{"id":287301,"date":"2024-10-21T05:46:08","date_gmt":"2024-10-21T05:46:08","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287301"},"modified":"2024-11-01T11:20:35","modified_gmt":"2024-11-01T11:20:35","slug":"p0641-sensor-reference-voltage-a-circuit-open","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p0641-sensor-reference-voltage-a-circuit-open\/","title":{"rendered":"P0641 &#8211; \u4f20\u611f\u5668\u53c2\u8003\u7535\u538b\u201cA\u201d\u7535\u8def\/\u5f00\u8def"},"content":{"rendered":"<h2 id=\"what-is-the-p0641-code-\">\u4ec0\u4e48\u662fP0641\u6545\u969c\u7801\uff1f<\/h2>\n<p>P0641\u6545\u969c\u7801\u8868\u793a\u201c\u4f20\u611f\u5668\u53c2\u8003\u7535\u538bA\u7535\u8def\/\u5f00\u8def\u201d\u3002\u8fd9\u610f\u5473\u7740\u68c0\u6d4b\u5230\u4e3a\u591a\u4e2a\u53d1\u52a8\u673a\u4f20\u611f\u5668\u4f9b\u7535\u76845V\u53c2\u8003\u7535\u538b\u7535\u8def\u201cA\u201d\u51fa\u73b0\u95ee\u9898\u3002\u8be5\u4ee3\u7801\u662f\u901a\u7528\u52a8\u529b\u603b\u6210\u4ee3\u7801\uff0c\u9002\u7528\u4e8e\u6240\u6709\u914d\u5907OBD-II\u7cfb\u7edf\u7684\u8f66\u578b\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\uff0c\u6211\u4eec\u7ecf\u5e38\u770b\u5230P0641\u6545\u969c\u7801\u51fa\u73b0\u5728\u5404\u79cd\u54c1\u724c\u548c\u8f66\u578b\u4e2d\u3002\u6b27\u6d32\u8f66\u4f3c\u4e4e\u5c24\u5176\u5bb9\u6613\u51fa\u73b0\u8fd9\u4e2a\u95ee\u9898\uff0c\u5c24\u5176\u662f\u5927\u4f17\u3001\u5965\u8fea\u548c\u5b9d\u9a6c\u54c1\u724c\u3002\u5c31\u5728\u4e0a\u5468\uff0c\u6211\u4eec\u6709\u4e00\u8f862010\u5e74\u6b3e\u5927\u4f17Jetta TDI\u8fdb\u6765\uff0c\u987d\u56fa\u7684P0641\u6545\u969c\u7801\u65e0\u8bba\u6211\u4eec\u62d4\u6389\u54ea\u4e2a\u4f20\u611f\u5668\u90fd\u65e0\u6cd5\u6e05\u9664\u3002\u867d\u7136\u8f66\u8f86\u53ef\u4ee5\u542f\u52a8\u5e76\u8fd0\u884c\uff0c\u4f46\u5b83\u8fdb\u5165\u4e86\u8ddb\u884c\u6a21\u5f0f\uff0c\u5bfc\u81f4\u65e0\u6cd5\u6b63\u5e38\u884c\u9a76\u3002\u5728\u4ed4\u7ec6\u68c0\u67e5\u7ebf\u8def\u56fe\u5e76\u6d4b\u8bd5\u6bcf\u4e2a\u8fde\u63a5\u540e\uff0c\u6211\u4eec\u6700\u7ec8\u53d1\u73b0\u95ee\u9898\u662f\u9632\u706b\u5899\u9644\u8fd1\u7684\u7ebf\u675f\u78e8\u635f\uff0c\u5bfc\u81f45V\u53c2\u8003\u7535\u538b\u7535\u8def\u51fa\u73b0\u95f4\u6b47\u6027\u5f00\u8def\u3002\u4fee\u590d\u7ebf\u675f\u540e\uff0c\u6545\u969c\u7801\u6d88\u5931\uff0c\u8f66