{"id":287891,"date":"2024-10-24T07:00:50","date_gmt":"2024-10-24T07:00:50","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287891"},"modified":"2024-11-04T15:04:30","modified_gmt":"2024-11-04T15:04:30","slug":"p2457-dpf-pressure-sensor-a-circuit-voltage-high","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p2457-dpf-pressure-sensor-a-circuit-voltage-high\/","title":{"rendered":"P2457 &#8211; \u6392\u6c14\u518d\u5faa\u73af (EGR) \u51b7\u5374\u7cfb\u7edf\u6027\u80fd"},"content":{"rendered":"<h2 id=\"p2457-exhaust-gas-recirculation-cooling-system-performance\">P2457\uff1a\u6392\u6c14\u518d\u5faa\u73af (EGR) \u51b7\u5374\u7cfb\u7edf\u6027\u80fd<\/h2>\n<p>P2457 \u8bca\u65ad\u6545\u969c\u7801 (DTC) \u8868\u793a\u6392\u6c14\u518d\u5faa\u73af (EGR) \u51b7\u5374\u7cfb\u7edf\u6027\u80fd\u95ee\u9898\u3002\u672c\u6587\u4e3a\u8be5\u6545\u969c\u7801\u63d0\u4f9b\u6df1\u5165\u5206\u6790\uff0c\u6db5\u76d6\u5176\u5f71\u54cd\u3001\u8bca\u65ad\u6b65\u9aa4\u548c\u4fee\u590d\u65b9\u6848\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u6839\u636e\u6211\u4eec\u7684\u8f66\u95f4\u7ecf\u9a8c\uff0c\u6211\u4eec\u53d1\u73b0 P2457 \u6545\u969c\u7801\u6700\u5e38\u51fa\u73b0\u5728\u6b27\u6d32\u67f4\u6cb9\u8f66\u8f86\u4e0a\uff0c\u7279\u522b\u662f\u5b9d\u9a6c\u3001\u6885\u8d5b\u5fb7\u65af-\u5954\u9a70\u548c\u5927\u4f17\u8f66\u578b\u3002\u867d\u7136\u8fd9\u79cd\u60c5\u51b5\u5728\u4e00\u4e9b\u798f\u7279\u548c\u65e5\u4ea7\u67f4\u6cb9\u53d1\u52a8\u673a\u4e0a\u8f83\u4e3a\u5c11\u89c1\uff0c\u4f46\u5076\u5c14\u4e5f\u4f1a\u51fa\u73b0\u3002\u8be5\u6545\u969c\u7801\u901a\u5e38\u8868\u660e EGR \u51b7\u5374\u7cfb\u7edf\u5b58\u5728\u95ee\u9898\uff0c\u901a\u5e38\u662f\u7531\u4e8e EGR \u51b7\u5374\u5668\u5835\u585e\u6216\u6cc4\u6f0f\u6240\u81f4\u3002\u5728\u5b9d\u9a6c\u8f66\u4e2d\uff0cEGR \u51b7\u5374\u5668\u88c2\u7eb9\u662f\u4e00\u4e2a\u7ecf\u5e38\u53d1\u751f\u7684\u95ee\u9898\uff0c\u7279\u522b\u662f\u5728\u8001\u6b3e 3 \u7cfb\u548c X5 \u67f4\u6cb9\u8f66\u4e0a\u3002\u5bf9\u4e8e\u6885\u8d5b\u5fb7\u65af\uff0c\u6545\u969c\u901a\u5e38\u4e0e\u51b7\u5374\u6db2\u6cc4\u6f0f\u6216 EGR \u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c\u6709\u5173\u3002\u5927\u4f17 TDI \u53d1\u52a8\u673a\u6709\u65f6\u4f1a\u56e0 EGR \u7cfb\u7edf\u4e2d\u7684\u79ef\u78b3\u800c\u89e6\u53d1\u6b64\u4ee3\u7801\u3002\u867d\u7136\u8be5\u6545\u969c\u7801\u5e76\u975e\u6b27\u6d32\u54c1\u724c\u6240\u72ec\u6709\uff0c\u4f46\u6211\u4eec\u53d1\u73b0\u5728\u8fd9\u4e9b\u8f66\u8f86\u4e2d\u6bd4\u4e9a\u6d32\u6216\u7f8e\u56fd\u54c1\u724c\u4e2d\u66f4\u4e3a\u5e38\u89c1\u3002<\/p>\n<\/div>\n<h2 