{"id":287581,"date":"2024-10-23T04:42:56","date_gmt":"2024-10-23T04:42:56","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287581"},"modified":"2024-11-04T07:54:25","modified_gmt":"2024-11-04T07:54:25","slug":"p202f-reductant-tank-temperature-sensor-circuit-range-performance","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p202f-reductant-tank-temperature-sensor-circuit-range-performance\/","title":{"rendered":"P202F &#8211; \u8fd8\u539f\u5242\u7bb1\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u8303\u56f4\/\u6027\u80fd"},"content":{"rendered":"<p>P202F &#8211; \u8fd8\u539f\u5242\u7bb1\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u8303\u56f4\/\u6027\u80fd<\/p>\n<h2 id=\"urgency-assessment\">\u7d27\u6025\u7a0b\u5ea6\u8bc4\u4f30<\/h2>\n<p>P202F 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class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\uff0c\u6211\u4eec\u9047\u5230\u8fc7\u8bb8\u591a\u6b27\u6d32\u6c7d\u8f66\u54c1\u724c\u51fa\u73b0P202F\u4ee3\u7801\uff0c\u6885\u8d5b\u5fb7\u65af-\u5954\u9a70\u3001\u5b9d\u9a6c\u548c\u5965\u8fea\u662f\u6700\u5e38\u89c1\u7684\u54c1\u724c\u3002\u6211\u4eec\u6ce8\u610f\u5230\uff0c\u8fd9\u4e2a\u4ee3\u7801\u7ecf\u5e38\u51fa\u73b0\u5728\u914d\u5907\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\u7cfb\u7edf\uff08SCR\uff09\u7684\u67f4\u6cb9\u8f66\u578b\u4e2d\u3002\u6839\u636e\u6211\u4eec\u7684\u7ecf\u9a8c\uff0c\u95ee\u9898\u901a\u5e38\u4e0e\u8fd8\u539f\u5242\u4f9b\u5e94\u6cf5\u6216\u5176\u63a7\u5236\u7535\u8def\u6709\u5173\u3002\u5728\u6885\u8d5b\u5fb7\u65af\u8f66\u8f86\u4e2d\uff0c\u6211\u4eec\u53d1\u73b0\u6709\u6545\u969c\u7684DEF\uff08\u67f4\u6cb9\u6392\u653e\u6db2\uff09\u6cf5\u662f\u5e38\u89c1\u7684\u539f\u56e0\uff0c\u800c\u5b9d\u9a6c\u901a\u5e38\u4f1a\u5728SCR\u7cfb\u7edf\u7684\u7ebf\u8def\u4e0a\u51fa\u73b0\u95ee\u9898\u3002\u5965\u8fea\u5219\u66f4\u5bb9\u6613\u9047\u5230DEF\u8d28\u91cf\u4f20\u611f\u5668\u95ee\u9898\u3002\u6709\u8da3\u7684\u662f\uff0c\u6211\u4eec\u5728\u7f8e\u56fd\u6216\u4e9a\u6d32\u7684\u8f66\u8f86\u4e2d\u53d1\u73b0\u6b64\u4ee3\u7801\u7684\u60c5\u51b5\u8f83\u5c11\uff0c\u8fd9\u8868\u660e\u6b27\u6d32\u5236\u9020\u5546\u53ef\u80fd\u66f4\u5bb9\u6613\u9047\u5230\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u80fd\u662f\u56e0\u4e3a\u4ed6\u4eec\u7684\u6392\u653e\u63a7\u5236\u7cfb\u7edf\u66f4\u590d\u6742\u3002<\/p>\n<\/div>\n<ol>\n<li>\u71c3\u6cb9\u6548\u7387\u964d\u4f4e<\/li>\n<li>\u6392\u6c14\u7ba1\u5192\u51fa\u8fc7\u591a\u7684\u9ed1\u70df<\/li>\n<li>\u53d1\u52a8\u673a\u6027\u80fd\u4e0b\u964d<\/li>\n<li>\u50ac\u5316\u8f6c\u5316\u5668\u53ef\u80fd\u53d7\u635f<\/li>\n<\/ol>\n<p>\u5efa\u8bae\u5c3d\u5feb\u7531\u5408\u683c\u7684\u6280\u672f\u4eba\u5458\u5bf9\u8f66\u8f86\u8fdb\u884c\u68c0\u67e5\u3002\u5982\u679c\u75c7\u72b6\u6076\u5316\uff0c\u8003\u8651\u5728\u95ee\u9898\u89e3\u51b3\u524d\u9650\u5236\u9a7e\u9a76\u3002<\/p>\n<h2 