{"id":287277,"date":"2024-10-21T05:10:37","date_gmt":"2024-10-21T05:10:37","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287277"},"modified":"2024-11-01T10:54:17","modified_gmt":"2024-11-01T10:54:17","slug":"p0490-exhaust-gas-recirculation-control-circuit-high","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p0490-exhaust-gas-recirculation-control-circuit-high\/","title":{"rendered":"P0490 &#8211; \u6392\u6c14\u518d\u5faa\u73af\u63a7\u5236\u7535\u8def\u9ad8"},"content":{"rendered":"<p>P0490: \u6392\u6c14\u518d\u5faa\u73af\uff08EGR\uff09\u201cA\u201d\u63a7\u5236\u7535\u8def\u7535\u538b\u8fc7\u9ad8<\/p>\n<h2 id=\"urgency-assessment\">\u7d27\u6025\u60c5\u51b5\u8bc4\u4f30<\/h2>\n<p>P0490\u4ee3\u7801\u8868\u660e\u6392\u6c14\u518d\u5faa\u73af\uff08EGR\uff09\u7cfb\u7edf\u5b58\u5728\u95ee\u9898\uff0c\u8fd9\u5bf9\u8f66\u8f86\u7684\u5373\u65f6\u8fd0\u884c\u6ca1\u6709\u91cd\u5927\u5f71\u54cd\u3002\u867d\u7136\u901a\u5e38\u53ef\u4ee5\u7ee7\u7eed\u9a7e\u9a76\u8f66\u8f86\uff0c\u4f46\u5efa\u8bae\u5c3d\u5feb\u89e3\u51b3\u8be5\u95ee\u9898\uff0c\u4ee5\u9632\u6b62\u6f5c\u5728\u635f\u574f\u5e76\u786e\u4fdd\u53d1\u52a8\u673a\u6027\u80fd\u548c\u6392\u653e\u63a7\u5236\u7684\u6700\u4f73\u72b6\u6001\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\uff0c\u6211\u4eec\u7ecf\u5e38\u770b\u5230P0490\u6545\u969c\u7801\u51fa\u73b0\u5728\u6b27\u6d32\u8f66\u8f86\u4e0a\uff0c\u7279\u522b\u662f\u5927\u4f17\u3001\u5965\u8fea\u548c\u5b9d\u9a6c\u8f66\u578b\u3002\u8fd9\u4e2a\u95ee\u9898\u5c24\u5176\u5e38\u89c1\u4e8e\u9ad8\u91cc\u7a0b\u7684\u67f4\u6cb9\u53d1\u52a8\u673a\u3002\u6211\u4eec\u53d1\u73b0\uff0c\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u95ee\u9898\u662f\u7531EGR\u9600\u6216\u7ba1\u9053\u4e2d\u7684\u78b3\u6c89\u79ef\u5f15\u8d77\u7684\uff0c\u800c\u4e0d\u662f\u7535\u6c14\u95ee\u9898\u3002\u5f7b\u5e95\u6e05\u6d01EGR\u7cfb\u7edf\u901a\u5e38\u53ef\u4ee5\u89e3\u51b3\u95ee\u9898\uff0c\u4f46\u6709\u65f6\u9700\u8981\u66f4\u6362EGR\u9600\u3002\u5728\u5b9d\u9a6c\u8f66\u578b\u4e2d\uff0c\u6211\u4eec\u8fd8\u6ce8\u610f\u5230\uff0c\u6545\u969c\u7801\u6709\u65f6\u662f\u7531\u4e8eEGR\u51b7\u5374\u5668\u6545\u969c\u5f15\u53d1\u7684\u3002\u867d\u7136\u8f83\u5c11\u89c1\uff0c\u4f46\u6211\u4eec\u5076\u5c14\u4e5f\u5728\u6b27\u6d32\u8f66\u8f86\u4e0a\u53d1\u73b0\uff0c\u7531\u4e8e\u7ebf\u675f\u6545\u969c\u6216PCM\u95ee\u9898\u5bfc\u81f4\u6b64\u4ee3\u7801\u3002<\/p>\n<\/div>\n<h2 