\u8f86\u529f\u80fd\u6062\u590d\u6b63\u5e38\u3002\u4e0d\u8fc7\uff0c\u6709\u65f6\u5019\u95ee\u9898\u4e0d\u90a3\u4e48\u7b80\u5355\uff0c\u6709\u65f6\u53ef\u80fd\u662f\u4f20\u611f\u5668\u6545\u969c\u751a\u81f3PCM\uff08\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757\uff09\u6545\u969c\u6240\u81f4\u3002\u65e0\u8bba\u5982\u4f55\uff0c\u5f7b\u5e95\u7684\u8bca\u65ad\u662f\u89e3\u51b3\u6b64\u7c7b\u68d8\u624b\u6545\u969c\u7801\u7684\u5173\u952e\u3002<\/p>\n<\/div>\n<h2 id=\"urgency-and-severity\">\u7d27\u6025\u6027\u548c\u4e25\u91cd\u6027<\/h2>\n<p><strong>\u5e26\u7740P0641\u6545\u969c\u7801\u8fd8\u80fd\u9a7e\u9a76\u5417\uff1f<\/strong><br \/>\n\u77ed\u671f\u5185\u53ef\u4ee5\u5e26\u7740P0641\u6545\u969c\u7801\u9a7e\u9a76\uff0c\u4f46\u5e76\u4e0d\u63a8\u8350\u3002\u7ee7\u7eed\u9a7e\u9a76\u53ef\u80fd\u4f1a\u5bfc\u81f4\u53d1\u52a8\u673a\u6027\u80fd\u4e0b\u964d\u3001\u71c3\u6cb9\u6548\u7387\u964d\u4f4e\uff0c\u751a\u81f3\u51fa\u73b0\u5176\u4ed6\u6f5c\u5728\u635f\u574f\u3002\u56e0\u6b64\uff0c\u6700\u597d\u5c3d\u5feb\u8bca\u65ad\u5e76\u4fee\u590d\u95ee\u9898\u3002<\/p>\n<p><strong>\u5e26\u7740P0641\u9a7e\u9a76\u5b89\u5168\u5417\uff1f<\/strong><br \/>\n\u4e0d\u5efa\u8bae\u7ee7\u7eed\u9a7e\u9a76\u5e26\u6709P0641\u6545\u969c\u7801\u7684\u8f66\u8f86\u3002\u8be5\u6545\u969c\u7801\u8868\u660e\u53c2\u8003\u7535\u538b\u5b58\u5728\u95ee\u9898\uff0c\u53ef\u80fd\u5bfc\u81f4\u5173\u952e\u53d1\u52a8\u673a\u4f20\u611f\u5668\u8bfb\u53d6\u6570\u636e\u4e0d\u51c6\u786e\uff0c\u4ece\u800c\u5f15\u53d1\u53ef\u9a7e\u9a76\u6027\u95ee\u9898\uff0c\u751a\u81f3\u635f\u574f\u53d1\u52a8\u673a\u3002\u5efa\u8bae\u53ca\u65f6\u89e3\u51b3\u8be5\u95ee\u9898\u3002<\/p>\n<h2 id=\"technical-details\">\u6280\u672f\u7ec6\u8282<\/h2>\n<p><strong>P0641\u6545\u969c\u7801\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\nP0641\u662f\u901a\u7528OBD-II\u6545\u969c\u7801\uff0c\u8868\u793a\u201c\u4f20\u611f\u5668\u53c2\u8003\u7535\u538bA\u7535\u8def\/\u5f00\u8def\u201d\u3002\u5b83\u8868\u660e\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757\uff08PCM\uff09\u68c0\u6d4b\u52305V\u53c2\u8003\u7535\u538b\u7535\u8def\u201cA\u201d\u7684\u7535\u538b\u8bfb\u6570\u8d85\u51fa\u4e86\u6b63\u5e38\u8303\u56f4\uff0c\u53ef\u80fd\u8fc7\u9ad8\u6216\u8fc7\u4f4e\u3002<\/p>\n<p><strong>\u5bfc\u81f4P0641\u6545\u969c