{"id":287858,"date":"2024-10-24T06:20:57","date_gmt":"2024-10-24T06:20:57","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287858"},"modified":"2024-11-04T13:55:25","modified_gmt":"2024-11-04T13:55:25","slug":"p229f-nox-sensor-heater-control-circuit-bank-1-sensor-1","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p229f-nox-sensor-heater-control-circuit-bank-1-sensor-1\/","title":{"rendered":"P229F &#8211; \u6c2e\u6c27\u5316\u7269\u4f20\u611f\u5668\u52a0\u70ed\u5668\u63a7\u5236\u7535\u8def\u6545\u969c\uff08\u7b2c\u4e00\u6392\uff0c\u4f20\u611f\u5668 1\uff09"},"content":{"rendered":"<h2 id=\"urgency-and-driving-implications\">\u7d27\u6025\u6027\u4e0e\u9a7e\u9a76\u5f71\u54cd<\/h2>\n<p>P229F \u6545\u969c\u7801\u8868\u660e\u6c2e\u6c27\u5316\u7269 (NOx) \u4f20\u611f\u5668\u7535\u8def\u53ef\u80fd\u5b58\u5728\u95ee\u9898\uff0c\u7279\u522b\u662f\u6d89\u53ca\u7b2c\u4e00\u6392\uff0c\u4f20\u611f\u5668 2\u3002\u867d\u7136\u8fd9\u4e2a\u6545\u969c\u7801\u4e0d\u662f\u7acb\u523b\u9700\u8981\u7d27\u6025\u5904\u7406\u7684\u95ee\u9898\uff0c\u4f46\u4e5f\u4e0d\u5e94\u5ffd\u89c6\u3002\u60a8\u53ef\u4ee5\u7ee7\u7eed\u9a7e\u9a76\uff0c\u4f46\u5efa\u8bae\u5c3d\u5feb\u8bca\u65ad\u5e76\u4fee\u590d\u95ee\u9898\uff0c\u4ee5\u9632\u6b62\u50ac\u5316\u8f6c\u6362\u5668\u53d7\u635f\u5e76\u786e\u4fdd\u6b63\u786e\u7684\u6392\u653e\u63a7\u5236\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u4f5c\u4e3a\u4e00\u540d\u6280\u5e08\uff0c\u6211\u53d1\u73b0\u6211\u4eec\u8f66\u95f4\u9891\u7e41\u51fa\u73b0 P229F \u6545\u969c\u7801\uff0c\u5c24\u5176\u662f\u5728\u6b27\u6d32\u8f66\u578b\u4e2d\u3002\u6211\u4eec\u6700\u5e38\u5728\u6885\u8d5b\u5fb7\u65af-\u5954\u9a70\u7684 ML250 \u548c GLK \u7cfb\u5217\uff0c\u4ee5\u53ca\u5b9d\u9a6c X5 \u548c X6 \u8f66\u578b\u4e2d\u89c1\u5230\u8fd9\u4e2a\u95ee\u9898\u3002\u6377\u8c79 XE \u7684\u8f66\u4e3b\u4e5f\u62a5\u544a\u8fc7\u8fd9\u4e2a\u95ee\u9898\u3002\u5728\u6211\u7684\u7ecf\u9a8c\u4e2d\uff0c\u8fd9\u4e2a\u6545\u969c\u7801\u901a\u5e38\u6307\u5411\u6545\u969c\u7684 NOx \u4f20\u611f\u5668\uff0c\u4f46\u6211\u4eec\u4e5f\u9047\u5230\u8fc7\u4f4e DEF\uff08\u67f4\u6cb9\u5c3e\u6c14\u5904\u7406\u6db2\uff09\u6c34\u5e73\u6216\u7531\u4e8e\u8fde\u63a5\u4e0d\u826f\u5bfc\u81f4\u7684\u901a\u4fe1\u9519\u8bef\u3002\u867d\u7136\u4e0d\u5e38\u89c1\uff0c\u4f46\u6211\u4eec\u4e5f\u5728\u4e00\u4e9b\u7f8e\u56fd\u548c\u4e9a\u6d32\u67f4\u6cb9\u8f66\u4e2d\u89c1\u5230\u8fc7\u6b64\u6545\u969c\u7801\u3002\u7279\u522b\u662f\u5728\u914d\u5907\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f (SCR) \u7cfb\u7edf\u7684\u6b27\u6d32\u67f4\u6cb9\u8f66\u4e2d\uff0c\u8fd9\u4e2a\u6545\u969c\u7801\u7684\u9891\u7387\u8f83\u9ad8\uff0c\u4f7f\u6211\u4eec\u5bf9\u8bca\u65ad\u548c\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u66f4\u52a0\u719f\u6089\u548c\u9ad8\u6548\u3002<\/p>\n<\/div>\n<h2 id=\"code-definition-and-meaning\">\u6545\u969c\u7801\u5b9a\u4e49\u4e0e\u542b\u4e49<\/h2>\n<p>P229F \u662f\u4e0e\u8f66\u8f86\u6392\u653e\u63a7\u5236\u7cfb\u7edf\u76f8\u5173\u7684\u901a\u7528\u52a8\u529b\u7cfb\u7edf\u6545\u969c\u7801\u3002\u5b83\u5177\u4f53\u8868\u793a\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757 (ECM) \u68c0\u6d4b\u5230\u7b2c\u4e00\u6392\uff0c\u4f20\u611f\u5668 2 \u7684 NOx \u4f20\u611f\u5668\u7535\u8def\u5b58\u5728\u8303\u56f4\u6216\u6027\u80fd\u95ee\u9898\u3002\u8fd9\u4e2a\u4f20\u611f\u5668\u5bf9\u76d1\u6d4b\u5e9f\u6c14\u6392\u653e\u548c\u786e\u4fdd\u67f4\u6cb9\u53d1\u52a8\u673a\u7684\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f (SCR) \u7cfb\u7edf\u7684\u6b63\u5e38\u529f\u80fd\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2 id=\"applicability-across-vehicle-makes-models\">\u9002\u7528\u4e8e\u4e0d\u540c\u54c1\u724c\/\u8f66\u578b<\/h2>\n<p>\u867d\u7136 P229F \u662f\u4e00\u4e2a\u901a\u7528 OBD-II \u6545\u969c\u7801\uff0c\u4f46\u5728\u4e0d\u540c\u7684\u8f66\u8f86\u5236\u9020\u5546\u4e2d\uff0c\u5b83\u7684\u8868\u73b0\u548c\u5177\u4f53\u5f71\u54cd\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002\u8be5\u6545\u969c\u7801\u5e38\u89c1\u4e8e\u67f4\u6cb9\u9a71\u52a8\u8f66\u8f86\uff0c\u7279\u522b\u662f\u6885\u8d5b\u5fb7\u65af-\u5954\u9a70\u3001\u5b9d\u9a6c\u548c\u6377\u8c79\u7b49\u54c1\u724c\u3002\u7136\u800c\uff0c\u4f20\u611f\u5668\u7684\u5177\u4f53\u4f4d\u7f6e\u548c\u8bca\u65ad\u7a0b\u5e8f\u53ef\u80fd\u4f1a\u56e0\u54c1\u724c\u548c\u8f66\u578b\u7684\u4e0d\u540c\u800c\u6709\u6240\u5dee\u5f02\u3002<\/p>\n<h2 id=\"components-involved-and-their-functions\">\u6d89\u53ca\u7684\u7ec4\u4ef6\u53ca\u5176\u529f\u80fd<\/h2>\n<p><strong>NOx \u4f20\u611f\u5668<\/strong>\uff1a\u6b64\u4f20\u611f\u5668\u6d4b\u91cf\u5e9f\u6c14\u4e2d\u7684\u6c2e\u6c27\u5316\u7269\u6d53\u5ea6\u3002\u5b83\u5728\u8f66\u8f86\u7684\u6392\u653e\u63a7\u5236\u7cfb\u7edf\u4e2d\u626e\u6f14\u5173\u952e\u89d2\u8272\uff0c\u7279\u522b\u662f\u5728\u914d\u5907 SCR \u6280\u672f\u7684\u67f4\u6cb9\u53d1\u52a8\u673a\u4e2d\u3002<\/p>\n<p><strong>\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757 (ECM)<\/strong>\uff1aECM \u4f7f\u7528 NOx \u4f20\u611f\u5668\u7684\u6570\u636e\u6765\u8c03\u6574\u71c3\u6cb9\u55b7\u5c04\u7684\u65f6\u95f4\u548c\u6570\u91cf\uff0c\u5e76\u63a7\u5236 SCR \u7cfb\u7edf\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u6392\u653e\u51cf\u5c11\u3002<\/p>\n<p><strong>\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f (SCR) \u7cfb\u7edf<\/strong>\uff1a\u8be5\u7cfb\u7edf\u4f7f\u7528\u67f4\u6cb9\u5c3e\u6c14\u5904\u7406\u6db2 (DEF) \u5c06\u6709\u5bb3\u7684\u6c2e\u6c27\u5316\u7269\u6392\u653e\u8f6c\u5316\u4e3a\u65e0\u5bb3\u7684\u6c2e\u6c14\u548c\u6c34\u3002<\/p>\n<h2 id=\"common-root-causes\">\u5e38\u89c1\u6839\u672c\u539f\u56e0<\/h2>\n<ol>\n<li>NOx \u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>NOx \u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7ebf\u675f\u95ee\u9898<\/li>\n<li>\u8fde\u63a5\u5668\u8150\u8680\u6216\u635f\u574f<\/li>\n<li>ECM \u8f6f\u4ef6\u95ee\u9898<\/li>\n<li>\u5f71\u54cd\u4f20\u611f\u5668\u8bfb\u6570\u7684\u6392\u6c14\u6cc4\u6f0f<\/li>\n<li>\u53d7\u6c61\u67d3\u6216\u4e0d\u5408\u683c\u7684 DEF \u6db2\u4f53<\/li>\n<\/ol>\n<h2 id=\"step-by-step-diagnostic-procedure\">\u9010\u6b65\u8bca\u65ad\u7a0b\u5e8f<\/h2>\n<ol>\n<li>\u8fde\u63a5 OBD-II \u626b\u63cf\u4eea\u5e76\u786e\u8ba4 P229F \u6545\u969c\u7801\u3002<\/li>\n<li>\u68c0\u67e5\u662f\u5426\u6709\u5176\u4ed6\u76f8\u5173\u7684\u6545\u969c\u7801\u3002<\/li>\n<li>\u68c0\u67e5 NOx \u4f20\u611f\u5668\u7684\u7ebf\u675f\u548c\u8fde\u63a5\u5668\u662f\u5426\u6709\u660e\u663e\u7684\u635f\u574f\u6216\u8150\u8680\u3002<\/li>\n<li>\u4f7f\u7528\u4e07\u7528\u8868\u68c0\u67e5 NOx \u4f20\u611f\u5668\u7684\u7535\u6e90\u548c\u63a5\u5730\u8fde\u63a5\u3002<\/li>\n<li>\u9a8c\u8bc1 DEF \u7684\u8d28\u91cf\u548c\u6db2\u4f4d\u3002<\/li>\n<li>\u5bf9\u6392\u6c14\u7cfb\u7edf\u8fdb\u884c\u76ee\u89c6\u68c0\u67e5\uff0c\u67e5\u770b\u662f\u5426\u6709\u6cc4\u6f0f\u3002<\/li>\n<li>\u4f7f\u7528\u626b\u63cf\u5de5\u5177\u67e5\u770b NOx \u4f20\u611f\u5668\u7684\u5b9e\u65f6\u6570\u636e\uff0c\u5e76\u4e0e\u9884\u671f\u503c\u8fdb\u884c\u6bd4\u8f83\u3002<\/li>\n<li>\u5982\u679c\u53ef\u80fd\uff0c\u8fdb\u884c SCR \u7cfb\u7edf\u7684\u53cc\u5411\u63a7\u5236\u6d4b\u8bd5\u3002<\/li>\n<li>\u68c0\u67e5\u662f\u5426\u6709\u53ef\u7528\u7684 ECM \u8f6f\u4ef6\u66f4\u65b0\u3002<\/li>\n<\/ol>\n<h2 id=\"potential-solutions-and-repair-options\">\u6f5c\u5728\u89e3\u51b3\u65b9\u6848\u4e0e\u7ef4\u4fee\u9009\u9879<\/h2>\n<ol>\n<li>\u66f4\u6362\u6545\u969c\u7684 NOx \u4f20\u611f\u5668\u3002<\/li>\n<li>\u4fee\u590d\u6216\u66f4\u6362\u635f\u574f\u7684\u7ebf\u675f\u6216\u8fde\u63a5\u5668\u3002<\/li>\n<li>\u6e05\u6d01\u8150\u8680\u7684\u8fde\u63a5\u70b9\u5e76\u4f7f\u7528\u7535\u4ecb\u8d28\u6da6\u6ed1\u8102\u3002<\/li>\n<li>\u66f4\u65b0 ECM \u8f6f\u4ef6\uff08\u5982\u9002\u7528\uff09\u3002<\/li>\n<li>\u4fee\u590d\u4efb\u4f55\u6392\u6c14\u6cc4\u6f0f\u3002<\/li>\n<li>\u66f4\u6362\u53d7\u6c61\u67d3\u7684 