id=\"code-description-and-meaning\">\u6545\u969c\u7801\u63cf\u8ff0\u53ca\u542b\u4e49<\/h2>\n<p>P0490\u662f\u4e00\u4e2a\u901a\u7528\u7684OBD-II\u6545\u969c\u7801\uff0c\u8868\u660e\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757\uff08PCM\uff09\u68c0\u6d4b\u5230EGR\u63a7\u5236\u7535\u8def\u4e2d\u5f02\u5e38\u9ad8\u7684\u7535\u538b\u3002\u8be5\u6545\u969c\u7801\u5728\u5404\u4e2a\u6c7d\u8f66\u5236\u9020\u5546\u4e2d\u8f83\u4e3a\u5e38\u89c1\uff0c\u867d\u7136\u5177\u4f53\u7684\u8bca\u65ad\u6b65\u9aa4\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h3 id=\"affected-systems-and-components\">\u53d7\u5f71\u54cd\u7684\u7cfb\u7edf\u548c\u90e8\u4ef6<\/h3>\n<ul>\n<li>EGR\u9600<\/li>\n<li>EGR\u9600\u63a7\u5236\u7535\u78c1\u9600<\/li>\n<li>PCM<\/li>\n<li>EGR\u63a7\u5236\u7535\u8def\u4e2d\u7684\u7ebf\u675f\u548c\u8fde\u63a5\u5668<\/li>\n<\/ul>\n<h2 id=\"egr-system-overview\">EGR\u7cfb\u7edf\u6982\u8ff0<\/h2>\n<h3 id=\"purpose-and-function\">\u76ee\u7684\u548c\u529f\u80fd<\/h3>\n<p>EGR\u7cfb\u7edf\u901a\u8fc7\u5c06\u4e00\u90e8\u5206\u5e9f\u6c14\u91cd\u65b0\u5faa\u73af\u56de\u71c3\u70e7\u5ba4\uff0c\u4ece\u800c\u964d\u4f4e\u71c3\u70e7\u5cf0\u503c\u6e29\u5ea6\uff0c\u4ee5\u51cf\u5c11\u6c2e\u6c27\u5316\u7269\uff08NOx\uff09\u6392\u653e\u3002<\/p>\n<h3 id=\"key-components\">\u5173\u952e\u90e8\u4ef6<\/h3>\n<ul>\n<li>EGR\u9600<\/li>\n<li>EGR\u51b7\u5374\u5668\uff08\u90e8\u5206\u7cfb\u7edf\u4e2d\u4f7f\u7528\uff09<\/li>\n<li>EGR\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>EGR\u4f4d\u7f6e\u4f20\u611f\u5668<\/li>\n<li>\u63a7\u5236\u7535\u78c1\u9600<\/li>\n<\/ul>\n<h3 id=\"control-strategies\">\u63a7\u5236\u7b56\u7565<\/h3>\n<p>PCM\u6839\u636e\u53d1\u52a8\u673a\u8d1f\u8377\u3001\u901f\u5ea6\u548c\u6e29\u5ea6\u7b49\u8f93\u5165\u4fe1\u53f7\u63a7\u5236EGR\u9600\u7684\u5f00\u5ea6\u3002\u5b83\u901a\u8fc7\u8c03\u8282\u63a7\u5236\u7535\u78c1\u9600\u7684\u5360\u7a7a\u6bd4\u6765\u5b9e\u73b0\u6240\u9700\u7684EGR\u6d41\u91cf\u3002<\/p>\n<h2 id=\"common-causes-of-p0490\">P0490\u7684\u5e38\u89c1\u539f\u56e0<\/h2>\n<ol>\n<li>\n<p>\u7535\u6c14\u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\u63a7\u5236\u7535\u8def\u4e2d\u77ed\u8def\u81f3\u7535\u6e90<\/li>\n<li>\u7ebf\u675f\u6216\u8fde\u63a5\u5668\u635f\u574f<\/li>\n<li>\u6545\u969c\u7684EGR\u9600\u7535\u78c1\u9600<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u90e8\u4ef6\u6545\u969c\uff1a<\/p>\n<ul>\n<li>EGR\u9600\u5931\u6548<\/li>\n<li>PCM\u6545\u969c\uff08\u7f55\u89c1\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u78b3\u79ef\u7d2f\uff1a<\/p>\n<ul>\n<li>\u5835\u585e\u7684EGR\u901a\u9053<\/li>\n<li>EGR\u9600\u9600\u82af\u5361\u4f4f<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2 