\u7801\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\n\u5bfc\u81f4P0641\u6545\u969c\u7801\u7684\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u75315V\u53c2\u8003\u7535\u538b\u201cA\u201d\u4f9b\u7535\u7684\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>5V\u53c2\u8003\u7535\u8def\u4e2d\u7684\u7ebf\u675f\u635f\u574f\u6216\u8fde\u63a5\u5668\u677e\u52a8\/\u8150\u8680<\/li>\n<li>5V\u53c2\u8003\u7ebf\u675f\u4e2d\u7684\u77ed\u8def\u6216\u5f00\u8def<\/li>\n<li>PCM\u6545\u969c\uff08\u7f55\u89c1\uff09<\/li>\n<\/ul>\n<p><strong>\u54ea\u4e9b\u4f20\u611f\u5668\u4f7f\u75285V\u53c2\u8003\u7535\u538b\u201cA\u201d\uff1f<\/strong><br \/>\n5V\u53c2\u8003\u7535\u538b\u201cA\u201d\u4e3a\u591a\u4e2a\u4f20\u611f\u5668\u4f9b\u7535\uff0c\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8fdb\u6c14\u6b67\u7ba1\u7edd\u5bf9\u538b\u529b\uff08MAP\uff09\u4f20\u611f\u5668<\/li>\n<li>\u6cb9\u7bb1\u538b\u529b\u4f20\u611f\u5668<\/li>\n<li>\u7a7a\u8c03\u538b\u529b\u4f20\u611f\u5668<\/li>\n<li>\u52a0\u901f\u8e0f\u677f\u4f4d\u7f6e\uff08APP\uff09\u4f20\u611f\u5668<\/li>\n<li>\u53d1\u52a8\u673a\u6cb9\u538b\u4f20\u611f\u5668<\/li>\n<li>\u51f8\u8f6e\u8f74\u4f4d\u7f6e\u4f20\u611f\u5668<\/li>\n<\/ul>\n<p><strong>\u5982\u4f55\u8bca\u65adP0641\u6545\u969c\u7801\uff1f<\/strong><br \/>\n\u8bca\u65adP0641\u6545\u969c\u7801\u7684\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u626b\u63cf\u5176\u4ed6\u6545\u969c\u7801\u3002\u9996\u5148\u4fee\u590d\u4efb\u4f55\u7535\u8def\u7535\u538b\u8fc7\u4f4e\/\u8fc7\u9ad8\u7684\u6545\u969c\u7801\u3002<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5\u7ebf\u675f\u662f\u5426\u6709\u635f\u574f\uff0c\u5c24\u5176\u662f\u9760\u8fd1\u5de6\u7f38\u76d6\u7684\u533a\u57df\u3002\u5bfb\u627e\u78e8\u635f\u3001\u70e7\u7126\u3001\u65ad\u88c2\u6216\u8150\u8680\u7684\u7ebf\u675f\u548c\u8fde\u63a5\u5668\u3002<\/li>\n<li>\u4f7f\u7528\u4e07\u7528\u8868\u6d4b\u8bd5\u6bcf\u4e2a\u4f20\u611f\u5668\u76845V\u53c2\u8003\u7535\u538b\u3002\u70b9\u706b\u5f00\u5173\u5f00\u542f\u65f6\uff0c\u5e94\u7a33\u5b9a\u5728\u7ea65V\u3002<\/li>\n<li>\u5982\u679c\u6240\u6709\u4f20\u611f\u5668\u76845V\u53c2\u8003\u7535\u538b\u90fd\u4e0d\u6b63\u5e38\uff0c\u6000\u7591PCM\u6216\u4e3b5V\u53c2\u8003\u7535\u8def\u7684\u7ebf\u675f\u95ee\u9898\u3002<\/li>\n<li>\u5982\u679c\u4ec5