DEF \u6db2\u4f53\u3002<\/li>\n<\/ol>\n<h2 id=\"preventive-measures\">\u9884\u9632\u63aa\u65bd<\/h2>\n<ol>\n<li>\u4f7f\u7528\u9ad8\u8d28\u91cf\u7684 DEF \u6db2\u4f53\uff0c\u5e76\u786e\u4fdd\u6b63\u786e\u5b58\u653e\u3002<\/li>\n<li>\u5b9a\u671f\u5bf9\u6392\u6c14\u7cfb\u7edf\u8fdb\u884c\u7ef4\u62a4\u3002<\/li>\n<li>\u907f\u514d\u77ed\u9014\u9a7e\u9a76\uff0c\u786e\u4fdd\u53d1\u52a8\u673a\u8fbe\u5230\u6700\u4f73\u5de5\u4f5c\u6e29\u5ea6\u3002<\/li>\n<li>\u4fdd\u6301\u7535\u6c14\u8fde\u63a5\u6e05\u6d01\uff0c\u9632\u6b62\u8150\u8680\u3002<\/li>\n<\/ol>\n<h2 id=\"estimated-repair-costs\">\u9884\u4f30\u7ef4\u4fee\u8d39\u7528<\/h2>\n<ul>\n<li>NOx \u4f20\u611f\u5668\u66f4\u6362\uff1a$400 &#8211; $800 \u7f8e\u5143\uff08\u20ac340 &#8211; \u20ac680 \u6b27\u5143\uff09<\/li>\n<li>\u7ebf\u675f\u4fee\u7406\uff1a$100 &#8211; $300 \u7f8e\u5143\uff08\u20ac85 &#8211; \u20ac255 \u6b27\u5143\uff09<\/li>\n<li>ECM \u8f6f\u4ef6\u66f4\u65b0\uff1a$100 &#8211; $200 \u7f8e\u5143\uff08\u20ac85 &#8211; \u20ac170 \u6b27\u5143\uff09<\/li>\n<\/ul>\n<p>\u4eba\u5de5\u6210\u672c\u56e0\u8f66\u578b\u548c\u5730\u533a\u7684\u4e0d\u540c\u800c\u6709\u6240\u53d8\u5316\u3002<\/p>\n<h2 id=\"diy-repair-guide-for-qualified-technicians\">DIY \u7ef4\u4fee\u6307\u5357\uff08\u9002\u5408\u6709\u7ecf\u9a8c\u7684\u6280\u5e08\uff09<\/h2>\n<ol>\n<li>\u627e\u5230\u7b2c\u4e00\u6392\uff0c\u4f20\u611f\u5668 2 \u7684 NOx \u4f20\u611f\u5668\uff0c\u901a\u5e38\u4f4d\u4e8e\u67f4\u6cb9\u5fae\u7c92\u8fc7\u6ee4\u5668 (DPF) \u4e4b\u540e\u3002<\/li>\n<li>\u65ad\u5f00\u7535\u6c60\u4ee5\u9632\u6b62\u7535\u6c14\u77ed\u8def\u3002<\/li>\n<li>\u62d4\u4e0b NOx \u4f20\u611f\u5668\u7684\u7535\u6c14\u8fde\u63a5\u5668\u3002<\/li>\n<li>\u79fb\u9664\u4efb\u4f55\u70ed\u5c4f\u853d\u6216\u969c\u788d\u7269\u4ee5\u8bbf\u95ee\u4f20\u611f\u5668\u3002<\/li>\n<li>\u4f7f\u7528\u4e13\u7528\u7684 NOx \u4f20\u611f\u5668\u5957\u7b52\u6216\u6273\u624b\u4ece\u6392\u6c14\u7ba1\u4e2d\u62c6\u5378\u4f20\u611f\u5668\u3002<\/li>\n<li>\u5b89\u88c5\u65b0\u4f20\u611f\u5668\uff0c\u786e\u4fdd\u9075\u5faa\u6b63\u786e\u7684\u626d\u77e9\u89c4\u683c\uff08\u901a\u5e38\u4e3a 20-30 Nm \u6216 15-22 \u82f1\u5c3a\u78c5\uff09\u3002<\/li>\n<li>\u91cd\u65b0\u8fde\u63a5\u7535\u6c14\u8fde\u63a5\u5668\uff0c\u786e\u4fdd\u5176\u5b8c\u5168\u8fde\u63a5\u5e76\u9501\u5b9a\u3002<\/li>\n<li>\u91cd\u65b0\u8fde\u63a5\u7535\u6c60\u5e76\u6e05\u9664\u8bca\u65ad\u6545\u969c\u7801\u3002<\/li>\n<li>\u8fdb\u884c\u8def\u8bd5\u4ee5\u786e\u8ba4\u6b63\u5e38\u64cd\u4f5c\uff0c\u5e76\u786e\u4fdd P229F \u6545\u969c\u7801\u672a\u518d\u51fa\u73b0\u3002<\/li>\n<\/ol>\n<h2 