id=\"urgency-assessment\">\u7d27\u6025\u6027\u8bc4\u4f30<\/h2>\n<p>P2457 \u6545\u969c\u7801\u4e0d\u88ab\u8ba4\u4e3a\u662f\u9700\u8981\u7acb\u5373\u5904\u7406\u7684\u7d27\u6025\u95ee\u9898\u3002\u7136\u800c\uff0c\u4e0d\u5e94\u5ffd\u89c6\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u4f1a\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u5bfc\u81f4\u53d1\u52a8\u673a\u6027\u80fd\u4e0b\u964d\u548c\u6392\u653e\u91cf\u589e\u52a0\u3002\u867d\u7136\u60a8\u53ef\u4ee5\u7ee7\u7eed\u9a7e\u9a76\uff0c\u4f46\u5efa\u8bae\u5728\u5408\u7406\u7684\u65f6\u95f4\u5185\u7531\u4e13\u4e1a\u6280\u5e08\u68c0\u67e5\u8f66\u8f86\u3002<\/p>\n<h2 id=\"code-specifics\">\u6545\u969c\u7801\u8be6\u60c5<\/h2>\n<p>P2457 \u662f\u9002\u7528\u4e8e 1996 \u5e74\u540e\u751f\u4ea7\u7684\u5404\u79cd\u8f66\u578b\u7684\u901a\u7528\u52a8\u529b\u7cfb\u7edf\u6545\u969c\u7801\uff0c\u5305\u62ec\u798f\u7279\u3001\u9053\u5947\u3001GMC\u3001\u96ea\u4f5b\u5170\u7b49\u54c1\u724c\u3002\u5b83\u7279\u522b\u6307\u4e0e EGR \u51b7\u5374\u7cfb\u7edf\u6027\u80fd\u4f4e\u4e8e\u9884\u671f\u9608\u503c\u6709\u5173\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5f53\u52a8\u529b\u7cfb\u7edf\u63a7\u5236\u6a21\u5757 (PCM) \u68c0\u6d4b\u5230 EGR \u51b7\u5374\u7cfb\u7edf\u672a\u80fd\u6709\u6548\u5de5\u4f5c\u4ee5\u6ee1\u8db3\u7f16\u7a0b\u89c4\u683c\u65f6\uff0c\u4f1a\u89e6\u53d1\u8be5\u4ee3\u7801\u3002<\/p>\n<h2 id=\"components-involved\">\u6d89\u53ca\u7684\u7ec4\u4ef6<\/h2>\n<p>EGR \u51b7\u5374\u7cfb\u7edf\u901a\u5e38\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>EGR \u51b7\u5374\u5668<\/li>\n<li>EGR \u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u8f85\u52a9\u6392\u6c14\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u53d1\u52a8\u673a\u51b7\u5374\u6db2<\/li>\n<li>\u51b7\u5374\u6db2\u901a\u9053\u548c\u8f6f\u7ba1<\/li>\n<\/ol>\n<p>EGR \u51b7\u5374\u5668\u7684\u8bbe\u8ba1\u7c7b\u4f3c\u4e8e\u5c0f\u578b\u6563\u70ed\u5668\uff0c\u51b7\u5374\u6db2\u5728\u6392\u6c14\u7ba1\u6216\u7ba1\u9053\u5468\u56f4\u6d41\u52a8\uff0c\u5229\u7528\u53d1\u52a8\u673a\u51b7\u5374\u6db2\u964d\u4f4e\u8fdb\u5165 EGR \u9600\u4e4b\u524d\u7684\u6392\u6c14\u6e29\u5ea6\u3002<\/p>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>\u5bfc\u81f4 P2457 \u6545\u969c\u7801\u7684\u51e0\u79cd\u56e0\u7d20\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>EGR \u51b7\u5374\u5668\u5835\u585e\u6216\u53d7\u9650<\/li>\n<li>\u53d1\u52a8\u673a\u51b7\u5374\u7cfb\u7edf\u6cc4\u6f0f\u6216\u9650\u5236<\/li>\n<li>EGR \u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u8f85\u52a9\u6392\u6c14\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u51b7\u5374\u6db2\u6c61\u67d3<\/li>\n<li>\u70ed\u51b2\u51fb\u5bf9 EGR \u51b7\u5374\u5668\u7684\u635f\u574f<\/li>\n<\/ol>\n<h2 id=\"diagnostic-procedure\">\u8bca\u65ad\u6b65\u9aa4<\/h2>\n<p>\u8bca\u65ad P2457 \u6545\u969c\u7801\u65f6\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528 OBD-II \u626b\u63cf\u4eea\u68c0\u7d22\u6240\u6709\u5b58\u50a8\u7684\u6545\u969c\u7801\u548c\u51bb\u7ed3\u5e27\u6570\u636e\u3002<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5\u4e0e EGR \u6e29\u5ea6\u4f20\u611f\u5668\u548c\u6392\u6c14\u6e29\u5ea6\u4f20\u611f\u5668\u76f8\u5173\u7684\u7ebf\u675f\u548c\u8fde\u63a5\u5668\u3002<\/li>\n<li>\u68c0\u67e5\u53d1\u52a8\u673a\u51b7\u5374\u6db2\u7684\u6db2\u4f4d\u548c\u8d28\u91cf\u3002<\/li>\n<li>\u4f7f\u7528\u626b\u63cf\u4eea\u89c2\u5bdf EGR \u6e29\u5ea6\u4f20\u611f\u5668\u548c\u8f85\u52a9\u6392\u6c14\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u6570\u636e\u6d41\u3002<\/li>\n<li>\u5982\u679c\u4f20\u611f\u5668\u6570\u636e\u4e0d\u7a33\u5b9a\uff0c\u8bf7\u6839\u636e\u5236\u9020\u5546\u89c4\u683c\u6d4b\u8bd5\u4f20\u611f\u5668\u3002<\/li>\n<li>\u4f7f\u7528\u7ea2\u5916\u6d4b\u6e29\u4eea\u5728\u53d1\u52a8\u673a\u6b63\u5e38\u5de5\u4f5c\u6e29\u5ea6\u4e0b\u6d4b\u91cf EGR \u51b7\u5374\u5668\u8fdb\u51fa\u53e3\u7684\u6392\u6c14\u6e29\u5ea6\u3002<\/li>\n<\/ol>\n<h2 id=\"solutions-and-repairs\">\u89e3\u51b3\u65b9\u6848\u4e0e\u7ef4\u4fee<\/h2>\n<p>\u6839\u636e\u8bca\u65ad\u7ed3\u679c\uff0c\u53ef\u80fd\u7684\u4fee\u590d\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\u6e05\u6d01\u6216\u66f4\u6362 EGR \u51b7\u5374\u5668<\/li>\n<li>\u4fee\u590d\u51b7\u5374\u6db2\u6cc4\u6f0f<\/li>\n<li>\u66f4\u6362\u6545\u969c\u4f20\u611f\u5668<\/li>\n<li>\u51b2\u6d17\u5e76\u91cd\u65b0\u586b\u5145\u51b7\u5374\u7cfb\u7edf<\/li>\n<li>\u4fee\u7406\u6216\u66f4\u6362\u635f\u574f\u7684\u7ebf\u675f\u6216\u8fde\u63a5\u5668<\/li>\n<\/ol>\n<p>\u59cb\u7ec8\u53c2\u8003\u8f66\u8f86\u7ef4\u4fee\u624b\u518c\u4ee5\u83b7\u53d6\u7279\u5b9a\u8f66\u578b\u7684\u7ef4\u4fee\u7a0b\u5e8f\u3002<\/p>\n<h2 id=\"prevention\">\u9884\u9632\u63aa\u65bd<\/h2>\n<p>\u4e3a\u9632\u6b62 