id=\"diagnostic-procedure\">\u8bca\u65ad\u6b65\u9aa4<\/h2>\n<h3 id=\"required-tools\">\u6240\u9700\u5de5\u5177<\/h3>\n<ul>\n<li>OBD-II\u626b\u63cf\u4eea<\/li>\n<li>\u6570\u5b57\u4e07\u7528\u8868<\/li>\n<li>\u7ebf\u675f\u56fe<\/li>\n<li>\u57fa\u672c\u624b\u52a8\u5de5\u5177<\/li>\n<\/ul>\n<h3 id=\"step-by-step-diagnosis\">\u9010\u6b65\u8bca\u65ad<\/h3>\n<ol>\n<li>\u8fde\u63a5OBD-II\u626b\u63cf\u4eea\uff0c\u8bb0\u5f55\u6240\u6709\u6545\u969c\u7801\u548c\u51bb\u7ed3\u5e27\u6570\u636e\u3002<\/li>\n<li>\u68c0\u67e5EGR\u9600\u548c\u76f8\u5173\u7ebf\u675f\u662f\u5426\u6709\u53ef\u89c1\u635f\u574f\u6216\u8150\u8680\u3002<\/li>\n<li>\u68c0\u67e5EGR\u9600\u7684\u5de5\u4f5c\u60c5\u51b5\uff1a\n<ul>\n<li>\u4f7f\u7528\u626b\u63cf\u4eea\u547d\u4ee4EGR\u9600\u5f00\/\u5173<\/li>\n<li>\u542c\u662f\u5426\u6709\u7535\u78c1\u9600\u6fc0\u6d3b\u7684\u70b9\u51fb\u58f0<\/li>\n<\/ul>\n<\/li>\n<li>\u6d4b\u8bd5EGR\u9600\u63a7\u5236\u7535\u8def\uff1a\n<ul>\n<li>\u5728\u70b9\u706b\u5f00\u5173\u5f00\u542f\u65f6\u6d4b\u91cfEGR\u9600\u8fde\u63a5\u5668\u5904\u7684\u7535\u538b<\/li>\n<li>\u9884\u671f\u8bfb\u6570\uff1a0V\uff08\u63a5\u5730\uff09\u81f312V\uff08\u7535\u6c60\u7535\u538b\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\u68c0\u67e5EGR\u9600\u7684\u7535\u963b\uff1a\n<ul>\n<li>\u65ad\u5f00EGR\u9600\u8fde\u63a5\u5668<\/li>\n<li>\u6d4b\u91cf\u9600\u7aef\u5b50\u7684\u7535\u963b<\/li>\n<li>\u4e0e\u5236\u9020\u5546\u89c4\u683c\u8fdb\u884c\u6bd4\u8f83\uff08\u901a\u5e38\u4e3a8-13\u03a9\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\u6267\u884cEGR\u9600\u4e0ePCM\u4e4b\u95f4\u7684\u7535\u8def\u8fde\u7eed\u6027\u6d4b\u8bd5\u3002<\/li>\n<li>\u68c0\u67e5EGR\u901a\u9053\u662f\u5426\u6709\u78b3\u79ef\u7d2f\u3002<\/li>\n<\/ol>\n<h2 id=\"repair-solutions\">\u4fee\u7406\u65b9\u6848<\/h2>\n<ol>\n<li>\u66f4\u6362\u6545\u969c\u7684EGR\u9600\u6216\u7535\u78c1\u9600<\/li>\n<li>\u4fee\u590d\u635f\u574f\u7684\u7ebf\u675f\u6216\u8fde\u63a5\u5668<\/li>\n<li>\u5982\u679cEGR\u88ab\u78b3\u5835\u585e\uff0c\u6e05\u6d01EGR\u901a\u9053\u548c\u9600\u95e8<\/li>\n<li>\u66f4\u65b0PCM\u8f6f\u4ef6\uff08\u5982\u9002\u7528\uff09<\/li>\n<li>\u5728\u6781\u5c11\u6570\u60c5\u51b5\u4e0b\uff0c\u66f4\u6362PCM<\/li>\n<\/ol>\n<h2 