id=\"related-issues-and-fault-codes\">\u76f8\u5173\u95ee\u9898\u548c\u6545\u969c\u7801<\/h2>\n<ul>\n<li>P20EE\uff1aSCR NOx \u50ac\u5316\u5668\u6548\u7387\u4f4e\u4e8e\u9608\u503c<\/li>\n<li>P229E\uff1aNOx \u4f20\u611f\u5668\u7535\u8def\uff08\u7b2c\u4e00\u6392\uff0c\u4f20\u611f\u5668 1\uff09<\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0401-exhaust-gas-recirculation-flow-insufficient-detected-a-technical-description\/\" title=\"P0401\uff1a\u5e9f\u6c14\u518d\u5faa\u73af (EGR) \u6d41\u91cf\u4e0d\u8db3\">P0401\uff1a\u5e9f\u6c14\u518d\u5faa\u73af (EGR) \u6d41\u91cf\u4e0d\u8db3<\/a><\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p2002-particulate-trap-below-threshold\/\" title=\"P2002\uff1a\u67f4\u6cb9\u5fae\u7c92\u8fc7\u6ee4\u5668\u6548\u7387\u4f4e\u4e8e\u9608\u503c\">P2002\uff1a\u67f4\u6cb9\u5fae\u7c92\u8fc7\u6ee4\u5668\u6548\u7387\u4f4e\u4e8e\u9608\u503c<\/a><\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u6545\u969c\u7801\u901a\u5e38\u8868\u660e\u6392\u6c14\u548c\u6392\u653e\u63a7\u5236\u7cfb\u7edf\u5b58\u5728\u66f4\u5e7f\u6cdb\u7684\u95ee\u9898\uff0c\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u5168\u9762\u7684\u8bca\u65ad\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-p229f\">\u5173\u4e8e P229F \u7684\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3 id=\"q1-what-does-the-p229f-code-mean-\">P229F \u6545\u969c\u7801\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>P229F \u8868\u793a NOx\uff08\u6c2e\u6c27\u5316\u7269\uff09\u4f20\u611f\u5668\u7535\u8def\u8303\u56f4\/\u6027\u80fd\u95ee\u9898\uff08\u7b2c\u4e00\u6392\uff0c\u4f20\u611f\u5668 2\uff09\u3002\u8fd9\u610f\u5473\u7740\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757 (ECM) \u68c0\u6d4b\u5230\u4e0b\u6e38 NOx \u4f20\u611f\u5668\u7684\u4fe1\u53f7\u5f02\u5e38\u3002<\/p>\n<h3 id=\"q2-is-it-safe-to-drive-with-a-p229f-code-\">\u5e26\u6709 P229F \u6545\u969c\u7801\u7684\u8f66\u8f86\u53ef\u4ee5\u7ee7\u7eed\u9a7e\u9a76\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u4e0d\u5c5e\u4e8e\u7d27\u6025\u95ee\u9898\uff0c\u4f46\u5efa\u8bae\u5c3d\u5feb\u5904\u7406\uff0c\u4ee5\u9632\u6b62\u50ac\u5316\u8f6c\u6362\u5668\u53d7\u635f\u5e76\u786e\u4fdd\u6b63\u786e\u7684\u6392\u653e\u63a7\u5236\u3002<\/p>\n<h3 id=\"q3-which-vehicles-commonly-experience-the-p229f-code-\">\u54ea\u4e9b\u8f66\u578b\u5e38\u89c1 P229F \u6545\u969c\u7801\uff1f<\/h3>\n<p>\u8be5\u6545\u969c\u7801\u901a\u5e38\u51fa\u73b0\u5728\u67f4\u6cb9\u9a71\u52a8\u8f66\u8f86\u4e2d\uff0c\u7279\u522b\u662f\u6885\u8d5b\u5fb7\u65af-\u5954\u9a70\u3001\u5b9d\u9a6c\u548c\u6377\u8c79\u7b49\u54c1\u724c\u3002<\/p>\n<h3 id=\"q4-where-is-the-nox-sensor-related-to-p229f-typically-located-\">P229F \u76f8\u5173\u7684 NOx \u4f20\u611f\u5668\u901a\u5e38\u4f4d\u4e8e\u54ea\u91cc\uff1f<\/h3>\n<p>\u8be5\u4f20\u611f\u5668\u901a\u5e38\u4f4d\u4e8e\u67f4\u6cb9\u5fae\u7c92\u8fc7\u6ee4\u5668 (DPF) \u4e4b\u540e\uff0c\u67d0\u4e9b\u8f66\u578b\u4e2d\u4f4d\u4e8e\u9a7e\u9a76\u5458\u811a\u4e0b\u7684\u533a\u57df\u3002<\/p>\n<h3 id=\"q5-what-are-the-common-causes-of-a-p229f-code-\">P229F \u6545\u969c\u7801\u7684\u5e38\u89c1\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5e38\u89c1\u539f\u56e0\u5305\u62ec NOx \u4f20\u611f\u5668\u6545\u969c\u3001\u7ebf\u675f\u95ee\u9898\u3001\u8fde\u63a5\u5668\u8150\u8680\u3001ECM \u8f6f\u4ef6\u95ee\u9898\u3001\u6392\u6c14\u6cc4\u6f0f\u6216\u53d7\u6c61\u67d3\u7684 DEF \u6db2\u4f53\u3002<\/p>\n<h3 id=\"q6-how-do-i-diagnose-a-p229f-code-\">\u5982\u4f55\u8bca\u65ad P229F \u6545\u969c\u7801\uff1f<\/h3>\n<p>\u9996\u5148\u626b\u63cf\u5176\u4ed6\u6545\u969c\u7801\uff0c\u68c0\u67e5\u7ebf\u675f\u548c\u8fde\u63a5\u5668\uff0c\u9a8c\u8bc1 DEF \u7684\u8d28\u91cf\uff0c\u68c0\u67e5\u6392\u6c14\u7cfb\u7edf\u662f\u5426\u6709\u6cc4\u6f0f\uff0c\u5e76\u4f7f\u7528\u626b\u63cf\u5de5\u5177\u67e5\u770b NOx \u4f20\u611f\u5668\u7684\u5b9e\u65f6\u6570\u636e\u3002<\/p>\n<h3 id=\"q7-can-i-replace-the-nox-sensor-myself-\">\u6211\u53ef\u4ee5\u81ea\u5df1\u66f4\u6362 NOx \u4f20\u611f\u5668\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u6709\u7ecf\u9a8c\u7684 DIY \u7231\u597d\u8005\u53ef\u4ee5\u81ea\u5df1\u66f4\u6362\uff0c\u4f46\u7531\u4e8e\u4f20\u611f\u5668\u4f4d\u7f6e\u7279\u6b8a\u4e14\u9700\u8981\u4e13\u7528\u5de5\u5177\uff0c\u901a\u5e38\u5efa\u8bae\u7531\u4e13\u4e1a\u6280\u5e08\u5904\u7406\u3002<\/p>\n<h3 id=\"q8-how-much-does-it-cost-to-fix-a-p229f-code-\">\u4fee\u590d P229F \u6545\u969c\u7801\u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u8d39\u7528\u56e0\u60c5\u51b5\u800c\u5f02\uff0c\u4f46 NOx \u4f20\u611f\u5668\u7684\u66f4\u6362\u8d39\u7528\u901a\u5e38\u5728 $400 \u5230 $800 \u7f8e\u5143\u4e4b\u95f4\uff0c\u5305\u62ec\u96f6\u4ef6\u548c\u4eba\u5de5\u8d39\u7528\u3002<\/p>\n<h3 id=\"q9-will-a-p229f-code-clear-itself-\">P229F \u6545\u969c\u7801\u4f1a\u81ea\u52a8\u6e05\u9664\u5417\uff1f<\/h3>\n<p>\u5982\u679c\u95ee\u9898\u81ea\u884c\u89e3\u51b3\uff0c\u6545\u969c\u7801\u53ef\u80fd\u6682\u65f6\u6e05\u9664\uff0c\u4f46\u5982\u679c\u672a\u89e3\u51b3\u6839\u672c\u95ee\u9898\uff0c\u6545\u969c\u7801\u5f88\u53ef\u80fd\u4f1a\u518d\u6b21\u51fa\u73b0\u3002<\/p>\n<h3 id=\"q10-can-a-bad-def-cause-a-p229f-code-\">\u52a3\u8d28\u7684 DEF \u6db2\u4f53\u4f1a\u5bfc\u81f4 P229F \u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u53d7\u6c61\u67d3\u6216\u4e0d\u5408\u683c\u7684 