uff0c\u7279\u522b\u662f EGR \u771f\u7a7a\u8c03\u8282\u7535\u78c1\u9600\u7535\u8def\u53d1\u751f\u6545\u969c\u3002\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5373\u4f7f\u51fa\u73b0\u6b64\u4ee3\u7801\uff0c\u60a8\u4ecd\u53ef\u4ee5\u7ee7\u7eed\u77ed\u9014\u9a7e\u9a76\uff0c\u4f46\u5efa\u8bae\u5c3d\u5feb\u5bf9\u95ee\u9898\u8fdb\u884c\u8bca\u65ad\u548c\u4fee\u590d\uff0c\u4ee5\u9632\u6b62\u5bf9\u53d1\u52a8\u673a\u548c\u6392\u653e\u7cfb\u7edf\u9020\u6210\u6f5c\u5728\u635f\u574f\u3002\u5728\u95ee\u9898\u4fee\u590d\u4e4b\u524d\uff0c\u8bf7\u907f\u514d\u957f\u9014\u65c5\u884c\u6216\u62d6\u8f66\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\uff0c\u6211\u4eec\u7ecf\u5e38\u9047\u5230 P1409 \u4ee3\u7801\uff0c\u5c24\u5176\u662f\u5728\u6b27\u6d32\u54c1\u724c\u7684\u8f66\u8f86\u4e2d\u66f4\u4e3a\u5e38\u89c1\u3002\u4e0a\u5468\uff0c\u4e00\u8f86\u5954\u9a70 C \u7ea7\u8f7f\u8f66\u56e0\u6020\u901f\u4e0d\u7a33\u548c\u52a8\u529b\u4e0b\u964d\u8fdb\u5e97\u3002\u6211\u4eec\u7684\u8bca\u65ad\u626b\u63cf\u663e\u793a\u4e86 P1409 \u4ee3\u7801\uff0c\u6307\u5411 EGR \u771f\u7a7a\u8c03\u8282\u7535\u78c1\u9600\u7535\u8def\u6545\u969c\u3002\u8fd9\u5e76\u4e0d\u662f\u5b64\u7acb\u4e8b\u4ef6\u2014\u2014\u6211\u4eec\u4e5f\u5728\u5b9d\u9a6c\u3001\u5965\u8fea\uff0c\u751a\u81f3\u5076\u5c14\u5728\u5927\u4f17\u6c7d\u8f66\u4e0a\u770b\u5230\u7c7b\u4f3c\u7684\u95ee\u9898\u3002\u867d\u7136\u8fd9\u79cd\u60c5\u51b5\u4e0d\u5982\u6b27\u6d32\u8f66\u5e38\u89c1\uff0c\u4f46\u7f8e\u56fd\u548c\u4e9a\u6d32\u54c1\u724c\u5982\u798f\u7279\u548c\u4e30\u7530\u4e5f\u6709\u65f6\u4f1a\u51fa\u73b0 P1409\u3002\u65e0\u8bba\u8f66\u8f86\u54c1\u724c\u5982\u4f55\uff0c\u5f7b\u5e95\u68c0\u67e5\u7535\u7ebf\u3001\u8fde\u63a5\u5668\u548c\u7535\u78c1\u9600\u672c\u8eab\u5bf9\u4e8e\u627e\u5230\u6839\u672c\u539f\u56e0\u5e76\u8ba9\u8f66\u8f86\u987a\u5229\u8fd0\u884c\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/div>\n<h2 id=\"code-details\">\u4ee3\u7801\u8be6\u60c5<\/h2>\n<p>P1409 \u662f\u4e00\u4e2a\u5236\u9020\u5546\u7279\u5b9a\u4ee3\u7801\uff0c\u9002\u7528\u4e8e\u8bb8\u591a\u798f\u7279\u3001\u6797\u80af\u548c\u6c34\u661f\u8f66\u8f86\u3002\u5177\u4f53\u5b9a\u4e49\u548c\u6545\u969c\u6392\u9664\u6b65\u9aa4\u53ef\u80fd\u4f1a\u6839\u636e\u8f66\u8f86\u54c1\u724c\u548c\u578b\u53f7\u6709\u6240\u4e0d\u540c\u3002\u5728\u8bca\u65ad\u6b64\u4ee3\u7801\u65f6\uff0c\u8bf7\u59cb\u7ec8\u67e5\u9605\u60a8\u7684\u8f66\u8f86\u7684\u5de5\u5382\u7ef4\u4fee\u4fe1\u606f\u3002<\/p>\n<p>\u4e00\u822c\u6765\u8bf4\uff0cP1409 \u8868\u793a\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757\uff08PCM\uff09\u68c0\u6d4b\u5230 EGR \u771f\u7a7a\u8c03\u8282\u7535\u78c1\u9600\uff08\u4e5f\u79f0\u4e3a EGR \u9600\u8c03\u8282\u5668\uff0cEVR\uff09\u7684\u7535\u8def\u6545\u969c\u3002\u8be5\u7535\u78c1\u9600\u63a7\u5236 EGR \u9600\u7684\u771f\u7a7a\u3002<\/p>\n<h2 id=\"parts-involved\">\u6d89\u53ca\u7684\u90e8\u4ef6<\/h2>\n<p>\u4e0e P1409 \u4ee3\u7801\u76f8\u5173\u7684\u4e3b\u8981\u90e8\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>EGR \u771f\u7a7a\u8c03\u8282\u7535\u78c1\u9600\uff08EVR\uff09<\/li>\n<li>EGR \u9600<\/li>\n<li>\u771f\u7a7a\u7ba1\u548c\u8f6f\u7ba1<\/li>\n<li>\u7535\u7ebf\u548c\u8fde\u63a5\u5668<\/li>\n<li>PCM<\/li>\n<\/ul>\n<p>EGR \u7cfb\u7edf\u5c06\u5c11\u91cf\u5e9f\u6c14\u91cd\u65b0\u5bfc\u5165\u8fdb\u6c14\u7cfb\u7edf\uff0c\u4ee5\u964d\u4f4e\u71c3\u70e7\u6e29\u5ea6\u5e76\u51cf\u5c11\u6c2e\u6c27\u5316\u7269\uff08NOx\uff09\u6392\u653e\u3002PCM \u547d\u4ee4 EVR \u7535\u78c1\u9600\u63a7\u5236 EGR \u9600\u7684\u771f\u7a7a\uff0cEGR \u9600\u6253\u5f00\u548c\u5173\u95ed\u4ee5\u8c03\u8282\u5e9f\u6c14\u6d41\u91cf\u3002<\/p>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>P1409 \u4ee3\u7801\u7684\u6f5c\u5728\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>EGR \u771f\u7a7a\u8c03\u8282\u7535\u78c1\u9600\u6545\u969c<\/li>\n<li>\u7535\u6c14\u8fde\u63a5\u5668\u635f\u574f\u6216\u65ad\u5f00<\/li>\n<li>EVR \u7535\u78c1\u9600\u7535\u8def\u4e2d\u7684\u5f00\u8def\u6216\u77ed\u8def<\/li>\n<li>\u771f\u7a7a\u7ba1\u5835\u585e\u6216\u6cc4\u6f0f<\/li>\n<li>EGR \u9600\u6545\u969c<\/li>\n<li>\u7f55\u89c1\u60c5\u51b5\u4e0b\uff0cPCM \u6545\u969c<\/li>\n<\/ul>\n<h2 id=\"diagnosis-steps\">\u8bca\u65ad\u6b65\u9aa4<\/h2>\n<p>\u8981\u6b63\u786e\u8bca\u65ad P1409 \u4ee3\u7801\uff1a<\/p>\n<ol>\n<li>\n<p>\u76ee\u89c6\u68c0\u67e5 EVR \u7535\u78c1\u9600\u3001EGR \u9600\u3001\u7535\u7ebf\u3001\u8fde\u63a5\u5668\u548c\u771f\u7a7a\u8f6f\u7ba1\u3002\u67e5\u627e\u662f\u5426\u6709\u660e\u663e\u7684\u635f\u574f\u3001\u65ad\u5f00\u6216\u5835\u585e\u3002<\/p>\n<\/li>\n<li>\n<p>\u65ad\u5f00 EVR \u7535\u78c1\u9600\u7684\u7535\u6c14\u8fde\u63a5\u5668\uff0c\u5e76\u4f7f\u7528\u4e07\u7528\u8868\u68c0\u67e5\u7535\u78c1\u9600\u5f15\u811a\u95f4\u7684\u7535\u963b\u3002\u89c4\u683c\u901a\u5e38\u4e3a 26-40 \u6b27\u59c6\u3002\u5982\u679c\u8bfb\u6570\u8d85\u51fa\u8303\u56f4\uff0c\u8bf7\u66f4\u6362\u7535\u78c1\u9600\u3002<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u7535\u78c1\u9600\u7535\u963b\u6b63\u5e38\uff0c\u4f7f\u7528\u771f\u7a7a\u8868\u5728\u53d1\u52a8\u673a\u8fd0\u884c\u65f6\u68c0\u67e5 