id=\"preventive-maintenance\">\u9884\u9632\u6027\u7ef4\u62a4<\/h2>\n<ul>\n<li>\u5b9a\u671f\u66f4\u6362\u7b26\u5408\u89c4\u683c\u7684\u673a\u6cb9<\/li>\n<li>\u4f7f\u7528\u9ad8\u8d28\u91cf\u71c3\u6cb9<\/li>\n<li>\u5b9a\u671f\u6e05\u6d01EGR\u7cfb\u7edf\u90e8\u4ef6<\/li>\n<li>\u53ca\u65f6\u89e3\u51b3\u4efb\u4f55\u6027\u80fd\u95ee\u9898<\/li>\n<\/ul>\n<h2 id=\"estimated-repair-costs\">\u4f30\u8ba1\u4fee\u7406\u8d39\u7528<\/h2>\n<ul>\n<li>EGR\u9600\u66f4\u6362\uff1a150-400\u7f8e\u5143\/130-350\u6b27\u5143<\/li>\n<li>\u7ebf\u675f\u4fee\u7406\uff1a50-200\u7f8e\u5143\/45-175\u6b27\u5143<\/li>\n<li>EGR\u7cfb\u7edf\u6e05\u6d01\uff1a100-300\u7f8e\u5143\/85-260\u6b27\u5143<\/li>\n<li>\u5de5\u65f6\u8d39\u7528\u56e0\u5730\u533a\u800c\u5f02\uff0c\u901a\u5e38\u4e3a\u6bcf\u5c0f\u65f675-150\u7f8e\u5143\/65-130\u6b27\u5143<\/li>\n<\/ul>\n<h2 id=\"related-issues-and-fault-codes\">\u76f8\u5173\u95ee\u9898\u548c\u6545\u969c\u7801<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0489-exhaust-gas-recirculation-control-circuit-low\/\" title=\"P0489: EGR\u201cA\u201d\u63a7\u5236\u7535\u8def\u7535\u538b\u8fc7\u4f4e\">P0489: EGR\u201cA\u201d\u63a7\u5236\u7535\u8def\u7535\u538b\u8fc7\u4f4e<\/a><\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0401-exhaust-gas-recirculation-flow-insufficient-detected-a-technical-description\/\" title=\"P0401: EGR\u6d41\u91cf\u4e0d\u8db3\">P0401: EGR\u6d41\u91cf\u4e0d\u8db3<\/a><\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0400-exhaust-gas-recirculation-flow-malfunction\/\" title=\"P0400: EGR\u7cfb\u7edf\u6545\u969c\">P0400: EGR\u7cfb\u7edf\u6545\u969c<\/a><\/li>\n<\/ul>\n<p>\u5728\u8bca\u65adP0490\u65f6\uff0c\u8bf7\u59cb\u7ec8\u8003\u8651\u6574\u4e2aEGR\u7cfb\u7edf\u53ca\u76f8\u5173\u90e8\u4ef6\u3002\u6839\u636e\u60a8\u7684\u5177\u4f53\u5e94\u7528\u548c\u5730\u533a\uff0c\u4f7f\u7528\u516c\u5236\uff08\u4f8b\u5982\uff0ckPa\u7528\u4e8e\u538b\u529b\uff09\u548c\u82f1\u5236\u5355\u4f4d\uff08\u4f8b\u5982\uff0cEGR\u9600\u5f00\u5ea6\u7684\u82f1\u5bf8\uff09\u3002<\/p>\n<h2 