id=\"detailed-code-information\">\u4ee3\u7801\u8be6\u7ec6\u4fe1\u606f<\/h2>\n<p>P202F \u662f\u9002\u7528\u4e8e OBD-II \u8f66\u8f86\uff081996\u5e74\u53ca\u66f4\u65b0\u8f66\u578b\uff09\u7684\u901a\u7528\u52a8\u529b\u603b\u6210\u4ee3\u7801\u3002\u5b83\u8868\u660e\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757\uff08PCM\uff09\u68c0\u6d4b\u5230\u8fd8\u539f\u5242\/\u518d\u751f\u4f9b\u5e94\u63a7\u5236\u7535\u8def\u7684\u8303\u56f4\u6216\u6027\u80fd\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n<p>\u867d\u7136\u5b83\u662f\u901a\u7528\u4ee3\u7801\uff0c\u4f46\u5177\u4f53\u7684\u7ef4\u4fee\u6b65\u9aa4\u53ef\u80fd\u4f1a\u6839\u636e\u8f66\u8f86\u7684\u54c1\u724c\u3001\u578b\u53f7\u548c\u5e74\u4efd\u800c\u6709\u6240\u4e0d\u540c\u3002\u8be5\u4ee3\u7801\u901a\u5e38\u51fa\u73b0\u5728\u914d\u5907\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff08SCR\uff09\u7cfb\u7edf\u7684\u67f4\u6cb9\u53d1\u52a8\u673a\u4e2d\u3002<\/p>\n<h2 id=\"components-involved\">\u6d89\u53ca\u7684\u7ec4\u4ef6<\/h2>\n<p>P202F\u4ee3\u7801\u4e3b\u8981\u6d89\u53caSCR\u7cfb\u7edf\uff0c\u5b83\u5bf9\u67f4\u6cb9\u53d1\u52a8\u673a\u4e2d\u51cf\u5c11NOx\u6392\u653e\u81f3\u5173\u91cd\u8981\u3002\u5173\u952e\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\u8fd8\u539f\u5242\/\u518d\u751f\u4f9b\u5e94\u6cf5<\/li>\n<li>\u67f4\u6cb9\u6392\u653e\u6db2\uff08DEF\uff09\u55b7\u5c04\u5668<\/li>\n<li>DEF\u50a8\u7f50\u548c\u7ba1\u7ebf<\/li>\n<li>\u538b\u529b\u548c\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>PCM\u6216\u4e13\u7528\u7684SCR\u63a7\u5236\u5668<\/li>\n<\/ol>\n<p>\u8fd8\u539f\u5242\u4f9b\u5e94\u6cf5\u5c06DEF\u52a0\u538b\u4ee5\u55b7\u5c04\u5230\u6392\u6c14\u7ba1\u4e2d\u3002PCM\u76d1\u63a7\u6cf5\u7684\u7535\u538b\u548c\u8d1f\u8f7d\u767e\u5206\u6bd4\uff0c\u4ee5\u53ca\u7cfb\u7edf\u538b\u529b\uff0c\u4ee5\u786e\u4fdd\u6b63\u5e38\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<ol>\n<li>\u8fd8\u539f\u5242\u4f9b\u5e94\u6cf5\u6545\u969c\uff08\u6700\u5e38\u89c1\uff09<\/li>\n<li>\u8fd8\u539f\u5242\u4f9b\u5e94\u63a7\u5236\u4e2d\u7684\u7535\u8def\u5f00\u8def\u6216\u77ed\u8def<\/li>\n<li>PCM\u6216SCR\u63a7\u5236\u5668\u6545\u969c<\/li>\n<li>DEF\u55b7\u5c04\u5668\u5835\u585e\u6216\u635f\u574f<\/li>\n<li>DEF\u6db2\u4f53\u53d7\u6c61\u67d3\u6216\u4e0d\u6b63\u786e<\/li>\n<li>DEF\u7cfb\u7edf\u6cc4\u6f0f<\/li>\n<li>\u538b\u529b\u6216\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c<\/li>\n<\/ol>\n<h2 