\u6709\u4e00\u4e2a\u4f20\u611f\u5668\u76845V\u53c2\u8003\u7535\u538b\u4e0d\u6b63\u5e38\uff0c\u53ef\u80fd\u662f\u8be5\u4f20\u611f\u5668\u6216\u5176\u7ebf\u675f\u6545\u969c\u3002\u9010\u4e00\u65ad\u5f00\u4f20\u611f\u5668\uff0c\u770b\u6545\u969c\u7801\u662f\u5426\u6d88\u5931\u3002<\/li>\n<li>\u4fee\u590d\u4efb\u4f55\u635f\u574f\u7684\u7ebf\u675f\uff0c\u5fc5\u8981\u65f6\u66f4\u6362\u6545\u969c\u4f20\u611f\u5668\u6216PCM\u3002<\/li>\n<\/ol>\n<h2 id=\"repairs-and-cost\">\u4fee\u7406\u4e0e\u6210\u672c<\/h2>\n<p><strong>\u4fee\u590dP0641\u6545\u969c\u7801\u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/strong><br \/>\u4fee\u7406P0641\u6545\u969c\u7801\u7684\u8d39\u7528\u53d6\u51b3\u4e8e\u6839\u672c\u539f\u56e0\uff1a<\/p>\n<ul>\n<li>\u66f4\u6362\u6545\u969c\u4f20\u611f\u5668\uff1a100-300\u7f8e\u5143\uff0890-270\u6b27\u5143\uff09<\/li>\n<li>\u4fee\u590d\u7ebf\u675f\u635f\u574f\uff1a100-200\u7f8e\u5143\uff0890-180\u6b27\u5143\uff09<\/li>\n<li>\u66f4\u6362PCM\uff1a500-1500\u7f8e\u5143\uff08450-1350\u6b27\u5143\uff09<\/li>\n<\/ul>\n<p><strong>\u6211\u53ef\u4ee5\u81ea\u5df1\u4fee\u590dP0641\u6545\u969c\u7801\u5417\uff1f<\/strong><br \/>\n\u8bca\u65ad\u548c\u4fee\u590dP0641\u6545\u969c\u7801\u9700\u8981\u4e2d\u7ea7\u5230\u9ad8\u7ea7\u7684\u6280\u80fd\u3002\u5982\u679c\u60a8\u5bf9\u8f66\u8f86\u7ebf\u675f\u548c\u4f20\u611f\u5668\u6709\u4e00\u5b9a\u7684\u4e86\u89e3\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u8bca\u65ad\u5e76\u4fee\u590d\u635f\u574f\u7684\u7ebf\u675f\u6216\u4f20\u611f\u5668\u6545\u969c\u3002\u4e0d\u8fc7\uff0cPCM\u95ee\u9898\u8f83\u4e3a\u590d\u6742\uff0c\u53ef\u80fd\u9700\u8981\u4e13\u4e1a\u7684\u8bca\u65ad\u548c\u4fee\u7406\u3002<\/p>\n<h2 id=\"prevention\">\u9884\u9632\u63aa\u65bd<\/h2>\n<p>\u4e3a\u4e86\u9884\u9632P0641\u6545\u969c\u7801\u7684\u53d1\u751f\uff1a<\/p>\n<ul>\n<li>\u7ef4\u62a4\u53d1\u52a8\u673a\u7ebf\u675f\uff0c\u5b9a\u671f\u68c0\u67e5\u662f\u5426\u6709\u635f\u574f\u5e76\u53ca\u65f6\u4fee\u7406\u3002<\/li>\n<li>\u907f\u514d\u6db2\u4f53\u6e85\u5230\u7535\u6c14\u8fde\u63a5\u5668\u4e0a\uff0c\u4ee5\u9632\u6b62\u8150\u8680\u3002<\/li>\n<li>\u5728\u5904\u7406\u7ebf\u675f\u65f6\u8981\u5c0f\u5fc3\uff0c\u907f\u514d\u65e0\u610f\u4e2d\u635f\u574f\u5b83\u3002<\/li>\n<li>\u53ca\u65f6\u89e3\u51b3\u5176\u4ed6\u4f20\u611f\u5668\u6216\u7ebf\u675f\u95ee\u9898\uff0c\u4ee5\u907f\u514d\u5bf95V\u53c2\u8003\u7535\u8def\u9020\u6210\u989d\u5916\u538b\u529b\u3002<\/li>\n<\/ul>\n<h2 