id=\"p0490-faq-exhaust-gas-recirculation-a-control-circuit-high\">\u5173\u4e8eP0490\u7684\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h2>\n<h3>P0490\u6545\u969c\u7801\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>P0490\u8868\u793a\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757\uff08PCM\uff09\u68c0\u6d4b\u5230\u6392\u6c14\u518d\u5faa\u73af\uff08EGR\uff09\u63a7\u5236\u7535\u8def\u4e2d\u5f02\u5e38\u9ad8\u7684\u7535\u538b\u3002<\/p>\n<h3>\u5e26\u7740P0490\u6545\u969c\u7801\u9a7e\u9a76\u5b89\u5168\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u4e0d\u4f1a\u7acb\u5373\u5371\u53ca\u5b89\u5168\uff0c\u4f46\u5efa\u8bae\u5c3d\u5feb\u89e3\u51b3\u8be5\u95ee\u9898\uff0c\u4ee5\u9632\u6b62\u53d1\u52a8\u673a\u6f5c\u5728\u635f\u574f\u5e76\u786e\u4fdd\u6700\u4f73\u6027\u80fd\u3002<\/p>\n<h3>P0490\u7684\u5e38\u89c1\u75c7\u72b6\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u75c7\u72b6\u53ef\u80fd\u5305\u62ec\u6020\u901f\u4e0d\u7a33\u3001\u71c3\u6cb9\u7ecf\u6d4e\u6027\u4e0b\u964d\u3001\u53d1\u52a8\u673a\u6027\u80fd\u964d\u4f4e\u4ee5\u53ca\u68c0\u67e5\u53d1\u52a8\u673a\u706f\u4eae\u8d77\u3002<\/p>\n<h3>P0490\u7684\u5e38\u89c1\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5e38\u89c1\u539f\u56e0\u5305\u62ec\u7ebf\u675f\u635f\u574f\u3001\u6545\u969c\u7684EGR\u9600\u3001\u5835\u585e\u7684EGR\u901a\u9053\u6216PCM\u6545\u969c\u3002<\/p>\n<h3>\u5982\u4f55\u8bca\u65adP0490\u6545\u969c\u7801\uff1f<\/h3>\n<p>\u8bca\u65ad\u901a\u5e38\u6d89\u53ca\u626b\u63cf\u6545\u969c\u7801\u3001\u68c0\u67e5\u7ebf\u675f\u548c\u8fde\u63a5\u5668\u3001\u6d4b\u8bd5EGR\u9600\u4ee5\u53ca\u68c0\u67e5\u662f\u5426\u6709\u78b3\u79ef\u7d2f\u3002<\/p>\n<h3>\u6211\u53ef\u4ee5\u81ea\u5df1\u8bca\u65adP0490\u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u4e00\u4e9b\u6b65\u9aa4\u53ef\u4ee5\u5728\u5bb6\u5b8c\u6210\uff0c\u4f46\u7531\u4e8eEGR\u7cfb\u7edf\u7684\u590d\u6742\u6027\uff0c\u5efa\u8bae\u4e13\u4e1a\u4eba\u5458\u8fdb\u884c\u8bca\u65ad\u3002<\/p>\n<h3>\u5982\u4f55\u4fee\u590dP0490\u6545\u969c\u7801\uff1f<\/h3>\n<p>\u4fee\u590d\u53ef\u80fd\u5305\u62ec\u6e05\u6d01\u6216\u66f4\u6362EGR\u9600\u3001\u4fee\u590d\u7ebf\u675f\uff0c\u6216\u5728\u6781\u5c11\u6570\u60c5\u51b5\u4e0b\u66f4\u6362PCM\u3002<\/p>\n<h3>\u4fee\u590dP0490\u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u4fee\u7406\u8d39\u7528\u901a\u5e38\u4e3a150\u5230400\u7f8e\u5143\uff08130\u5230350\u6b27\u5143\uff09\uff0c\u53e6\u52a0\u5de5\u65f6\u8d39\u7528\u3002<\/p>\n<h3>\u4fee\u590dP0490\u9700\u8981\u591a\u957f\u65f6\u95f4\uff1f<\/h3>\n<p>\u4fee\u590d\u65f6\u95f4\u56e0\u5177\u4f53\u95ee\u9898\u548c\u8f66\u