P2457 \u6545\u969c\u7801\u51fa\u73b0\uff1a<\/p>\n<ol>\n<li>\u5b9a\u671f\u7ef4\u62a4\u51b7\u5374\u7cfb\u7edf\uff0c\u5305\u62ec\u6309\u7167\u5efa\u8bae\u95f4\u9694\u8fdb\u884c\u51b7\u5374\u6db2\u51b2\u6d17\u3002<\/li>\n<li>\u4f7f\u7528\u5236\u9020\u5546\u63a8\u8350\u7684\u9ad8\u8d28\u91cf\u51b7\u5374\u6db2\u3002<\/li>\n<li>\u53ca\u65f6\u5904\u7406\u51b7\u5374\u6db2\u6cc4\u6f0f\u95ee\u9898\u3002<\/li>\n<li>\u786e\u4fdd\u53d1\u52a8\u673a\u5728\u6b63\u5e38\u7684\u5de5\u4f5c\u6e29\u5ea6\u4e0b\u8fd0\u884c\u3002<\/li>\n<\/ol>\n<h2 id=\"cost-analysis\">\u6210\u672c\u5206\u6790<\/h2>\n<p>\u7ef4\u4fee\u6210\u672c\u56e0\u5177\u4f53\u95ee\u9898\u548c\u8f66\u578b\u4e0d\u540c\u800c\u6709\u5f88\u5927\u5dee\u5f02\u3002\u4ee5\u4e0b\u662f\u5927\u81f4\u7684\u8d39\u7528\u8303\u56f4\uff1a<\/p>\n<ul>\n<li>\u8bca\u65ad\u8d39\u7528\uff1a$75-$150 (\u20ac63-\u20ac126)<\/li>\n<li>EGR \u51b7\u5374\u5668\u66f4\u6362\uff1a$270-$4000+ (\u20ac227-\u20ac3370+)<\/li>\n<li>EGR \u6e29\u5ea6\u4f20\u611f\u5668\u66f4\u6362\uff1a$100-$300 (\u20ac84-\u20ac252)<\/li>\n<li>\u4eba\u5de5\u6210\u672c\uff1a\u6bcf\u5c0f\u65f6 $100-$200 (\u20ac84-\u20ac168)<\/li>\n<\/ul>\n<p>\u603b\u8d39\u7528\u53ef\u80fd\u4ece $375 \u5230\u8d85\u8fc7 $4500 (\u20ac315 \u5230 \u20ac3790+) \u4e0d\u7b49\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6240\u9700\u7684\u7ef4\u4fee\u548c\u8f66\u8f86\u54c1\u724c\/\u578b\u53f7\u3002<\/p>\n<h2 id=\"related-issues\">\u76f8\u5173\u95ee\u9898<\/h2>\n<p>P2457 \u6545\u969c\u7801\u53ef\u80fd\u4f34\u968f\u5176\u4ed6 EGR \u76f8\u5173\u6545\u969c\u7801\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0401-exhaust-gas-recirculation-flow-insufficient-detected-a-technical-description\/\" title=\"P0401\uff1aEGR \u6d41\u91cf\u4e0d\u8db3\">P0401\uff1aEGR \u6d41\u91cf\u4e0d\u8db3<\/a><\/li>\n<li>P0402\uff1aEGR \u6d41\u91cf\u8fc7\u591a<\/li>\n<li>P0404\uff1aEGR \u7535\u8def\u8303\u56f4\/\u6027\u80fd<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u6545\u969c\u7801\u901a\u5e38\u8868\u660e EGR \u7cfb\u7edf\u5185\u90e8\u5b58\u5728\u66f4\u5e7f\u6cdb\u7684\u95ee\u9898\uff0c\u53ef\u80fd\u9700\u8981\u5168\u9762\u7684\u8bca\u65ad\u548c\u7ef4\u4fee\u3002<\/p>\n<p>\u901a\u8fc7\u4e86\u89e3 P2457 \u6545\u969c\u7801\u7684\u590d\u6742\u6027\uff0c\u5de5\u7a0b\u5e08\u548c\u6280\u5e08\u53ef\u4ee5\u6709\u6548\u8bca\u65ad\u548c\u89e3\u51b3 EGR \u51b7\u5374\u7cfb\u7edf\u6027\u80fd\u95ee\u9898\uff0c\u786e\u4fdd\u6700\u4f73\u7684\u53d1\u52a8\u673a\u8fd0\u884c\u548c\u6392\u653e\u63a7\u5236\u3002<\/p>\n<h2 id=\"p2457-code-faq\">\u5173\u4e8e P2457 \u7684\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h2>\n<h3>\u4ec0\u4e48\u662f P2457 \u6545\u969c\u7801\uff1f<\/h3>\n<p>P2457 \u8868\u793a\u201c\u6392\u6c14\u518d\u5faa\u73af (EGR) \u51b7\u5374\u7cfb\u7edf\u6027\u80fd\u201d\u3002\u5b83\u8868\u660e\u52a8\u529b\u7cfb\u7edf\u63a7\u5236\u6a21\u5757 (PCM) \u68c0\u6d4b\u5230 EGR \u51b7\u5374\u7cfb\u7edf\u6548\u7387\u5b58\u5728\u95ee\u9898\u3002<\/p>\n<h3>P2457 \u6545\u969c\u7801\u6709\u591a\u7d27\u6025\uff1f<\/h3>\n<p>\u867d\u7136\u4e0d\u662f\u7acb\u5373\u9700\u8981\u5904\u7406\u7684\u95ee\u9898\uff0c\u4f46 P2457 \u4e0d\u5e94\u88ab\u5ffd\u89c6\u3002\u60a8\u53ef\u4ee5\u7ee7\u7eed\u9a7e\u9a76\uff0c\u4f46\u5efa\u8bae\u5c3d\u5feb\u8ba9\u4e13\u4e1a\u6280\u5e08\u68c0\u67e5\u95ee\u9898\u3002<\/p>\n<h3>P2457 \u662f\u901a\u7528\u6545\u969c\u7801\u8fd8\u662f\u5236\u9020\u5546\u7279\u5b9a\u7684\u6545\u969c\u7801\uff1f<\/h3>\n<p>P2457 \u662f\u9002\u7528\u4e8e 1996 \u5e74\u540e\u751f\u4ea7\u7684\u5404\u79cd\u8f66\u578b\u7684\u901a\u7528\u52a8\u529b\u7cfb\u7edf\u6545\u969c\u7801\uff0c\u5305\u62ec\u798f\u7279\u3001\u9053\u5947\u3001GMC \u548c\u96ea\u4f5b\u5170\u7b49\u54c1\u724c\u3002<\/p>\n<h3>\u4e0e P2457 \u6545\u969c\u7801\u76f8\u5173\u7684\u4e3b\u8981\u7ec4\u4ef6\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u4e3b\u8981\u7ec4\u4ef6\u5305\u62ec EGR \u51b7\u5374\u5668\u3001EGR \u6e29\u5ea6\u4f20\u611f\u5668\u3001\u8f85\u52a9\u6392\u6c14\u6e29\u5ea6\u4f20\u611f\u5668\u3001\u53d1\u52a8\u673a\u51b7\u5374\u6db2\u548c\u51b7\u5374\u6db2\u901a\u9053\u53ca\u8f6f\u7ba1\u3002<\/p>\n<h3>P2457 \u6545\u969c\u7801\u7684\u5e38\u89c1\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5e38\u89c1\u539f\u56e0\u5305\u62ec EGR \u51b7\u5374\u5668\u5835\u585e\u6216\u53d7\u9650\u3001\u53d1\u52a8\u673a\u51b7\u5374\u7cfb\u7edf\u6cc4\u6f0f\u6216\u9650\u5236\u3001EGR \u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c\u3001\u8f85\u52a9\u6392\u6c14\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c\u3001\u51b7\u5374\u6db2\u6c61\u67d3\u548c\u70ed\u51b2\u51fb\u5bf9 EGR \u51b7\u5374\u5668\u7684\u635f\u574f\u3002<\/p>\n<h3>P2457 \u6545\u969c\u7801\u53ef\u80fd\u5bfc\u81f4\u54ea\u4e9b\u75c7\u72b6\uff1f<\/h3>\n<p>\u75c7\u72b6\u53ef\u80fd\u5305\u62ec\u53d1\u52a8\u673a\u6545\u969c\u706f\u4eae\u8d77\u548c\u53d1\u52a8\u673a\u6027\u80fd\u4e0b\u964d\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u8f66\u8f86\u53ef\u80fd\u4f1a\u8fdb\u5165\u201c\u8ddb\u884c\u6a21\u5f0f\u201d\u3002<\/p>\n<h3>P2457 \u6545\u969c\u7801\u5982\u4f55\u8bca\u65ad\uff1f<\/h3>\n<p>\u8bca\u65ad\u901a\u5e38\u5305\u62ec\u4f7f\u7528 OBD-II \u626b\u63cf\u4eea\u8bfb\u53d6\u6545\u969c\u7801\uff0c\u76ee\u89c6\u68c0\u67e5\u7ebf\u675f\u548c\u8fde\u63a5\u5668\uff0c\u68c0\u67e5\u51b7\u5374\u6db2\u6db2\u4f4d\uff0c\u5e76\u4f7f\u7528\u4e13\u4e1a\u5de5\u5177\u6d4b\u91cf\u6392\u6c14\u6e29\u5ea6\u3002<\/p>\n<h3>\u6211\u53ef\u4ee5\u81ea\u5df1\u8bca\u65ad\u548c\u4fee\u590d P2457 \u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u4e00\u4e9b\u8bca\u65ad\u6b65\u9aa4\u53ef\u4ee5\u7531\u6709\u7ecf\u9a8c\u7684 DIY \u8f66\u4e3b\u5b8c\u6210\uff0c\u4f46\u4fee\u590d\u95ee\u9898\u901a\u5e38\u9700\u8981\u4e13\u4e1a\u7684\u5de5\u5177\u548c\u77e5\u8bc6\u3002\u5efa\u8bae\u7531\u4e13\u4e1a\u6280\u5e08\u5904\u7406\u4fee\u7406\u3002<\/p>\n<h3>\u4fee\u590d P2457 \u6545\u969c\u7801\u53ef\u80fd\u9700\u8981\u54ea\u4e9b\u7ef4\u4fee\uff1f<\/h3>\n<p>\u7ef4\u4fee\u53ef\u80fd\u5305\u62ec\u6e05\u6d01\u6216\u66f4\u6362 EGR \u51b7\u5374\u5668\u3001\u4fee\u590d\u51b7\u5374\u6db2\u6cc4\u6f0f\u3001\u66f4\u6362\u6545\u969c\u4f20\u611f\u5668\u3001\u51b2\u6d17\u548c\u91cd\u65b0\u586b\u5145\u51b7\u5374\u7cfb\u7edf\u6216\u4fee\u7406\u635f\u574f\u7684\u7ebf\u675f\u6216\u8fde\u63a5\u5668\u3002<\/p>\n<h3>\u5982\u4f55\u9884\u9632 P2457 \u6545\u969c\u7801\uff1f<\/h3>\n<p>\u5b9a\u671f\u7ef4\u62a4\u51b7\u5374\u7cfb\u7edf\uff0c\u4f7f\u7528\u9ad8\u8d28\u91cf\u7684\u51b7\u5374\u6db2\uff0c\u53ca\u65f6\u89e3\u51b3\u51b7\u5374\u6db2\u6cc4\u6f0f\uff0c\u5e76\u786e\u4fdd\u53d1\u52a8\u673a\u4fdd\u6301\u5728\u9002\u5f53\u7684\u5de5\u4f5c\u6e29\u5ea6\uff0c\u53ef\u4ee5\u5e2e\u52a9\u9632\u6b62\u6b64\u95ee\u9898\u7684\u53d1\u751f\u3002<\/p>\n<h3>EGR \u51b7\u5374\u7cfb\u7edf\u7684\u529f\u80fd\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>EGR \u51b7\u5374\u7cfb\u7edf\u65e8\u5728\u964d\u4f4e\u8fdb\u5165 EGR \u9600\u4e4b\u524d\u7684\u6392\u6c14\u6e29\u5ea6\uff0c\u5e2e\u52a9\u51cf\u5c11\u6c2e\u6c27\u5316\u7269 (NOx) \u6392\u653e\u3002<\/p>\n<h3>EGR \u51b7\u5374\u5668\u5982\u4f55\u5de5\u4f5c\uff1f<\/h3>\n<p>EGR \u51b7\u5374\u5668\u8bbe\u8ba1\u7c7b\u4f3c\u4e8e\u5c0f\u578b\u6563\u70ed\u5668\uff0c\u51b7\u5374\u6db2\u5728\u6392\u6c14\u7ba1\u6216\u7ba1\u9053\u5468\u56f4\u6d41\u52a8\uff0c\u4ee5\u964d\u4f4e\u6392\u6c14\u6e29\u5ea6\u3002<\/p>\n<h3>P2457 \u6545\u969c\u7801\u4e0b\u53ef\u4ee5\u7ee7\u7eed\u9a7e\u9a76\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u53ef\u4ee5\u7ee7\u7eed\u9a7e\u9a76\uff0c\u4f46\u4e0d\u5efa\u8bae\u957f\u65f6\u95f4\u5ffd\u89c6\u8be5\u4ee3\u7801\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u4f1a\u968f\u7740\u65f6\u95f4\u63a8\u79fb\u5bfc\u81f4\u53d1\u52a8\u673a\u6027\u80fd\u4e0b\u964d\u548c\u6392\u653e\u91cf\u589e\u52a0\u3002<\/p>\n<h3>\u8bca\u65ad P2457 \u6545\u969c\u7801\u9700\u8981\u54ea\u4e9b\u5de5\u5177\uff1f<\/h3>\n<p>\u8bca\u65ad\u5de5\u5177\u5305\u62ec OBD-II \u626b\u63cf\u4eea\u3001\u6570\u5b57\u7535\u538b\/\u6b27\u59c6\u8868\u3001\u7ea2\u5916\u6d4b\u6e29\u4eea\uff0c\u4ee5\u53ca\u53ef\u80fd\u9700\u8981\u5236\u9020\u5546\u7279\u5b9a\u7684\u8bca\u65ad\u8bbe\u5907\u3002<\/p>\n<h3>\u4fee\u590d P2457 \u6545\u969c\u7801\u95ee\u9898\u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u7ef4\u4fee\u8d39\u7528\u53ef\u80fd\u56e0\u5177\u4f53\u95ee\u9898\u548c\u8f66\u578b\u800c\u6709\u5f88\u5927\u5dee\u5f02\uff0c\u8d39\u7528\u8303\u56f4\u4ece $375 \u5230\u8d85\u8fc7 $4500 (\u20ac315 \u5230 \u20ac3790+) \u4e0d\u7b49\u3002<\/p>\n<h3>P2457 \u6545\u969c\u7801\u901a\u5e38\u4e0e\u54ea\u4e9b\u5176\u4ed6\u4ee3\u7801\u4e00\u8d77\u51fa\u73b0\uff1f<\/h3>\n<p>\u76f8\u5173\u4ee3\u7801\u53ef\u80fd\u5305\u62ec <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>\u3001P0402\uff08EGR \u6d41\u91cf\u8fc7\u591a\uff09\u548c P0404\uff08EGR \u7535\u8def\u8303\u56f4\/\u6027\u80fd\uff09\u3002<\/p>\n<h3>\u8bca\u65ad\u548c\u4fee\u590d P2457 \u6545\u969c\u7801\u901a\u5e38\u9700\u8981\u591a\u957f\u65f6\u95f4\uff1f<\/h3>\n<p>\u8bca\u65ad\u53ef\u80fd\u9700\u8981 1-2 \u5c0f\u65f6\uff0c\u800c\u4fee\u590d\u65f6\u95f4\u6839\u636e\u5177\u4f53\u95ee\u9898\u4e0d\u540c\uff0c\u53ef\u80fd\u4ece 2-8 \u5c0f\u65f6\u6216\u66f4\u957f\u65f6\u95f4\u3002<\/p>\n<h3>\u5982\u679c\u4e0d\u89e3\u51b3 P2457 \u6545\u969c\u7801\uff0c\u662f\u5426\u4f1a\u5bf9\u53d1\u52a8\u673a\u9020\u6210\u635f\u574f\uff1f<\/h3>\n<p>\u867d\u7136\u4e0d\u4f1a\u7acb\u5373\u9020\u6210\u635f\u574f\uff0c\u4f46\u957f\u671f\u5ffd\u89c6\u8be5\u6545\u969c\u7801\u53ef\u80fd\u5bfc\u81f4\u53d1\u52a8\u673a\u78e8\u635f\u589e\u52a0\u3001\u71c3\u6cb9\u6548\u7387\u4e0b\u964d\uff0c\u4ee5\u53ca\u53ef\u80fd\u635f\u574f\u5176\u4ed6\u6392\u653e\u63a7\u5236\u7ec4\u4ef6\u3002<\/p>\n<h3>P2457 \u6545\u969c\u7801\u662f\u5426\u4f1a\u5bfc\u81f4\u6211\u7684\u8f66\u8f86\u6392\u653e\u6d4b\u8bd5\u5931\u8d25\uff1f<\/h3>\n<p>\u662f\u7684\uff0cP2457 \u6545\u969c\u7801\u5f88\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8f66\u8f86\u6392\u653e\u6d4b\u8bd5\u5931\u8d25\uff0c\u56e0\u4e3a\u5b83\u8868\u660e\u6392\u6c14\u518d\u5faa\u73af\u7cfb\u7edf\u5b58\u5728\u95ee\u9898\uff0c\u800c\u8be5\u7cfb\u7edf\u5bf9\u4e8e\u63a7\u5236\u6392\u653e\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>\u6781\u7aef\u5929\u6c14\u6761\u4ef6\u4f1a\u89e6\u53d1 P2457 \u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u6781\u7aef\u6e29\u5ea6\u4e0d\u662f\u76f4\u63a5\u539f\u56e0\uff0c\u4f46\u5b83\u53ef\u80fd\u52a0\u5267 EGR \u51b7\u5374\u7cfb\u7edf\u4e2d\u73b0\u6709\u7684\u95ee\u9898\uff0c\u5bfc\u81f4 P2457 \u6545\u969c\u7801\u7684\u89e6\u53d1\u3002<\/p>\n<p>\u672c\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\u6db5\u76d6\u4e86\u4e0e P2457 \u6545\u969c\u7801\u76f8\u5173\u7684\u5e7f\u6cdb\u5185\u5bb9\uff0c\u5305\u62ec\u5176\u542b\u4e49\u3001\u539f\u56e0\u3001\u8bca\u65ad\u3001\u4fee\u590d\u548c\u9884\u9632\u3002\u8fd9\u4e3a DIY \u7231\u597d\u8005\u548c\u90a3\u4e9b\u5e0c\u671b\u5728\u54a8\u8be2\u4e13\u4e1a\u6280\u5e08\u524d\u4e86\u89e3\u95ee\u9898\u7684\u4eba\u63d0\u4f9b\u4e86\u5168\u9762\u7684\u6982\u8ff0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>P2457\uff1a\u6392\u6c14\u518d\u5faa\u73af (EGR) \u51b7\u5374\u7cfb\u7edf\u6027\u80fd P2457 \u8bca\u65ad\u6545\u969c\u7801 (DTC) \u8868\u793a\u6392\u6c14\u518d\u5faa\u73af (EGR<\/p>\n","protected":false},"author":13,"featured_media":287434,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-287891","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\/287891","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=287891"}],"version-history":[{"count":4,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/287891\/revisions"}],"predecessor-version":[{"id":288647,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/287891\/revisions\/288647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/media\/287434"}],"wp:attachment":[{"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/media?parent=287891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/categories?post=287891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/tags?post=287891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}