id=\"related-issues\">\u76f8\u5173\u95ee\u9898<\/h2>\n<p>P0641\u6545\u969c\u7801\u53ef\u80fd\u4e0e\u5176\u4ed6\u4f20\u611f\u5668\u7535\u8def\u7535\u538b\u9ad8\/\u4f4e\u6545\u969c\u7801\u4e00\u8d77\u51fa\u73b0\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0106-map-baro-pressure-circuit-range-performance\/\" title=\"P0106\">P0106<\/a>&#8211;<a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0109-manifold-absolute-pressure-barometric-pressure-circuit-intermittent\/\" title=\"P0109\uff08MAP\u4f20\u611f\u5668\uff09\">P0109\uff08MAP\u4f20\u611f\u5668\uff09<\/a><\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0452-evap-pressure-sensor-low-input\/\" title=\"P0452\">P0452<\/a>&#8211;<a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0453-evap-pressure-sensor-high-input\/\" title=\"P0453\uff08\u6cb9\u7bb1\u538b\u529b\u4f20\u611f\u5668\uff09\">P0453\uff08\u6cb9\u7bb1\u538b\u529b\u4f20\u611f\u5668\uff09<\/a><\/li>\n<li>P0530-P0533\uff08\u7a7a\u8c03\u538b\u529b\u4f20\u611f\u5668\uff09<\/li>\n<li>P2122-P2127\uff08APP\u4f20\u611f\u5668\uff09<\/li>\n<li>P0520-P0523\uff08\u53d1\u52a8\u673a\u6cb9\u538b\u4f20\u611f\u5668\uff09<\/li>\n<li>P0340-P0344\uff08\u51f8\u8f6e\u8f74\u4f4d\u7f6e\u4f20\u611f\u5668\uff09<\/li>\n<\/ul>\n<p>\u89e3\u51b3P0641\u6545\u969c\u7801\u7684\u6839\u672c\u539f\u56e0\u5e94\u80fd\u591f\u89e3\u51b3\u8fd9\u4e9b\u76f8\u5173\u4ee3\u7801\u3002\u53c2\u8003\u7535\u538b\u8fc7\u4f4e\u7684\u4f20\u611f\u5668\u9519\u8bef\u8bfb\u53d6\u4e5f\u53ef\u80fd\u4f1a\u89e6\u53d1P0300-P0308\uff08\u5931\u706b\u4ee3\u7801\uff09\u3001P0171-P0175\uff08\u71c3\u6cb9\u7a00\/\u6d53\u6545\u969c\u7801\uff09\u6216P0174-P0175\u3002<\/p>\n<p>\u603b\u4e4b\uff0cP0641\u6545\u969c\u7801\u8868\u793a5V\u53c2\u8003\u7535\u538b\u201cA\u201d\u7535\u8def\u5b58\u5728\u95ee\u9898\uff0c\u9700\u8981\u53ca\u65f6\u8bca\u65ad\u548c\u4fee\u7406\uff0c\u4ee5\u907f\u514d\u53ef\u9a7e\u9a76\u6027\u95ee\u9898\u548c\u6f5c\u5728\u7684\u53d1\u52a8\u673a\u635f\u574f\u3002\u5904\u7406\u7ebf\u675f\u548c\u4f20\u611f\u5668\u95ee\u9898\u9700\u8981\u4e2d\u9ad8\u7ea7\u7684DIY\u6280\u80fd\u3002\u8bca\u65ad\u548c\u4fee\u590d\u7535\u6c14\u95ee\u9898\u65f6\uff0c\u52a1\u5fc5\u67e5\u9605\u60a8\u8f66\u8f86\u7684\u5382\u5bb6\u7ef4\u4fee\u624b\u518c\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-p0641-code\">\u5173\u4e8eP0641\u6545\u969c\u7801\u7684\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3 