8f86\u578b\u53f7\u800c\u5f02\uff0c\u901a\u5e38\u4e3a1\u52303\u5c0f\u65f6\u3002<\/p>\n<h3>P0490\u662f\u5426\u5305\u542b\u5728\u4fdd\u4fee\u8303\u56f4\u5185\uff1f<\/h3>\n<p>\u5bf9\u4e8e\u8f83\u65b0\u7684\u8f66\u8f86\uff0c\u5b83\u53ef\u80fd\u5305\u62ec\u5728\u52a8\u529b\u603b\u6210\u4fdd\u4fee\u8303\u56f4\u5185\u3002\u8bf7\u67e5\u770b\u60a8\u7684\u4fdd\u4fee\u6761\u6b3e\u3002<\/p>\n<h3>\u5835\u585e\u7684EGR\u9600\u4f1a\u5bfc\u81f4P0490\u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u78b3\u79ef\u7d2f\u53ef\u80fd\u4f1a\u963b\u788dEGR\u9600\u7684\u6b63\u5e38\u5de5\u4f5c\uff0c\u8fdb\u800c\u89e6\u53d1\u6b64\u4ee3\u7801\u3002<\/p>\n<h3>P0490\u4e0eP0489\u6709\u4f55\u533a\u522b\uff1f<\/h3>\n<p>P0490\u8868\u793a\u7535\u8def\u7535\u538b\u8fc7\u9ad8\uff0c\u800cP0489\u8868\u793aEGR\u7cfb\u7edf\u4e2d\u7684\u7535\u8def\u7535\u538b\u8fc7\u4f4e\u3002<\/p>\n<h3>\u574f\u7684\u6c27\u4f20\u611f\u5668\u4f1a\u5bfc\u81f4P0490\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u4e0d\u662f\u76f4\u63a5\u76f8\u5173\uff0c\u4f46\u6545\u969c\u7684\u6c27\u4f20\u611f\u5668\u53ef\u80fd\u4f1a\u5f71\u54cdEGR\u64cd\u4f5c\uff0c\u95f4\u63a5\u5bfc\u81f4\u8be5\u4ee3\u7801\u3002<\/p>\n<h3>\u591a\u4e45\u9700\u8981\u6e05\u6d01EGR\u7cfb\u7edf\uff1f<\/h3>\n<p>\u901a\u5e38\u5efa\u8bae\u6bcf50,000\u81f370,000\u82f1\u91cc\uff0880,000\u81f3112,000\u516c\u91cc\uff09\u6e05\u6d01\u4e00\u6b21EGR\u7cfb\u7edf\u3002<\/p>\n<h3>P0490\u4f1a\u5bfc\u81f4\u8f66\u8f86\u6392\u653e\u6d4b\u8bd5\u4e0d\u901a\u8fc7\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u7531\u4e8eEGR\u7cfb\u7edf\u5bf9\u6392\u653e\u63a7\u5236\u81f3\u5173\u91cd\u8981\uff0c\u6b64\u4ee3\u7801\u53ef\u80fd\u5bfc\u81f4\u6392\u653e\u6d4b\u8bd5\u5931\u8d25\u3002<\/p>\n<h3>P0490\u901a\u5e38\u4f34\u968f\u54ea\u4e9b\u5176\u4ed6\u6545\u969c\u7801\u51fa\u73b0\uff1f<\/h3>\n<p>\u76f8\u5173\u4ee3\u7801\u5305\u62ec<a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0400-exhaust-gas-recirculation-flow-malfunction\/\" title=\"P0400\uff08EGR\u6d41\u91cf\u6545\u969c\uff09\">P0400\uff08EGR\u6d41\u91cf\u6545\u969c\uff09<\/a>\u3001<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>\u548c<a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0489-exhaust-gas-recirculation-control-circuit-low\/\" title=\"P0489\uff08EGR\u201cA\u201d\u63a7\u5236\u7535\u8def\u7535\u538b\u8fc7\u4f4e\uff09\">P0489\uff08EGR\u201cA\u201d\u63a7\u5236\u7535\u8def