EGR \u9600\u7684\u771f\u7a7a\u3002\u5f53 EVR \u7535\u78c1\u9600\u88ab\u547d\u4ee4\u5f00\u542f\u65f6\uff0cEGR \u9600\u5e94\u80fd\u611f\u5e94\u5230\u771f\u7a7a\u3002\u5982\u679c\u6ca1\u6709\u771f\u7a7a\uff0c\u53ef\u80fd\u662f\u7535\u78c1\u9600\u6545\u969c\u6216\u771f\u7a7a\u7ba1\u5835\u585e\u3002<\/p>\n<\/li>\n<li>\n<p>\u5728\u94a5\u5319\u6253\u5f00\uff0c\u53d1\u52a8\u673a\u5173\u95ed\u7684\u60c5\u51b5\u4e0b\uff0c\u65ad\u5f00 EVR \u7535\u78c1\u9600\uff0c\u5e76\u68c0\u67e5\u7ebf\u675f\u8fde\u63a5\u5668\u4e0a\u7684 12V \u7535\u538b\u548c\u63a5\u5730\u3002\u5982\u679c\u6ca1\u6709\u7535\u538b\uff0c\u8bf7\u6cbf\u7535\u8def\u56de\u6eaf\u81f3 PCM\uff0c\u5e76\u4fee\u590d\u4efb\u4f55\u5f00\u8def\u6216\u77ed\u8def\u3002<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u6240\u6709\u5e03\u7ebf\u548c\u8fde\u63a5\u90fd\u6b63\u5e38\uff0cEVR \u7535\u78c1\u9600\u548c\u771f\u7a7a\u4f9b\u5e94\u6d4b\u8bd5\u901a\u8fc7\uff0c\u4f46\u9600\u95e8\u4ecd\u7136\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\uff0c\u53ef\u80fd\u662f EGR \u9600\u672c\u8eab\u6545\u969c\u3002\u62c6\u4e0b\u5e76\u68c0\u67e5\u9600\u95e8\u3002<\/p>\n<\/li>\n<\/ol>\n<h2 id=\"repair-costs\">\u4fee\u7406\u8d39\u7528<\/h2>\n<p>P1409 \u4ee3\u7801\u7684\u4fee\u7406\u6210\u672c\u53ef\u80fd\u4f1a\u56e0\u6839\u672c\u539f\u56e0\u800c\u5f02\uff0c\u4f46\u5e38\u89c1\u4f30\u8ba1\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>EVR \u7535\u78c1\u9600\uff1a$20-80 \u7f8e\u5143 (\u20ac18-70 \u6b27\u5143)<\/li>\n<li>EGR \u9600\uff1a$70-400 \u7f8e\u5143 (\u20ac60-350 \u6b27\u5143)<\/li>\n<li>\u7535\u7ebf\u4fee\u7406\uff1a$50-300 \u7f8e\u5143 (\u20ac45-265 \u6b27\u5143)\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u635f\u574f\u7a0b\u5ea6<\/li>\n<li>\u5982\u679c\u9700\u8981\uff0cPCM \u66f4\u6362\uff1a$500-1500 \u7f8e\u5143 (\u20ac440-1320 \u6b27\u5143)<\/li>\n<\/ul>\n<p>\u5b9e\u9645\u4fee\u7406\u8d39\u7528\u5c06\u53d6\u51b3\u4e8e\u60a8\u7684\u5177\u4f53\u8f66\u8f86\u548c\u5f53\u5730\u7684\u4eba\u5de5\u8d39\u3002\u8bca\u65ad\u548c\u4fee\u7406\u901a\u5e38\u9700\u8981 1-3 \u5c0f\u65f6\uff0c\u9664\u975e\u5e03\u7ebf\u635f\u574f\u4e25\u91cd\u3002<\/p>\n<h2 id=\"other-notes\">\u5176\u4ed6\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>P1409 \u4ee3\u7801\u53ef\u80fd\u4f34\u968f\u5176\u4ed6 EGR \u7cfb\u7edf\u76f8\u5173\u4ee3\u7801\uff0c\u5982 <a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0401-exhaust-gas-recirculation-flow-insufficient-detected-a-technical-description\/\" title=\"P0401\uff08EGR \u6d41\u91cf\u4e0d\u8db3\uff09\">P0401\uff08EGR \u6d41\u91cf\u4e0d\u8db3\uff09<\/a>\u6216 <a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p1406-exhaust-flap-position-sensor-circuit-low-some-manufacturers\/\" title=\"P1406\uff08EGR \u9600\u4f4d\u7f6e\u4f20\u611f\u5668\u6027\u80fd\uff09\">P1406\uff08EGR \u9600\u4f4d\u7f6e\u4f20\u611f\u5668\u6027\u80fd\uff09<\/a>\u3002\u5efa\u8bae\u4f18\u5148\u5904\u7406 P1409 \u4ee3\u7801\u3002<\/p>\n<p>\u4e3a\u9632\u6b62 EGR \u7cfb\u7edf\u95ee\u9898\uff0c\u5b9a\u671f\u68c0\u67e5\u771f\u7a7a\u7ba1\u548c\u7535\u7ebf\u662f\u5426\u635f\u574f\u3002\u4fdd\u6301\u53d1\u52a8\u673a\u6b63\u5e38\u7ef4\u62a4\uff0c\u4ee5\u51cf\u5c11 EGR \u9600\u4e0a\u7684\u78b3\u79ef\u805a\u3002<\/p>\n<p>\u603b\u800c\u8a00\u4e4b\uff0cP1409 \u8868\u793a EGR \u771f\u7a7a\u7535\u78c1\u9600\u7535\u8def\u5b58\u5728\u95ee\u9898\uff0c\u5e94\u53ca\u65f6\u8fdb\u884c\u8bca\u65ad\u548c\u4fee\u7406\uff0c\u4ee5\u6062\u590d\u6b63\u5e38\u6392\u653e\u63a7\u5236\u5e76\u9632\u6b62\u50ac\u5316\u5242\u635f\u574f\u3002\u7cfb\u7edf\u5316\u5730\u68c0\u67e5 EVR \u7535\u78c1\u9600\u3001\u5e03\u7ebf\u548c\u771f\u7a7a\u4f9b\u5e94\uff0c\u5c06\u80fd\u786e\u5b9a\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u7684\u6545\u969c\u539f\u56e0\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-p1409\">\u5173\u4e8e P1409 \u7684\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3 id=\"what-does-code-p1409-mean-\">P1409 \u4ee3\u7801\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>P1409 \u662f\u4e00\u4e2a\u5236\u9020\u5546\u7279\u5b9a\u7684\u8bca\u65ad\u6545\u969c\u4ee3\u7801\uff0c\u8868\u793a\u5e9f\u6c14\u518d\u5faa\u73af\uff08EGR\uff09\u771f\u7a7a\u8c03\u8282\u7535\u78c1\u9600\uff08\u4e5f\u79f0\u4e3a EGR \u9600\u8c03\u8282\u5668\uff0cEVR\uff09\u7535\u8def\u53d1\u751f\u6545\u969c\u3002\u8be5\u7535\u78c1\u9600\u63a7\u5236 EGR \u9600\u7684\u771f\u7a7a\u3002<\/p>\n<h3 id=\"what-vehicles-can-get-a-p1409-code-\">\u54ea\u4e9b\u8f66\u8f86\u53ef\u80fd\u51fa\u73b0 P1409 \u4ee3\u7801\uff1f<\/h3>\n<p>P1409 \u5728 1990 \u5e74\u4ee3\u672b\u5230 2000 \u5e74\u4ee3\u7684\u798f\u7279\u3001\u6797\u80af\u548c\u6c34\u661f\u8f66\u8f86\u4e2d\u6700\u4e3a\u5e38\u89c1\u3002\u7136\u800c\uff0c\u67d0\u4e9b\u54c1\u724c\u5982\u9a6c\u81ea\u8fbe\u548c\u5954\u9a70\u7684\u7279\u5b9a\u578b\u53f7\u4e5f\u53ef\u80fd\u51fa\u73b0\u6b64\u4ee3\u7801\u3002<\/p>\n<h3 id=\"how-urgent-is-a-p1409-code-\">P1409 \u4ee3\u7801\u6709\u591a\u7d27\u6025\uff1f<\/h3>\n<p>\u867d\u7136\u51fa\u73b0 P1409 \u4ee3\u7801\u65f6\u60a8\u901a\u5e38\u53ef\u4ee5\u77ed\u9014\u9a7e\u9a76\uff0c\u4f46\u6700\u597d\u5c3d\u5feb\u8bca\u65ad\u548c\u4fee\u7406\u95ee\u9898\uff0c\u4ee5\u907f\u514d\u5bf9\u53d1\u52a8\u673a\u548c\u6392\u653e\u7cfb\u7edf\u7684\u6f5c\u5728\u635f\u574f\u3002\u5728\u95ee\u9898\u4fee\u590d\u4e4b\u524d\uff0c\u8bf7\u907f\u514d\u957f\u9014\u65c5\u884c\u6216\u62d6\u8f66\u3002<\/p>\n<h3 id=\"what-are-the-symptoms-of-a-p1409-code-\">P1409 \u4ee3\u7801\u7684\u75c7\u72b6\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5e38\u89c1\u75c7\u72b6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u53d1\u52a8\u673a\u6545\u969c\u706f\u4eae<\/li>\n<li>\u53d1\u52a8\u673a\u529f\u7387\u4e0b\u964d\u6216\u8fdb\u5165\u7d27\u6025\u6a21\u5f0f<\/li>\n<li>\u6020\u901f\u4e0d\u7a33\u6216\u7184\u706b<\/li>\n<li>\u71c3\u6cb9\u6d88\u8017\u589e\u52a0<\/li>\n<li>\u6392\u653e\u6d4b\u8bd5\u4e0d\u5408\u683c<\/li>\n<\/ul>\n<h3 id=\"what-causes-a-p1409-code-\">P1409 \u4ee3\u7801\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u6f5c\u5728\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>EGR \u771f\u7a7a\u8c03\u8282\u7535\u78c1\u9600\u6545\u969c<\/li>\n<li>\u7535\u7ebf\u548c\u8fde\u63a5\u5668\u635f\u574f\u6216\u65ad\u5f00<\/li>\n<li>EVR \u7535\u78c1\u9600\u7535\u8def\u4e2d\u7684\u5f00\u8def\u6216\u77ed\u8def<\/li>\n<li>\u771f\u7a7a\u7ba1\u5835\u585e\u6216\u6cc4\u6f0f<\/li>\n<li>EGR \u9600\u6545\u969c<\/li>\n<li>\u7f55\u89c1\u60c5\u51b5\u4e0b\uff0cPCM \u6545\u969c<\/li>\n<\/ul>\n<h3 id=\"how-do-you-diagnose-a-p1409-code-\">\u5982\u4f55\u8bca\u65ad P1409 \u4ee3\u7801\uff1f<\/h3>\n<p>\u5173\u952e\u8bca\u65ad\u6b65\u9aa4\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\u76ee\u89c6\u68c0\u67e5 EVR \u7535\u78c1\u9600\u3001EGR \u9600\u3001\u5e03\u7ebf\u3001\u8fde\u63a5\u5668\u3001\u771f\u7a7a\u8f6f\u7ba1<\/li>\n<li>\u68c0\u67e5 EVR \u7535\u78c1\u9600\u7ebf\u5708\u7535\u963b\uff08\u5e94\u4e3a 26-40 \u6b27\u59c6\uff09<\/li>\n<li>\u9a8c\u8bc1 EGR \u9600\u7684\u771f\u7a7a\u4f9b\u5e94<\/li>\n<li>\u6d4b\u8bd5 EVR \u8fde\u63a5\u5668\u7684\u7535\u6e90\u548c\u63a5\u5730<\/li>\n<li>\u68c0\u67e5 EGR \u9600\u662f\u5426\u5361\u4f4f\u6216\u6709\u78b3\u79ef\u805a<\/li>\n<\/ol>\n<h3 id=\"can-a-p1409-code-clear-itself-\">P1409 \u4ee3\u7801\u80fd\u81ea\u52a8\u6e05\u9664\u5417\uff1f<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u6545\u969c\u662f\u6682\u65f6\u7684\u6216\u95f4\u6b47\u6027\u7684\uff0cP1409 \u4ee3\u7801\u53ef\u80fd\u4f1a\u81ea\u52a8\u6e05\u9664\u3002\u7136\u800c\uff0c\u6f5c\u5728\u95ee\u9898\u53ef\u80fd\u4f1a\u518d\u6b21\u89e6\u53d1\u6b64\u4ee3\u7801\uff0c\u76f4\u5230\u95ee\u9898\u4fee\u590d\u4e3a\u6b62\u3002<\/p>\n<h3 id=\"is-a-p1409-code-the-same-as-an-egr-insufficient-flow-code-\">P1409 \u4ee3\u7801\u4e0e EGR \u6d41\u91cf\u4e0d\u8db3\u4ee3\u7801\u76f8\u540c\u5417\uff1f<\/h3>\n<p>\u4e0d\uff0c\u867d\u7136\u4e24\u8005\u90fd\u6d89\u53ca EGR \u7cfb\u7edf\uff0c\u4f46 P1409 \u4e13\u95e8\u6307\u7684\u662f EVR \u7535\u78c1\u9600\u7535\u8def\u4e2d\u7684\u7535\u6c14\u6545\u969c\u3002\u800c EGR \u6d41\u91cf\u4e0d\u8db3\u4ee3\u7801\u5982 P0401 \u5219\u6307 EGR \u9600\u6216\u901a\u9053\u7684\u673a\u68b0\u95ee\u9898\u3002<\/p>\n<h3 id=\"can-a-vacuum-leak-cause-a-p1409-code-\">\u771f\u7a7a\u6cc4\u6f0f\u4f1a\u5bfc\u81f4 P1409 \u4ee3\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0cEVR \u7535\u78c1\u9600\u8fde\u63a5\u5230 EGR \u9600\u7684\u8f6f\u7ba1\u4e2d\u7684\u771f\u7a7a\u6cc4\u6f0f\u53ef\u80fd\u89e6\u53d1 P1409 \u4ee3\u7801\u3002\u6cc4\u6f0f\u4f1a\u963b\u6b62\u7535\u78c1\u9600\u6b63\u786e\u63a7\u5236 EGR \u9600\u7684\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"will-disconnecting-the-battery-clear-a-p1409-code-\">\u65ad\u5f00\u7535\u6c60\u80fd\u6e05\u9664 P1409 \u4ee3\u7801\u5417\uff1f<\/h3>\n<p>\u65ad\u5f00\u7535\u6c60\u53ef\u80fd\u4f1a\u6682\u65f6\u6e05\u9664\u4ee3\u7801\uff0c\u4f46\u5982\u679c\u95ee\u9898\u672a\u4fee\u590d\uff0c\u9a7e\u9a76\u540e\u4ee3\u7801\u53ef\u80fd\u4f1a\u518d\u6b21\u51fa\u73b0\u3002\u9700\u8981\u8fdb\u884c\u6b63\u786e\u7684\u8bca\u65ad\u548c\u4fee\u7406\u3002<\/p>\n<h3 id=\"how-much-does-it-cost-to-fix-a-p1409-code-\">\u4fee\u590d P1409 \u4ee3\u7801\u9700\u8981\u591a\u5c11\u8d39\u7528\uff1f<\/h3>\n<p>\u4fee\u7406\u8d39\u7528\u4ece\u4e0d\u5230 $100 \u7f8e\u5143\uff08\u4f8b\u5982\u66f4\u6362\u574f\u6389\u7684\u771f\u7a7a\u8f6f\u7ba1\u6216 EVR \u7535\u78c1\u9600\uff09\u5230\u51e0\u767e\u7f8e\u5143\u6216\u66f4\u591a\uff08\u4f8b\u5982\u66f4\u6362 EGR \u9600\u6216\u4fee\u590d\u4e25\u91cd\u7684\u5e03\u7ebf\u635f\u574f\uff09\u3002\u8bca\u65ad\u901a\u5e38\u9700\u8981 1-2 \u5c0f\u65f6\u7684\u4eba\u5de5\u8d39\u3002<\/p>\n<h3 id=\"can-you-replace-just-the-evr-solenoid-or-does-the-whole-egr-valve-need-to-be-replaced-\">\u60a8\u53ef\u4ee5\u53ea\u66f4\u6362 EVR \u7535\u78c1\u9600\uff0c\u8fd8\u662f\u9700\u8981\u66f4\u6362\u6574\u4e2a EGR \u9600\uff1f<\/h3>\n<p>\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u53ea\u66f4\u6362\u6545\u969c\u7684 