DEF \u6db2\u4f53\u53ef\u80fd\u4f1a\u901a\u8fc7\u5f71\u54cd NOx \u4f20\u611f\u5668\u7684\u8bfb\u6570\u800c\u89e6\u53d1\u6b64\u6545\u969c\u7801\u3002<\/p>\n<h3 id=\"q11-what-other-codes-might-appear-with-p229f-\">\u54ea\u4e9b\u5176\u4ed6\u6545\u969c\u7801\u53ef\u80fd\u4e0e P229F \u4e00\u540c\u51fa\u73b0\uff1f<\/h3>\n<p>\u76f8\u5173\u7684\u6545\u969c\u7801\u53ef\u80fd\u5305\u62ec P20EE\uff08SCR NOx \u50ac\u5316\u5668\u6548\u7387\u4f4e\u4e8e\u9608\u503c\uff09\u548c P229E\uff08NOx \u4f20\u611f\u5668\u7535\u8def\u7b2c\u4e00\u6392\uff0c\u4f20\u611f\u5668 1\uff09\u3002<\/p>\n<h3 id=\"q12-how-often-should-nox-sensors-be-replaced-\">NOx \u4f20\u611f\u5668\u5e94\u591a\u4e45\u66f4\u6362\u4e00\u6b21\uff1f<\/h3>\n<p>\u867d\u7136\u6ca1\u6709\u56fa\u5b9a\u7684\u66f4\u6362\u95f4\u9694\uff0c\u4f46\u5728\u6b63\u5e38\u6761\u4ef6\u4e0b\uff0cNOx \u4f20\u611f\u5668\u7684\u4f7f\u7528\u5bff\u547d\u901a\u5e38\u4e3a 80,000 \u5230 100,000 \u82f1\u91cc\uff08128,000 \u5230 160,000 \u516c\u91cc\uff09\u6216\u66f4\u957f\u3002<\/p>\n<h3 id=\"q13-can-an-exhaust-leak-cause-a-p229f-code-\">\u6392\u6c14\u6cc4\u6f0f\u4f1a\u5bfc\u81f4 P229F \u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u6392\u6c14\u6cc4\u6f0f\u53ef\u80fd\u4f1a\u5f71\u54cd NOx \u4f20\u611f\u5668\u7684\u8bfb\u6570\uff0c\u4ece\u800c\u5bfc\u81f4\u6b64\u6545\u969c\u7801\u3002<\/p>\n<h3 id=\"q14-is-p229f-a-manufacturer-specific-code-\">P229F \u662f\u5236\u9020\u5546\u7279\u5b9a\u7684\u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u867d\u7136 P229F \u662f\u901a\u7528 OBD-II \u6545\u969c\u7801\uff0c\u4f46\u5176\u5f71\u54cd\u548c\u7ef4\u4fee\u7a0b\u5e8f\u53ef\u80fd\u56e0\u4e0d\u540c\u7684\u8f66\u8f86\u5236\u9020\u5546\u800c\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h3 id=\"q15-can-a-software-update-fix-a-p229f-code-\">\u8f6f\u4ef6\u66f4\u65b0\u53ef\u4ee5\u4fee\u590d P229F \u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cECM \u8f6f\u4ef6\u66f4\u65b0\u53ef\u80fd\u4f1a\u89e3\u51b3\u8be5\u95ee\u9898\uff0c\u7279\u522b\u662f\u5982\u679c\u95ee\u9898\u4e0e\u4f20\u611f\u5668\u6821\u51c6\u6216\u901a\u4fe1\u76f8\u5173\u3002<\/p>\n<h3 id=\"q16-what-happens-if-i-ignore-a-p229f-code-\">\u5982\u679c\u6211\u5ffd\u7565 P229F \u6545\u969c\u7801\uff0c\u4f1a\u6709\u4ec0\u4e48\u540e\u679c\uff1f<\/h3>\n<p>\u5ffd\u7565\u8be5\u6545\u969c\u7801\u53ef\u80fd\u5bfc\u81f4\u71c3\u6cb9\u6548\u7387\u964d\u4f4e\u3001\u6392\u653e\u589e\u52a0\uff0c\u5e76\u53ef\u80fd\u635f\u574f\u50ac\u5316\u8f6c\u6362\u5668\u6216 SCR \u7cfb\u7edf\u3002<\/p>\n<h3 id=\"q17-how-does-the-nox-sensor-work-\">NOx \u4f20\u611f\u5668\u5982\u4f55\u5de5\u4f5c\uff1f<\/h3>\n<p>NOx \u4f20\u611f\u5668\u6d4b\u91cf\u5e9f\u6c14\u4e2d\u7684\u6c2e\u6c27\u5316\u7269\u6d53\u5ea6\uff0c\u4e3a ECM \u63d0\u4f9b\u7ba1\u7406\u6392\u653e\u63a7\u5236\u7cfb\u7edf\u7684\u5173\u952e\u6570\u636e\u3002<\/p>\n<h3 id=\"q18-can-cold-weather-affect-nox-sensors-and-cause-p229f-\">\u5bd2\u51b7\u5929\u6c14\u4f1a\u5f71\u54cd NOx \u4f20\u611f\u5668\u5e76\u5bfc\u81f4 P229F \u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u6781\u7aef\u5bd2\u51b7\u53ef\u80fd\u4f1a\u5f71\u54cd\u4f20\u611f\u5668\u6027\u80fd\uff0c\u4f46\u73b0\u4ee3 NOx \u4f20\u611f\u5668\u8bbe\u8ba1\u80fd\u9002\u5e94\u5e7f\u6cdb\u7684\u6e29\u5ea6\u8303\u56f4\u3002<\/p>\n<h3 id=\"q19-is-p229f-related-to-diesel-emissions-systems-only-\">P229F \u4ec5\u4e0e\u67f4\u6cb9\u6392\u653e\u7cfb\u7edf\u6709\u5173\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u8be5\u6545\u969c\u7801\u5728\u914d\u5907 SCR \u7cfb\u7edf\u7684\u67f4\u6cb9\u8f66\u4e2d\u6700\u4e3a\u5e38\u89c1\uff0c\u4f46\u67d0\u4e9b\u914d\u5907 NOx \u4f20\u611f\u5668\u7684\u6c7d\u6cb9\u8f66\u4e5f\u53ef\u80fd\u51fa\u73b0\u7c7b\u4f3c\u7684\u6545\u969c\u7801\u3002<\/p>\n<h3 id=\"q20-how-long-does-it-take-to-replace-a-nox-sensor-\">\u66f4\u6362 NOx \u4f20\u611f\u5668\u9700\u8981\u591a\u957f\u65f6\u95f4\uff1f<\/h3>\n<p>\u66f4\u6362\u65f6\u95f4\u53d6\u51b3\u4e8e\u8f66\u578b\u548c\u4f20\u611f\u5668\u7684\u4f4d\u7f6e\uff0c\u901a\u5e38\u4e13\u4e1a\u6280\u5e08\u9700\u8981 1 \u5230 3 \u5c0f\u65f6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7d27\u6025\u6027\u4e0e\u9a7e\u9a76\u5f71\u54cd P229F \u6545\u969c\u7801\u8868\u660e\u6c2e\u6c27\u5316\u7269 (NOx) \u4f20\u611f\u5668\u7535\u8def\u53ef\u80fd\u5b58\u5728\u95ee\u9898\uff0c\u7279\u522b\u662f\u6d89\u53ca\u7b2c\u4e00\u6392\uff0c\u4f20\u611f\u5668<\/p>\n","protected":false},"author":13,"featured_media":287861,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-287858","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\/287858","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=287858"}],"version-history":[{"count":4,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/287858\/revisions"}],"predecessor-version":[{"id":288633,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/287858\/revisions\/288633"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/media\/287861"}],"wp:attachment":[{"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/media?parent=287858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/categories?post=287858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/tags?post=287858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}