\u7535\u538b\u8fc7\u4f4e\uff09<\/a>\u3002<\/p>\n<h3>\u771f\u7a7a\u6cc4\u6f0f\u4f1a\u5bfc\u81f4P0490\u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u771f\u7a7a\u6cc4\u6f0f\u53ef\u80fd\u5f71\u54cdEGR\u7684\u6b63\u5e38\u64cd\u4f5c\uff0c\u5e76\u53ef\u80fd\u89e6\u53d1\u6b64\u6545\u969c\u7801\u3002<\/p>\n<h3>\u53ef\u4ee5\u9632\u6b62P0490\u7684\u53d1\u751f\u5417\uff1f<\/h3>\n<p>\u5b9a\u671f\u7ef4\u62a4\uff0c\u5305\u62ec\u53ca\u65f6\u66f4\u6362\u673a\u6cb9\u548c\u4f7f\u7528\u9ad8\u8d28\u91cf\u71c3\u6cb9\uff0c\u6709\u52a9\u4e8e\u9884\u9632EGR\u7cfb\u7edf\u95ee\u9898\u3002<\/p>\n<h3>P0490\u5bf9\u6240\u6709\u8f66\u8f86\u54c1\u724c\u548c\u578b\u53f7\u7684\u5f71\u54cd\u662f\u5426\u76f8\u540c\uff1f<\/h3>\n<p>\u867d\u7136P0490\u662f\u4e00\u4e2a\u901a\u7528\u4ee3\u7801\uff0c\u4f46\u5176\u53d1\u751f\u9891\u7387\u548c\u5177\u4f53\u539f\u56e0\u53ef\u80fd\u56e0\u4e0d\u540c\u54c1\u724c\u548c\u8f66\u578b\u800c\u5f02\u3002<\/p>\n<h3>\u65ad\u5f00\u7535\u6c60\u80fd\u6e05\u9664P0490\u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u65ad\u5f00\u7535\u6c60\u53ef\u80fd\u4f1a\u6682\u65f6\u6e05\u9664\u6545\u969c\u7801\uff0c\u4f46\u5982\u679c\u6839\u672c\u95ee\u9898\u672a\u89e3\u51b3\uff0c\u6545\u969c\u7801\u5f88\u53ef\u80fd\u4f1a\u518d\u6b21\u51fa\u73b0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>P0490: \u6392\u6c14\u518d\u5faa\u73af\uff08EGR\uff09\u201cA\u201d\u63a7\u5236\u7535\u8def\u7535\u538b\u8fc7\u9ad8 \u7d27\u6025\u60c5\u51b5\u8bc4\u4f30 P0490\u4ee3\u7801\u8868\u660e\u6392\u6c14\u518d\u5faa\u73af\uff08EGR\uff09<\/p>\n","protected":false},"author":13,"featured_media":287278,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-287277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/287277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/comments?post=287277"}],"version-history":[{"count":4,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/287277\/revisions"}],"predecessor-version":[{"id":288382,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/287277\/revisions\/288382"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/media\/287278"}],"wp:attachment":[{"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/media?parent=287277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/categories?post=287277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/tags?post=287277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}