EVR \u7535\u78c1\u9600\u5c31\u80fd\u89e3\u51b3 P1409 \u4ee3\u7801\u95ee\u9898\u3002\u9664\u975e EGR \u9600\u4e25\u91cd\u5835\u585e\u6216\u635f\u574f\uff0c\u5426\u5219\u901a\u5e38\u65e0\u9700\u66f4\u6362\u6574\u4e2a EGR \u9600\u3002<\/p>\n<h3 id=\"is-the-egr-valve-the-same-as-the-evr-solenoid-\">EGR \u9600\u548c EVR \u7535\u78c1\u9600\u662f\u4e00\u6837\u7684\u5417\uff1f<\/h3>\n<p>\u4e0d\uff0cEGR \u9600\u548c EVR \u7535\u78c1\u9600\u662f\u4e24\u4e2a\u4e0d\u540c\u7684\u7ec4\u4ef6\u3002EGR \u9600\u5b89\u88c5\u5728\u53d1\u52a8\u673a\u4e0a\uff0c\u7528\u4e8e\u5c06\u5e9f\u6c14\u5bfc\u5165\u8fdb\u6c14\u53e3\u3002EVR \u7535\u78c1\u9600\u7531 PCM \u7535\u6c14\u63a7\u5236\uff0c\u5e76\u4e3a EGR \u9600\u7684\u6253\u5f00\u548c\u5173\u95ed\u63d0\u4f9b\u771f\u7a7a\u3002<\/p>\n<h3 id=\"can-you-drive-with-the-egr-valve-disconnected-\">\u65ad\u5f00 EGR \u9600\u540e\u8fd8\u80fd\u5f00\u8f66\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u65ad\u5f00 EGR \u9600\u53ef\u80fd\u4f1a\u6682\u65f6\u7f13\u89e3\u6020\u901f\u95ee\u9898\uff0c\u4f46\u4e0d\u5efa\u8bae\u957f\u65f6\u95f4\u8fd9\u6837\u9a7e\u9a76\u3002\u65ad\u5f00 EGR \u7cfb\u7edf\u53ef\u80fd\u5bfc\u81f4\u6392\u653e\u589e\u52a0\u3001\u53d1\u52a8\u673a\u7206\u9707\u548c\u6f5c\u5728\u7684\u50ac\u5316\u5242\u635f\u574f\u3002<\/p>\n<h3 id=\"what-color-is-the-evr-solenoid-wire-\">EVR \u7535\u78c1\u9600\u7684\u7535\u7ebf\u662f\u4ec0\u4e48\u989c\u8272\uff1f<\/h3>\n<p>EVR \u7535\u78c1\u9600\u7535\u7ebf\u7684\u989c\u8272\u56e0\u8f66\u8f86\u54c1\u724c\u3001\u578b\u53f7\u548c\u5e74\u4efd\u800c\u5f02\u3002\u5e38\u89c1\u7684\u989c\u8272\u5305\u62ec\u7eff\u8272\u3001\u9ec4\u8272\u3001\u7ea2\u8272\u3001\u7070\u8272\u548c\u9ed1\u8272\u3002\u8bf7\u67e5\u9605\u60a8\u7684\u8f66\u8f86\u7684\u7535\u8def\u56fe\u6216\u7ef4\u4fee\u624b\u518c\uff0c\u4ee5\u786e\u5b9a\u6b63\u786e\u7684\u7535\u7ebf\u3002<\/p>\n<h3 id=\"how-do-you-test-an-evr-solenoid-\">\u5982\u4f55\u6d4b\u8bd5 EVR \u7535\u78c1\u9600\uff1f<\/h3>\n<p>EVR \u7535\u78c1\u9600\u7684\u4e24\u4e2a\u4e3b\u8981\u6d4b\u8bd5\u662f\u7ebf\u5708\u7535\u963b\u6d4b\u8bd5\u548c\u7535\u6e90\/\u63a5\u5730\u4f9b\u5e94\u6d4b\u8bd5\u3002\u7535\u78c1\u9600\u5f15\u811a\u4e4b\u95f4\u7684\u7535\u963b\u5e94\u4e3a 26-40 \u6b27\u59c6\u3002\u5728\u94a5\u5319\u6253\u5f00\uff0c\u53d1\u52a8\u673a\u5173\u95ed\u7684\u60c5\u51b5\u4e0b\uff0c\u7535\u78c1\u9600\u8fde\u63a5\u5668\u5e94\u5728\u9002\u5f53\u7684\u5f15\u811a\u4e0a\u6709\u7535\u6c60\u7535\u538b\u548c\u63a5\u5730\u3002<\/p>\n<h3 id=\"where-is-the-evr-solenoid-located-\">EVR \u7535\u78c1\u9600\u4f4d\u4e8e\u54ea\u91cc\uff1f<\/h3>\n<p>EVR \u7535\u78c1\u9600\u7684\u786e\u5207\u4f4d\u7f6e\u56e0\u8f66\u8f86\u800c\u5f02\uff0c\u4f46\u5b83\u901a\u5e38\u5b89\u88c5\u5728\u53d1\u52a8\u673a\u8fdb\u6c14\u6b67\u7ba1\u9644\u8fd1\u3002\u8ddf\u968f EGR \u9600\u7684\u771f\u7a7a\u8f6f\u7ba1\u53ef\u4ee5\u627e\u5230\u7535\u78c1\u9600\u3002<\/p>\n<h3 id=\"can-a-bad-egr-valve-cause-a-misfire-\">\u574f\u7684 EGR \u9600\u4f1a\u5bfc\u81f4\u53d1\u52a8\u673a\u5931\u706b\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u5361\u5728\u6253\u5f00\u4f4d\u7f6e\u7684 EGR \u9600\u4f1a\u5141\u8bb8\u8fc7\u91cf\u7684\u5e9f\u6c14\u8fdb\u5165\u8fdb\u6c14\u7cfb\u7edf\uff0c\u7a00\u91ca\u7a7a\u71c3\u6bd4\uff0c\u5bfc\u81f4\u53d1\u52a8\u673a\u5931\u706b\u3002\u8fd9\u4e5f\u53ef\u80fd\u540c\u65f6\u89e6\u53d1\u4e0e P1409 \u76f8\u5173\u7684\u5931\u706b\u4ee3\u7801\u3002<\/p>\n<h3 id=\"can-carbon-buildup-cause-a-p1409-code-\">\u78b3\u79ef\u805a\u4f1a\u5bfc\u81f4 P1409 \u4ee3\u7801\u5417\uff1f<\/h3>\n<p>EGR \u9600\u4e0a\u7684\u78b3\u79ef\u805a\u53ef\u80fd\u5bfc\u81f4\u5176\u5361\u4f4f\uff0c\u65e0\u6cd5\u5bf9 EVR \u7535\u78c1\u9600\u6b63\u5e38\u54cd\u5e94\u3002\u867d\u7136\u8fd9\u4e0d\u4f1a\u76f4\u63a5\u5bfc\u81f4 P1409 \u4ee3\u7801\uff0c\u4f46\u5b83\u53ef\u80fd\u662f\u6f5c\u5728\u539f\u56e0\u4e4b\u4e00\uff0c\u5e94\u4e88\u4ee5\u89e3\u51b3\u3002<\/p>\n<h3 id=\"what-should-egr-valve-vacuum-be-at-idle-\">\u6020\u901f\u65f6 EGR \u9600\u7684\u771f\u7a7a\u5e94\u8be5\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6020\u901f\u65f6 EGR \u9600\u4e0a\u4e0d\u5e94\u6709\u771f\u7a7a\uff0c\u56e0\u4e3a EGR \u7cfb\u7edf\u901a\u5e38\u4e0d\u4f1a\u5728\u6020\u901f\u65f6\u5de5\u4f5c\u3002\u53ea\u6709\u5728 PCM \u5728\u7279\u5b9a\u64cd\u4f5c\u6761\u4ef6\u4e0b\u4f7f EVR \u7535\u78c1\u9600\u901a\u7535\u65f6\uff0c\u624d\u5e94\u63d0\u4f9b\u771f\u7a7a\u3002\u5982\u679c\u6020\u901f\u65f6\u6709\u771f\u7a7a\uff0c\u53ef\u80fd\u662f EVR \u7535\u78c1\u9600\u5361\u5728\u6253\u5f00\u4f4d\u7f6e\u3002<\/p>\n<h3 id=\"how-can-i-prevent-egr-system-problems-\">\u5982\u4f55\u9632\u6b62 EGR \u7cfb\u7edf\u95ee\u9898\uff1f<\/h3>\n<p>\u5b9a\u671f\u7ef4\u62a4\u662f\u51cf\u5c11 EGR \u95ee\u9898\u7684\u5173\u952e\u3002\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u66f4\u6362\u53d1\u52a8\u673a\u7a7a\u6c14\u6ee4\u6e05\u5668<\/li>\n<li>\u4f7f\u7528\u4f18\u8d28\u71c3\u6599\u548c\u673a\u6cb9<\/li>\n<li>\u5fc5\u8981\u65f6\u6e05\u6d01 EGR 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