{"id":287634,"date":"2024-10-23T05:36:12","date_gmt":"2024-10-23T05:36:12","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287634"},"modified":"2024-11-04T09:14:04","modified_gmt":"2024-11-04T09:14:04","slug":"p205b-reductant-tank-level-sensor-circuit-range-performance","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p205b-reductant-tank-level-sensor-circuit-range-performance\/","title":{"rendered":"P205B &#8211; \u8fd8\u539f\u5242\u7f50\u6db2\u4f4d\u4f20\u611f\u5668\u7535\u8def\u8303\u56f4\/\u6027\u80fd"},"content":{"rendered":"<h2 id=\"what-is-the-p205b-engine-code-\">\u4ec0\u4e48\u662f P205B \u53d1\u52a8\u673a\u4ee3\u7801\uff1f<\/h2>\n<p>P205B \u4ee3\u7801\u8868\u793a\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668 &#8216;A&#8217; \u7535\u8def\u8303\u56f4\/\u6027\u80fd\u5b58\u5728\u95ee\u9898\u3002\u5f53\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757 (PCM) \u68c0\u6d4b\u5230\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7535\u538b\u5f02\u5e38\uff0c\u8d85\u51fa\u53ef\u63a5\u53d7\u8303\u56f4\u65f6\uff0c\u8be5\u4ee3\u7801\u5c06\u88ab\u8bbe\u7f6e\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u6839\u636e\u6211\u4eec\u5728\u8f66\u95f4\u7684\u7ecf\u9a8c\uff0cP205B \u4ee3\u7801\u5728\u591a\u6b3e\u6b27\u6d32\u6c7d\u8f66\u54c1\u724c\u4e2d\u76f8\u5bf9\u9891\u7e41\u51fa\u73b0\uff0c\u5c24\u5176\u662f\u5728\u5927\u4f17\u3001\u5965\u8fea\u3001\u6885\u8d5b\u5fb7\u65af-\u5954\u9a70\u548c\u5b9d\u9a6c\u7684\u67f4\u6cb9\u8f66\u578b\u4e2d\u3002\u6211\u4eec\u6ce8\u610f\u5230\uff0c\u8fd9\u4e2a\u95ee\u9898\u5728\u5927\u7ea6 2009-2015 \u5e74\u7684 VW \u548c Audi TDI \u53d1\u52a8\u673a\u4e2d\u7279\u522b\u5e38\u89c1\u3002\u95ee\u9898\u901a\u5e38\u6e90\u4e8e\u6545\u969c\u7684\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u6216\u76f8\u5173\u7684\u63a5\u7ebf\u95ee\u9898\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u66f4\u6362\u4f20\u611f\u5668\u53ef\u4ee5\u89e3\u51b3\u95ee\u9898\uff0c\u5c3d\u7ba1\u5076\u5c14\u6211\u4eec\u9700\u8981\u4fee\u590d\u63a5\u7ebf\u6216\u66f4\u6362\u6574\u4e2a DEF \u50a8\u7f50\u7ec4\u4ef6\u3002\u6211\u4eec\u53d1\u73b0\u5bd2\u51b7\u5929\u6c14\u5f80\u5f80\u4f1a\u52a0\u5267\u8fd9\u4e00\u95ee\u9898\uff0c\u51ac\u5b63\u6708\u4efd\u6709\u66f4\u591a\u7684\u6848\u4f8b\u51fa\u73b0\u3002\u867d\u7136\u5bf9\u4e8e\u9a7e\u9a76\u8005\u6765\u8bf4\uff0c\u8fd9\u53ef\u80fd\u662f\u4e00\u4e2a\u70e6\u4eba\u7684\u95ee\u9898\uff0c\u4f46\u5982\u679c\u53ca\u65f6\u5904\u7406\uff0c\u901a\u5e38\u4e0d\u4f1a\u9020\u6210\u91cd\u5927\u4fee\u7406\u3002<\/p>\n<\/div>\n<h2 id=\"urgency-and-severity\">\u7d27\u6025\u6027\u4e0e\u4e25\u91cd\u6027<\/h2>\n<p>\u5b58\u50a8\u7684 P205B \u4ee3\u7801\u5e94\u88ab\u89c6\u4e3a\u4e25\u91cd\u95ee\u9898\uff0c\u9700\u5c3d\u5feb\u5904\u7406\u3002\u7ee7\u7eed\u9a7e\u9a76\u6fc0\u6d3b\u8be5\u4ee3\u7801\u7684\u8f66\u8f86\u53ef\u80fd\u4f1a\u7981\u7528\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f (SCR) \u7cfb\u7edf\uff0c\u5982\u679c\u4e0d\u53ca\u65f6\u4fee\u590d\uff0c\u53ef\u80fd\u5bfc\u81f4\u50ac\u5316\u5242\u635f\u574f\u3002<\/p>\n<p>\u5f53\u51fa\u73b0\u6b64\u4ee3\u7801\u65f6\uff0c\u5efa\u8bae\u7acb\u5373\u505c\u6b62\u9a7e\u9a76\u8f66\u8f86\uff0c\u5e76\u7531\u5408\u683c\u7684\u673a\u68b0\u5e08\u6216\u7ecf\u9500\u5546\u8fdb\u884c\u4fee\u7406\u3002\u5728\u5e95\u5c42\u95ee\u9898\u88ab\u8bca\u65ad\u548c\u89e3\u51b3\u4e4b\u524d\uff0c\u4e0d\u5e94\u6062\u590d\u9a7e\u9a76\u3002<\/p>\n<h2 id=\"applicability-across-vehicle-makes\">\u5728\u4e0d\u540c\u8f66\u578b\u4e2d\u7684\u9002\u7528\u6027<\/h2>\n<p>P205B \u4ee3\u7801\u662f\u4e00\u4e2a\u901a\u7528\u7684\u52a8\u529b\u603b\u6210\u4ee3\u7801\uff0c\u9002\u7528\u4e8e\u81ea 1996 \u5e74\u4ee5\u6765\u751f\u4ea7\u7684\u8bb8\u591a\u7b26\u5408 OBD-II \u6807\u51c6\u7684\u8f66\u8f86\u3002\u8fd9\u5305\u62ec\u6765\u81ea\u6885\u8d5b\u5fb7\u65af\u3001\u65af\u5bbe\u7279\u3001\u798f\u7279\u3001GMC\u3001\u96ea\u4f5b\u5170\u7b49\u5236\u9020\u5546\u7684\u8f66\u8f86\u3002\u7136\u800c\uff0c\u5177\u4f53\u7684\u4fee\u7406\u6b65\u9aa4\u53ef\u80fd\u4f1a\u6839\u636e\u8f66\u8f86\u7684\u5e74\u4efd\u3001\u54c1\u724c\u3001\u578b\u53f7\u548c\u52a8\u529b\u603b\u6210\u914d\u7f6e\u800c\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h2 id=\"parts-involved-and-their-roles\">\u6d89\u53ca\u7684\u90e8\u4ef6\u53ca\u5176\u4f5c\u7528<\/h2>\n<p>P205B \u4ee3\u7801\u4e3b\u8981\u6d89\u53ca\u7684\u7ec4\u4ef6\u662f\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u4e5f\u79f0\u4e3a\u67f4\u6cb9\u6392\u653e\u6db2 (DEF) \u50a8\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u3002\u8be5\u4f20\u611f\u5668\u901a\u5e38\u96c6\u6210\u5728 DEF \u50a8\u7f50\u50a8\u5b58\u7ec4\u4ef6\u4e2d\uff0c\u7c7b\u4f3c\u4e8e\u71c3\u6cb9\u7f50\u53d1\u9001\u5355\u5143\u3002<\/p>\n<p>\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u6d4b\u91cf\u7f50\u5185\u67f4\u6cb9\u6392\u653e\u6db2\u7684\u6e29\u5ea6\u3002PCM \u4f7f\u7528\u6b64\u6e29\u5ea6\u4fe1\u606f\u6765\u63a7\u5236\u51cf\u5c11 NOx \u6392\u653e\u7684 SCR \u7cfb\u7edf\u3002\u5982\u679c DEF \u56e0\u4f4e\u6e29\uff08\u4f4e\u4e8e 12\u00b0F \u6216 -11\u00b0C\uff09\u800c\u51bb\u7ed3\uff0c\u5219\u65e0\u6cd5\u6ce8\u5165\u6392\u6c14\u6d41\u4e2d\uff0c\u5f71\u54cd SCR \u7cfb\u7edf\u7684\u6709\u6548\u6027\u3002<\/p>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>\u4e00\u4e9b\u53ef\u80fd\u89e6\u53d1 P205B \u4ee3\u7801\u7684\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6545\u969c\u7684\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u63a5\u7ebf\u95ee\u9898\uff0c\u5982\u7535\u7f06\u635f\u574f\u6216\u8fde\u63a5\u4e0d\u826f<\/li>\n<li>PCM \u6216 SCR \u63a7\u5236\u5668\u5b58\u5728\u95ee\u9898<\/li>\n<li>DEF \u6db2\u4f4d\u8fc7\u4f4e\u6216\u88ab\u6c61\u67d3\/\u964d\u89e3\u7684 DEF \u6db2<\/li>\n<li>\u6781\u5bd2\u6e29\u5ea6\u5bfc\u81f4 DEF \u51bb\u7ed3<\/li>\n<\/ul>\n<h2 id=\"diagnosis-steps\">\u8bca\u65ad\u6b65\u9aa4<\/h2>\n<p>\u8981\u6b63\u786e\u8bca\u65ad P205B \u4ee3\u7801\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n<ol>\n<li>\n<p>\u5c06\u8bca\u65ad\u626b\u63cf\u4eea\u8fde\u63a5\u5230\u8f66\u8f86\u7684 OBD-II \u7aef\u53e3\uff0c\u63d0\u53d6\u6240\u6709\u5b58\u50a8\u7684\u4ee3\u7801\u548c\u51bb\u7ed3\u5e27\u6570\u636e\u3002\u5728\u6e05\u9664\u4ee3\u7801\u4e4b\u524d\uff0c\u8bb0\u5f55\u4e0b\u8fd9\u4e9b\u4fe1\u606f\u3002<\/p>\n<\/li>\n<li>\n<p>\u8fdb\u884c\u4e00\u6b21\u8bd5\u9a7e\uff0c\u76f4\u5230 PCM \u8fdb\u5165\u51c6\u5907\u6a21\u5f0f\u6216\u4ee3\u7801\u590d\u4f4d\u3002\u5982\u679c\u4ee3\u7801\u7acb\u5373\u590d\u4f4d\uff0c\u7ee7\u7eed\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u8bca\u65ad\u3002\u5982\u679c\u6ca1\u6709\uff0c\u5219\u53ef\u80fd\u662f\u95f4\u6b47\u6027\u95ee\u9898\uff0c\u76f4\u5230\u95ee\u9898\u52a0\u91cd\u624d\u66f4\u96be\u8bca\u65ad\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5 DEF \u7684\u6db2\u4f4d\u548c\u8d28\u91cf\u3002\u5982\u679c\u6db2\u4f53\u8fc7\u4f4e\u3001\u88ab\u6c61\u67d3\u6216\u964d\u89e3\uff0c\u6392\u7a7a\u50a8\u7f50\uff0c\u51b2\u6d17\u7cfb\u7edf\uff0c\u7136\u540e\u91cd\u65b0\u586b\u5145\u65b0\u9c9c DEF\u3002<\/p>\n<\/li>\n<li>\n<p>\u76ee\u89c6\u68c0\u67e5\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u4e0e PCM\/SCR \u63a7\u5236\u5668\u4e4b\u95f4\u7684\u63a5\u7ebf\u548c\u8fde\u63a5\u5668\u3002\u67e5\u770b\u662f\u5426\u6709\u4efb\u4f55\u635f\u574f\u3001\u8150\u8680\u6216\u677e\u52a8\u7684\u8fde\u63a5\uff0c\u5e76\u6839\u636e\u9700\u8981\u8fdb\u884c\u4fee\u590d\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u6570\u5b57\u4e07\u7528\u8868 (DMM)\uff0c\u6839\u636e\u5236\u9020\u5546\u7684\u89c4\u683c\u6d4b\u8bd5\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u7535\u963b\u3002\u5982\u679c\u8bfb\u6570\u8d85\u51fa\u8303\u56f4\uff0c\u5219\u66f4\u6362\u4f20\u611f\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u4f20\u611f\u5668\u6d4b\u8bd5\u6b63\u5e38\u4f46\u4ee3\u7801\u4ecd\u7136\u5b58\u5728\uff0c\u4f7f\u7528 DMM \u68c0\u67e5\u4f20\u611f\u5668\u8f93\u5165\u548c\u8f93\u51fa\u4fe1\u53f7\u7535\u8def\u7684\u8fde\u7eed\u6027\u548c\u7535\u538b\u3002\u5c06\u8bfb\u6570\u4e0e\u5236\u9020\u5546\u7684\u9884\u671f\u503c\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u7535\u8def\u6709\u6545\u969c\uff0c\u4fee\u590d\u6216\u66f4\u6362\u53d7\u5f71\u54cd\u7684\u63a5\u7ebf\u3002<\/p>\n<\/li>\n<\/ol>\n<h2 id=\"solutions-and-costs\">\u89e3\u51b3\u65b9\u6848\u4e0e\u8d39\u7528<\/h2>\n<p>P205B \u4ee3\u7801\u7684\u6700\u5e38\u89c1\u4fee\u590d\u65b9\u6cd5\u662f\u66f4\u6362\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u8be5\u4f20\u611f\u5668\u901a\u5e38\u96c6\u6210\u5728 DEF \u50a8\u7f50\u7ec4\u4ef6\u4e2d\u3002\u50a8\u7f50\u7684\u8d39\u7528\u56e0\u8f66\u8f86\u800c\u5f02\uff0c\u4f46\u901a\u5e38\u5728 500 \u81f3 1000 \u7f8e\u5143\uff08680 \u81f3 1360 \u6b27\u5143\uff09\u4e4b\u95f4\u3002<\/p>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4ec5\u6e05\u6d01\u4f20\u611f\u5668\u5e76\u786e\u4fdd\u63a5\u7ebf\u548c\u8fde\u63a5\u7a33\u56fa\u53ef\u80fd\u4f1a\u89e3\u51b3\u95ee\u9898\u3002\u5982\u679c\u6ca1\u6709\u9700\u8981\u66f4\u6362\u7684\u7ec4\u4ef6\uff0c\u63a5\u7ebf\u4fee\u590d\u901a\u5e38\u6210\u672c\u8f83\u4f4e\u3002<\/p>\n<p>\u5982\u679c DEF \u6db2\u4f53\u88ab\u51bb\u7ed3\uff0c\u901a\u8fc7\u5c06\u8f66\u8f86\u505c\u653e\u5728\u52a0\u70ed\u7684\u8f66\u5e93\u6216\u4f7f\u7528\u53d1\u52a8\u673a\u52a0\u70ed\u5668\u8fdb\u884c\u89e3\u51bb\u5c06\u6062\u590d SCR \u529f\u80fd\u3002\u7136\u800c\uff0c\u8fd9\u5e76\u4e0d\u80fd\u89e3\u51b3\u53ef\u80fd\u6700\u521d\u89e6\u53d1\u4ee3\u7801\u7684\u4efb\u4f55\u4f20\u611f\u5668\u6545\u969c\u3002<\/p>\n<h2 id=\"prevention\">\u9884\u9632\u63aa\u65bd<\/h2>\n<p>\u4e3a\u4e86\u9632\u6b62\u4e0e P205B \u4ee3\u7801\u76f8\u5173\u7684\u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\u4fdd\u6301\u9002\u5f53\u7684 DEF \u6db2\u4f4d\uff0c\u4ec5\u4f7f\u7528\u6765\u81ea\u4fe1\u8a89\u826f\u597d\u7684\u4f9b\u5e94\u5546\u7684\u9ad8\u8d28\u91cf\u67f4\u6cb9\u6392\u653e\u6db2\u3002<\/li>\n<li>\u53ca\u65f6\u5904\u7406 DEF \u7cfb\u7edf\u4e2d\u7684\u4efb\u4f55\u6cc4\u6f0f\u3002<\/li>\n<li>\u4fdd\u6301 DEF \u50a8\u7f50\u53ca\u5468\u56f4\u7ec4\u4ef6\u6e05\u6d01\uff0c\u65e0\u6742\u7269\u6216\u8150\u8680\u3002<\/li>\n<li>\u5728\u6781\u5bd2\u5929\u6c14\u4e0b\uff0c\u5982\u679c\u53ef\u80fd\uff0c\u5c06\u8f66\u8f86\u505c\u653e\u5728\u8f66\u5e93\u4e2d\uff0c\u4ee5\u9632\u6b62 DEF \u51bb\u7ed3\u3002<\/li>\n<\/ul>\n<h2 id=\"associated-codes-and-issues\">\u76f8\u5173\u4ee3\u7801\u548c\u95ee\u9898<\/h2>\n<p>\u4e0e P205B \u5e38\u89c1\u7684\u6545\u969c\u4ee3\u7801\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>P20EE &#8211; SCR NOx \u50ac\u5316\u5242\u6548\u7387\u4f4e\u4e8e\u9608\u503c<\/li>\n<li>P2BAE &#8211; \u8fd8\u539f\u5242\u538b\u529b\u8fc7\u4f4e<\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p20e8-scr-nox-catalyst-efficiency-below-threshold\/\" title=\"P20E8 - \u8fd8\u539f\u5242\u538b\u529b\u8fc7\u9ad8\">P20E8 &#8211; \u8fd8\u539f\u5242\u538b\u529b\u8fc7\u9ad8<\/a><\/li>\n<li>P20F4 &#8211; \u8fd8\u539f\u5242\u7cfb\u7edf\u6027\u80fd<\/li>\n<\/ul>\n<p>\u4e0e P205B \u4ee3\u7801\u4e00\u8d77\u51fa\u73b0\u7684\u95ee\u9898\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u53d1\u52a8\u673a\u6545\u969c\u706f (CEL) \u6216\u6545\u969c\u6307\u793a\u706f (MIL) \u70b9\u4eae<\/li>\n<li>\u53d1\u52a8\u673a\u529f\u7387\u4e0b\u964d<\/li>\n<li>\u6392\u653e\u589e\u52a0<\/li>\n<li>\u50ac\u5316\u8f6c\u6362\u5668\u6216 SCR \u50ac\u5316\u5242\u635f\u574f<\/li>\n<li>\u7531\u4e8e DEF \u51bb\u7ed3\u800c\u65e0\u6cd5\u5728\u6781\u5bd2\u4e2d\u542f\u52a8\u53d1\u52a8\u673a<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4e86\u89e3 P205B \u4ee3\u7801\u7684\u539f\u56e0\u3001\u8bca\u65ad\u548c\u89e3\u51b3\u65b9\u6848\uff0c\u8f66\u8f86\u6240\u6709\u8005\u548c\u673a\u68b0\u5e08\u53ef\u4ee5\u5feb\u901f\u89e3\u51b3\u95ee\u9898\uff0c\u6062\u590d\u9002\u5f53\u7684\u6392\u653e\u63a7\u5236\u3002\u5b9a\u671f\u7ef4\u62a4\u548c\u5728\u51fa\u73b0\u95ee\u9898\u65f6\u53ca\u65f6\u4fee\u7406\u53ef\u4ee5\u9632\u6b62\u66f4\u4e25\u91cd\u7684\u635f\u574f\u548c\u66f4\u6602\u8d35\u7684\u4fee\u590d\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-p205b-engine-code\">\u5173\u4e8e P205B \u53d1\u52a8\u673a\u4ee3\u7801\u7684\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3 id=\"1-what-does-the-p205b-code-mean-\">P205B \u4ee3\u7801\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>P205B \u4ee3\u7801\u8868\u793a\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668 &#8216;A&#8217; \u7535\u8def\u8303\u56f4\/\u6027\u80fd\u5b58\u5728\u95ee\u9898\u3002\u8fd9\u610f\u5473\u7740\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757 (PCM) \u68c0\u6d4b\u5230\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7535\u538b\u5f02\u5e38\uff0c\u8d85\u51fa\u53ef\u63a5\u53d7\u8303\u56f4\u3002<\/p>\n<h3 id=\"2-how-serious-is-the-p205b-code-\">P205B \u4ee3\u7801\u7684\u4e25\u91cd\u6027\u5982\u4f55\uff1f<\/h3>\n<p>\u5b58\u50a8\u7684 P205B \u4ee3\u7801\u5e94\u88ab\u89c6\u4e3a\u4e25\u91cd\u95ee\u9898\uff0c\u9700\u5c3d\u5feb\u5904\u7406\u3002\u7ee7\u7eed\u9a7e\u9a76\u6fc0\u6d3b\u8be5\u4ee3\u7801\u7684\u8f66\u8f86\u53ef\u80fd\u4f1a\u7981\u7528\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f (SCR) \u7cfb\u7edf\uff0c\u5982\u679c\u4e0d\u53ca\u65f6\u4fee\u590d\uff0c\u53ef\u80fd\u5bfc\u81f4\u50ac\u5316\u5242\u635f\u574f\u3002<\/p>\n<h3 id=\"3-what-are-the-common-symptoms-of-a-p205b-code-\">P205B \u4ee3\u7801\u7684\u5e38\u89c1\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\u70b9\u4eae<\/li>\n<li>\u53d1\u52a8\u673a\u6027\u80fd\u4e0b\u964d\u6216\u5931\u53bb\u52a8\u529b\u6a21\u5f0f<\/li>\n<li>\u6392\u653e\u589e\u52a0<\/li>\n<li>\u5728\u6781\u5bd2\u5929\u6c14\u4e2d\u65e0\u6cd5\u542f\u52a8\u53d1\u52a8\u673a<\/li>\n<\/ul>\n<h3 id=\"4-what-are-the-common-causes-of-a-p205b-code-\">P205B \u4ee3\u7801\u7684\u5e38\u89c1\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u53ef\u80fd\u7684\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6545\u969c\u7684\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u63a5\u7ebf\u95ee\u9898\uff0c\u5982\u7535\u7f06\u635f\u574f\u6216\u8fde\u63a5\u4e0d\u826f<\/li>\n<li>PCM \u6216 SCR \u63a7\u5236\u5668\u5b58\u5728\u95ee\u9898<\/li>\n<li>\u4f4e\u3001\u88ab\u6c61\u67d3\u6216\u964d\u89e3\u7684\u67f4\u6cb9\u6392\u653e\u6db2 (DEF)<\/li>\n<li>\u6781\u5bd2\u6e29\u5ea6\u5bfc\u81f4 DEF \u51bb\u7ed3<\/li>\n<\/ul>\n<h3 id=\"5-can-i-still-drive-with-a-p205b-code-\">\u6211\u53ef\u4ee5\u5728\u6709 P205B \u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u7ee7\u7eed\u9a7e\u9a76\u5417\uff1f<\/h3>\n<p>\u4e0d\u53ef\u4ee5\uff0c\u5f53\u51fa\u73b0\u6b64\u4ee3\u7801\u65f6\uff0c\u5efa\u8bae\u7acb\u5373\u505c\u6b62\u9a7e\u9a76\u8f66\u8f86\uff0c\u5e76\u7531\u5408\u683c\u7684\u673a\u68b0\u5e08\u6216\u7ecf\u9500\u5546\u8fdb\u884c\u4fee\u7406\u3002\u5728\u5e95\u5c42\u95ee\u9898\u88ab\u8bca\u65ad\u548c\u89e3\u51b3\u4e4b\u524d\uff0c\u4e0d\u5e94\u6062\u590d\u9a7e\u9a76\u3002<\/p>\n<h3 id=\"6-is-the-p205b-code-specific-to-certain-vehicle-makes-\">P205B \u4ee3\u7801\u662f\u5426\u7279\u5b9a\u4e8e\u67d0\u4e9b\u8f66\u578b\uff1f<\/h3>\n<p>\u4e0d\u662f\uff0cP205B \u662f\u4e00\u4e2a\u901a\u7528\u7684\u52a8\u529b\u603b\u6210\u4ee3\u7801\uff0c\u53ef\u4ee5\u51fa\u73b0\u5728\u8bb8\u591a\u81ea 1996 \u5e74\u4ee5\u6765\u751f\u4ea7\u7684\u7b26\u5408 OBD-II \u6807\u51c6\u7684\u67f4\u6cb9\u8f66\u8f86\u4e2d\u3002\u7136\u800c\uff0c\u5177\u4f53\u7684\u4fee\u7406\u6b65\u9aa4\u53ef\u80fd\u56e0\u8f66\u8f86\u7684\u5e74\u4efd\u3001\u54c1\u724c\u548c\u578b\u53f7\u800c\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h3 id=\"7-what-part-is-causing-the-p205b-code-\">\u662f\u4ec0\u4e48\u90e8\u4ef6\u5bfc\u81f4\u4e86 P205B \u4ee3\u7801\uff1f<\/h3>\n<p>P205B \u4ee3\u7801\u6d89\u53ca\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u4e5f\u79f0\u4e3a\u67f4\u6cb9\u6392\u653e\u6db2 (DEF) \u50a8\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u3002\u8be5\u4f20\u611f\u5668\u6d4b\u91cf DEF \u7684\u6e29\u5ea6\u548c\u6db2\u4f4d\u3002<\/p>\n<h3 id=\"8-where-is-the-reductant-tank-temperature-sensor-located-\">\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u4f4d\u4e8e\u54ea\u91cc\uff1f<\/h3>\n<p>\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u901a\u5e38\u96c6\u6210\u5728 DEF \u50a8\u7f50\u7ec4\u4ef6\u4e2d\uff0c\u7c7b\u4f3c\u4e8e\u71c3\u6cb9\u7f50\u53d1\u9001\u5355\u5143\u3002DEF \u50a8\u7f50\u901a\u5e38\u4f4d\u4e8e\u71c3\u6cb9\u7f50\u9644\u8fd1\u3002<\/p>\n<h3 id=\"9-what-happens-if-the-def-freezes-\">\u5982\u679c DEF \u51bb\u7ed3\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5982\u679c\u7531\u4e8e\u6781\u5bd2\u5929\u6c14\uff08\u4f4e\u4e8e 12\u00b0F \u6216 -11\u00b0C\uff09\u5bfc\u81f4 DEF \u51bb\u7ed3\uff0c\u5219\u65e0\u6cd5\u6ce8\u5165\u6392\u6c14\u6d41\u4e2d\u3002\u8fd9\u4f1a\u5f71\u54cd SCR \u7cfb\u7edf\u51cf\u5c11 NOx \u6392\u653e\u7684\u80fd\u529b\u3002\u51bb\u7ed3\u7684 DEF \u53ef\u80fd\u4f1a\u89e6\u53d1 P205B \u4ee3\u7801\u3002<\/p>\n<h3 id=\"10-how-do-you-diagnose-a-p205b-code-\">\u5982\u4f55\u8bca\u65ad P205B \u4ee3\u7801\uff1f<\/h3>\n<p>\u6b63\u786e\u7684\u8bca\u65ad\u5305\u62ec\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u626b\u63cf\u4ee3\u7801\u5e76\u8bb0\u5f55\u51bb\u7ed3\u5e27\u6570\u636e\u3002<\/li>\n<li>\u68c0\u67e5 DEF \u6db2\u4f4d\u548c\u8d28\u91cf\u3002\u5982\u6db2\u4f4d\u8fc7\u4f4e\u6216\u88ab\u6c61\u67d3\uff0c\u8bf7\u66f4\u6362\u3002<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5\u63a5\u7ebf\u548c\u8fde\u63a5\u5668\u3002\u5982\u6709\u9700\u8981\u8fdb\u884c\u4fee\u590d\u3002<\/li>\n<li>\u4f7f\u7528\u4e07\u7528\u8868\u6d4b\u8bd5\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u7535\u963b\u3002\u5982\u6709\u6545\u969c\uff0c\u8bf7\u66f4\u6362\u3002<\/li>\n<li>\u5982\u679c\u4f20\u611f\u5668\u6b63\u5e38\uff0c\u68c0\u67e5\u4f20\u611f\u5668\u7535\u8def\u7684\u8fde\u7eed\u6027\u548c\u7535\u538b\u3002\u5982\u6709\u5fc5\u8981\uff0c\u8bf7\u4fee\u590d\u63a5\u7ebf\u3002<\/li>\n<\/ol>\n<h3 id=\"11-can-a-p205b-code-be-caused-by-low-def-\">\u4f4e DEF \u4f1a\u5bfc\u81f4 P205B \u4ee3\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u5982\u679c DEF \u6db2\u4f4d\u8fc7\u4f4e\uff0c\u53ef\u80fd\u5bfc\u81f4\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u8bfb\u6570\u4e0d\u51c6\u786e\uff0c\u4ece\u800c\u89e6\u53d1 P205B \u4ee3\u7801\u3002\u8bf7\u59cb\u7ec8\u4fdd\u6301\u9002\u5f53\u7684 DEF \u6db2\u4f4d\u3002<\/p>\n<h3 id=\"12-how-much-does-it-cost-to-fix-a-p205b-code-\">\u4fee\u590d P205B \u4ee3\u7801\u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u4fee\u590d P205B \u4ee3\u7801\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u66f4\u6362\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u8be5\u4f20\u611f\u5668\u901a\u5e38\u662f DEF \u50a8\u7f50\u7ec4\u4ef6\u7684\u4e00\u90e8\u5206\u3002\u50a8\u7f50\u7684\u8d39\u7528\u5e73\u5747\u5728 500 \u81f3 1000 \u7f8e\u5143\u4e4b\u95f4\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4ec5\u6e05\u6d01\u4f20\u611f\u5668\u548c\u4fee\u590d\u63a5\u7ebf\u53ef\u80fd\u4ee5\u6700\u4f4e\u6210\u672c\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<h3 id=\"13-can-you-replace-just-the-reductant-tank-temperature-sensor-\">\u53ef\u4ee5\u53ea\u66f4\u6362\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u5417\uff1f<\/h3>\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u96c6\u6210\u5728 DEF \u50a8\u7f50\u7ec4\u4ef6\u4e2d\uff0c\u65e0\u6cd5\u5355\u72ec\u670d\u52a1\u3002\u901a\u5e38\u9700\u8981\u66f4\u6362\u6574\u4e2a\u5355\u5143\u3002<\/p>\n<h3 id=\"14-how-do-you-clear-a-p205b-code-\">\u5982\u4f55\u6e05\u9664 P205B \u4ee3\u7801\uff1f<\/h3>\n<p>\u5728\u4fee\u590d\u5e95\u5c42\u95ee\u9898\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 OBD-II \u626b\u63cf\u4eea\u6e05\u9664\u8be5\u4ee3\u7801\u3002\u7136\u800c\uff0c\u5982\u679c\u6839\u672c\u539f\u56e0\u672a\u5f97\u5230\u89e3\u51b3\uff0c\u8be5\u4ee3\u7801\u5c06\u518d\u6b21\u51fa\u73b0\u3002\u4e00\u4e9b\u8f66\u8f86\u53ef\u80fd\u9700\u8981\u7279\u5b9a\u7684\u884c\u9a76\u5468\u671f\u624d\u80fd\u5b8c\u5168\u91cd\u7f6e\u4ee3\u7801\u3002<\/p>\n<h3 id=\"15-can-a-weak-battery-cause-a-p205b-code-\">\u7535\u6c60\u865a\u5f31\u4f1a\u5bfc\u81f4 P205B \u4ee3\u7801\u5417\uff1f<\/h3>\n<p>\u95f4\u63a5\u5730\u4f1a\u3002\u865a\u5f31\u7684\u7535\u6c60\u53ef\u80fd\u5bfc\u81f4\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7535\u538b\u4f4e\uff0c\u4ece\u800c\u53ef\u80fd\u89e6\u53d1 P205B \u4ee3\u7801\u3002\u7136\u800c\uff0c\u901a\u5e38\u8fd8\u4f1a\u6709\u5176\u4ed6\u4ee3\u7801\u51fa\u73b0\u3002\u8bf7\u59cb\u7ec8\u786e\u4fdd\u8f66\u8f86\u6709\u5065\u5eb7\u3001\u5145\u6ee1\u7535\u7684\u7535\u6c60\u3002<\/p>\n<h3 id=\"16-what-other-codes-may-appear-with-p205b-\">\u4e0e P205B \u4ee3\u7801\u53ef\u80fd\u4e00\u8d77\u51fa\u73b0\u7684\u5176\u4ed6\u4ee3\u7801\u6709\u54ea\u4e9b\uff1f<\/h3>\n<p>\u53ef\u80fd\u4e0e P205B \u4ee3\u7801\u4e00\u8d77\u51fa\u73b0\u7684\u76f8\u5173\u4ee3\u7801\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>P20EE &#8211; SCR NOx \u50ac\u5316\u5242\u6548\u7387\u4f4e\u4e8e\u9608\u503c<\/li>\n<li>P2BAE &#8211; \u8fd8\u539f\u5242\u538b\u529b\u8fc7\u4f4e<\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p20e8-scr-nox-catalyst-efficiency-below-threshold\/\" title=\"P20E8 - \u8fd8\u539f\u5242\u538b\u529b\u8fc7\u9ad8\">P20E8 &#8211; \u8fd8\u539f\u5242\u538b\u529b\u8fc7\u9ad8<\/a><\/li>\n<li>P20F4 &#8211; \u8fd8\u539f\u5242\u7cfb\u7edf\u6027\u80fd<\/li>\n<\/ul>\n<h3 id=\"17-can-a-p205b-code-damage-the-catalytic-converter-\">P205B \u4ee3\u7801\u4f1a\u635f\u574f\u50ac\u5316\u8f6c\u6362\u5668\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u5982\u679c\u8f66\u8f86\u5728\u6fc0\u6d3b P205B \u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u7ee7\u7eed\u884c\u9a76\uff0c\u65e0\u6cd5\u6b63\u786e\u6ce8\u5165 DEF \u53ef\u80fd\u5bfc\u81f4 SCR \u50ac\u5316\u5242\u968f\u65f6\u95f4\u635f\u574f\u3002\u53ca\u65f6\u5904\u7406\u8be5\u4ee3\u7801\u5bf9\u4e8e\u907f\u514d\u6602\u8d35\u7684\u50ac\u5316\u5242\u66f4\u6362\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<h3 id=\"18-how-often-should-the-def-be-topped-off-to-prevent-a-p205b-\">\u4e3a\u4e86\u9632\u6b62 P205B\uff0cDEF \u5e94\u591a\u4e45\u8865\u5145\u4e00\u6b21\uff1f<\/h3>\n<p>DEF \u7684\u6d88\u8017\u7387\u901a\u5e38\u7ea6\u4e3a\u71c3\u6cb9\u4f7f\u7528\u91cf\u7684 2-3%\u3002\u5927\u591a\u6570\u8f66\u8f86\u7684 DEF \u50a8\u7f50\u8bbe\u8ba1\u4e3a\u6bcf 5000-10000 \u82f1\u91cc\u8865\u5145\u4e00\u6b21\u3002\u4fdd\u6301\u50a8\u7f50\u81f3\u5c11 1\/4 \u6ee1\u53ef\u4ee5\u786e\u4fdd\u59cb\u7ec8\u6709\u8db3\u591f\u7684\u6db2\u4f53\u7528\u4e8e\u9002\u5f53\u7684 SCR \u64cd\u4f5c\u3002\u4e3a\u5b89\u5168\u8d77\u89c1\uff0c\u8bf7\u5728\u6bcf\u6b21\u6362\u6cb9\u65f6\u8865\u5145 DEF\u3002<\/p>\n<h3 id=\"19-what-is-the-reductant-tank-temperature-sensor-voltage-range-\">\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u7535\u538b\u8303\u56f4\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u53ef\u63a5\u53d7\u7684\u7535\u538b\u8303\u56f4\u56e0\u8f66\u8f86\u800c\u5f02\uff0c\u4f46\u901a\u5e38\u5728 0-5 \u4f0f\u4e4b\u95f4\u3002\u8bf7\u53c2\u8003\u60a8\u8f66\u8f86\u7684\u670d\u52a1\u624b\u518c\u6216\u63a5\u7ebf\u56fe\u4ee5\u83b7\u53d6\u786e\u5207\u89c4\u683c\u3002\u8d85\u51fa\u6b64\u8303\u56f4\u7684\u8bfb\u6570\u5c06\u89e6\u53d1 P205B\u3002<\/p>\n<h3 id=\"20-can-extreme-temperatures-cause-a-p205b-code-\">\u6781\u7aef\u6e29\u5ea6\u4f1a\u5bfc\u81f4 P205B \u4ee3\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u867d\u7136\u4f4e\u4e8e 12\u00b0F (-11\u00b0C) \u7684\u6781\u51b7\u6e29\u5ea6\u4f1a\u5bfc\u81f4 DEF \u51bb\u7ed3\u5e76\u89e6\u53d1 P205B\uff0c\u4f46\u6781\u9ad8\u7684\u73af\u5883\u6e29\u5ea6\u4e5f\u53ef\u80fd\u5bfc\u81f4\u95ee\u9898\u3002\u5982\u679c DEF 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\u7535\u8def<\/p>\n","protected":false},"author":13,"featured_media":287636,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-287634","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\/287634","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=287634"}],"version-history":[{"count":4,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/287634\/revisions"}],"predecessor-version":[{"id":288535,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/287634\/revisions\/288535"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/media\/287636"}],"wp:attachment":[{"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/media?parent=287634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/categories?post=287634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/tags?post=287634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}