id=\"diagnostic-procedure\">\u8bca\u65ad\u7a0b\u5e8f<\/h2>\n<ol>\n<li>\u8fde\u63a5OBD-II\u626b\u63cf\u4eea\u5e76\u9a8c\u8bc1P202F\u4ee3\u7801<\/li>\n<li>\u68c0\u67e5\u662f\u5426\u6709\u5176\u4ed6\u76f8\u5173\u4ee3\u7801<\/li>\n<li>\u67e5\u770b\u51bb\u7ed3\u5e27\u6570\u636e\uff0c\u4e86\u89e3\u4ee3\u7801\u8bbe\u7f6e\u65f6\u7684\u6761\u4ef6<\/li>\n<li>\u68c0\u67e5DEF\u6db2\u4f4d\u548c\u8d28\u91cf<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5DEF\u7cfb\u7edf\u7ec4\u4ef6\u662f\u5426\u635f\u574f\u6216\u6cc4\u6f0f<\/li>\n<li>\u4f7f\u7528\u6570\u5b57\u4e07\u7528\u8868\uff08DVOM\uff09\u6d4b\u8bd5\u8fd8\u539f\u5242\u4f9b\u5e94\u6cf5\uff1a\n<ul>\n<li>\u6d4b\u91cf\u7535\u963b\uff08\u5178\u578b\u8303\u56f4\uff1a1-5\u6b27\u59c6\uff09<\/li>\n<li>\u68c0\u67e5\u7535\u538b\uff08\u6fc0\u6d3b\u65f6\u5e94\u63a5\u8fd1\u7535\u6c60\u7535\u538b\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\u68c0\u67e5\u7ebf\u8def\u548c\u8fde\u63a5\u5668\u662f\u5426\u635f\u574f\u6216\u8150\u8680<\/li>\n<li>\u6d4b\u8bd5\u538b\u529b\u548c\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u4f7f\u7528\u626b\u63cf\u5de5\u5177\u624b\u52a8\u6fc0\u6d3b\u6cf5\u5e76\u76d1\u63a7\u7cfb\u7edf\u538b\u529b<\/li>\n<\/ol>\n<p>\u6240\u9700\u5de5\u5177\uff1aOBD-II\u626b\u63cf\u4eea\uff0cDVOM\uff0c\u5236\u9020\u5546\u7279\u5b9a\u7684\u8bca\u65ad\u4fe1\u606f<\/p>\n<h2 id=\"solutions\">\u89e3\u51b3\u65b9\u6848<\/h2>\n<ol>\n<li>\u66f4\u6362\u6545\u969c\u7684\u8fd8\u539f\u5242\u4f9b\u5e94\u6cf5<\/li>\n<li>\u4fee\u590d\u6216\u66f4\u6362\u635f\u574f\u7684\u7ebf\u8def\u548c\u8fde\u63a5\u5668<\/li>\n<li>\u6e05\u6d01\u6216\u66f4\u6362\u5835\u585e\u7684DEF\u55b7\u5c04\u5668<\/li>\n<li>\u8865\u5145\u6216\u66f4\u6362\u53d7\u6c61\u67d3\u7684DEF\u6db2\u4f53<\/li>\n<li>\u66f4\u6362\u6545\u969c\u7684\u4f20\u611f\u5668<\/li>\n<li>\u5728\u7f55\u89c1\u60c5\u51b5\u4e0b\uff0c\u66f4\u6362PCM\u6216SCR\u63a7\u5236\u5668<\/li>\n<\/ol>\n<h2 id=\"prevention\">\u9884\u9632\u63aa\u65bd<\/h2>\n<ol>\n<li>\u4f7f\u7528\u9ad8\u8d28\u91cf\u7684DEF\u6db2\u4f53\uff0c\u5e76\u4fdd\u6301\u9002\u5f53\u7684\u6db2\u4f4d<\/li>\n<li>\u5b9a\u671f\u68c0\u67e5DEF\u7cfb\u7edf\u7ec4\u4ef6\u662f\u5426\u6709\u6cc4\u6f0f\u6216\u635f\u574f<\/li>\n<li>\u9075\u5faa\u5236\u9020\u5546\u63a8\u8350\u7684\u7ef4\u62a4\u8ba1\u5212<\/li>\n<li>\u53ca\u65f6\u5904\u7406\u4efb\u4f55\u4e0eDEF\u76f8\u5173\u7684\u8b66\u544a\u706f<\/li>\n<\/ol>\n<h2 id=\"cost-analysis\">\u6210\u672c\u5206\u6790<\/h2>\n<p>\u9884\u8ba1\u7ef4\u4fee\u6210\u672c\uff08\u7f8e\u5143\/\u6b27\u5143\uff09\uff1a<\/p>\n<ul>\n<li>\u8fd8\u539f\u5242\u4f9b\u5e94\u6cf5\u66f4\u6362\uff1a$300-$800 \/ \u20ac250-\u20ac675<\/li>\n<li>DEF\u55b7\u5c04\u5668\u66f4\u6362\uff1a$200-$500 \/ \u20ac170-\u20ac425<\/li>\n<li>\u7ebf\u8def\u7ef4\u4fee\uff1a$100-$300 \/ \u20ac85-\u20ac250<\/li>\n<li>PCM\u66f4\u6362\uff08\u7f55\u89c1\uff09\uff1a$500-$1500 \/ \u20ac425-\u20ac1275<\/li>\n<\/ul>\n<p>\u4eba\u5de5\u6210\u672c\u56e0\u5730\u533a\u548c\u8f66\u95f4\u8d39\u7387\u800c\u5f02\u3002<\/p>\n<h2 id=\"diy-repair-guide\">DIY\u7ef4\u4fee\u6307\u5357<\/h2>\n<p>\u9002\u5408\u6709\u7ecf\u9a8c\u7684\u673a\u68b0\u5e08\uff1a<\/p>\n<ol>\n<li>\u786e\u4fdd\u4f69\u6234\u9002\u5f53\u7684\u5b89\u5168\u8bbe\u5907\uff08\u624b\u5957\u3001\u773c\u90e8\u9632\u62a4\uff09<\/li>\n<li>\u65ad\u5f00\u7535\u6c60\u8fde\u63a5<\/li>\n<li>\u627e\u5230\u8fd8\u539f\u5242\u4f9b\u5e94\u6cf5\uff08\u901a\u5e38\u4f4d\u4e8eDEF\u50a8\u7f50\u9644\u8fd1\uff09<\/li>\n<li>\u65ad\u5f00\u7535\u6c14\u8fde\u63a5\u548cDEF\u7ba1\u7ebf<\/li>\n<li>\u62c6\u4e0b\u5b89\u88c5\u87ba\u6813\u5e76\u53d6\u51fa\u6cf5<\/li>\n<li>\u5b89\u88c5\u65b0\u6cf5\uff0c\u786e\u4fdd\u5bf9\u9f50\u6b63\u786e<\/li>\n<li>\u91cd\u65b0\u8fde\u63a5DEF\u7ba1\u7ebf\u548c\u7535\u6c14\u8fde\u63a5<\/li>\n<li>\u5fc5\u8981\u65f6\u8865\u5145DEF\u50a8\u7f50<\/li>\n<li>\u6e05\u9664DTC\u5e76\u8fdb\u884c\u7cfb\u7edf\u6d4b\u8bd5<\/li>\n<\/ol>\n<h2 id=\"related-issues\">\u76f8\u5173\u95ee\u9898<\/h2>\n<p>P202F\u53ef\u80fd\u4e0e\u5176\u4ed6SCR\u76f8\u5173\u4ee3\u7801\u4e00\u8d77\u51fa\u73b0\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>P20EE\uff08SCR NOx\u50ac\u5316\u5242\u6548\u7387\u4f4e\u4e8e\u9608\u503c\uff09<\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p204f-reductant-system-performance\/\" title=\"P204F\uff08\u8fd8\u539f\u5242\u7cfb\u7edf\u6027\u80fd\uff09\">P204F\uff08\u8fd8\u539f\u5242\u7cfb\u7edf\u6027\u80fd\uff09<\/a><\/li>\n<li>P203F\uff08\u8fd8\u539f\u5242\u6db2\u4f4d\u4f20\u611f\u5668\u7535\u8def\u8303\u56f4\/\u6027\u80fd\uff09<\/li>\n<\/ul>\n<p>\u59cb\u7ec8\u8fdb\u884c\u5168\u9762\u626b\u63cf\uff0c\u4ee5\u8bc6\u522b\u6240\u6709\u76f8\u5173\u95ee\u9898\u3002<\/p>\n<h2 id=\"technical-specifications\">\u6280\u672f\u89c4\u683c<\/h2>\n<ul>\n<li>DEF\u6cf5\u538b\u529b\uff1a\u901a\u5e38\u4e3a4.5-5.5 bar\uff0865-80 psi\uff09<\/li>\n<li>DEF\u55b7\u5c04\u6e29\u5ea6\u8303\u56f4\uff1a-11\u00b0C\u81f332\u00b0C\uff0812\u00b0F\u81f390\u00b0F\uff09<\/li>\n<li>\u5178\u578bDEF\u6d88\u8017\u91cf\uff1a\u71c3\u6cb9\u6d88\u8017\u91cf\u76842-3%<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u53ca\u65f6\u3001\u5f7b\u5e95\u5730\u89e3\u51b3P202F\uff0c\u5de5\u7a0b\u5e08\u548c\u673a\u68b0\u5e08\u53ef\u4ee5\u786e\u4fddSCR\u7cfb\u7edf\u7684\u6700\u4f73\u6027\u80fd\uff0c\u4fdd\u6301\u53d1\u52a8\u673a\u6548\u7387\u5e76\u7b26\u5408\u73af\u4fdd\u8981\u6c42\u3002<\/p>\n<h2 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