id=\"what-does-the-p0641-code-mean-\">P0641\u6545\u969c\u7801\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>P0641\u6545\u969c\u7801\u8868\u793a\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757\uff08PCM\uff09\u68c0\u6d4b\u52305V\u53c2\u8003\u7535\u538b\u201cA\u201d\u7535\u8def\u7684\u7535\u538b\u8bfb\u6570\u8d85\u51fa\u6b63\u5e38\u8303\u56f4\uff0c\u53ef\u80fd\u8fc7\u9ad8\u6216\u8fc7\u4f4e\u3002<\/p>\n<h3 id=\"what-are-the-symptoms-of-the-p0641-code-\">P0641\u6545\u969c\u7801\u7684\u5e38\u89c1\u75c7\u72b6\u6709\u54ea\u4e9b\uff1f<\/h3>\n<p>\u5e38\u89c1\u75c7\u72b6\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u53d1\u52a8\u673a\u6545\u969c\u706f\u4eae\u8d77<\/li>\n<li>\u53d1\u52a8\u673a\u6027\u80fd\u4e0d\u4f73<\/li>\n<li>\u71c3\u6cb9\u6548\u7387\u964d\u4f4e<\/li>\n<li>\u8fd0\u884c\u7c97\u7cd9\u6216\u5931\u706b<\/li>\n<li>\u53d8\u901f\u7bb1\u6362\u6321\u95ee\u9898<\/li>\n<li>\u4f20\u611f\u5668\u8bfb\u53d6\u4e0d\u51c6\u786e<\/li>\n<\/ul>\n<h3 id=\"is-it-safe-to-drive-with-the-p0641-code-\">\u5e26\u7740P0641\u6545\u969c\u7801\u9a7e\u9a76\u662f\u5426\u5b89\u5168\uff1f<\/h3>\n<p>\u4e0d\u5efa\u8bae\u5e26\u7740P0641\u6545\u969c\u7801\u7ee7\u7eed\u9a7e\u9a76\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u53ef\u9a7e\u9a76\u6027\u95ee\u9898\uff0c\u751a\u81f3\u53ef\u80fd\u635f\u574f\u53d1\u52a8\u673a\u6216\u5176\u4ed6\u90e8\u4ef6\u3002\u5e94\u5c3d\u5feb\u5bf9\u95ee\u9898\u8fdb\u884c\u8bca\u65ad\u548c\u4fee\u7406\u3002<\/p>\n<h3 id=\"what-causes-the-p0641-code-\">\u5bfc\u81f4P0641\u6545\u969c\u7801\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u6f5c\u5728\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u75315V\u53c2\u8003\u7535\u538b\u201cA\u201d\u4f9b\u7535\u7684\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u7ebf\u675f\u635f\u574f\u6216\u8fde\u63a5\u5668\u677e\u52a8\/\u8150\u8680<\/li>\n<li>\u53c2\u8003\u7535\u8def\u4e2d\u7684\u77ed\u8def\u6216\u5f00\u8def<\/li>\n<li>PCM\u6545\u969c\uff08\u8f83\u4e3a\u7f55\u89c1\uff09<\/li>\n<\/ul>\n<h3 id=\"what-sensors-use-the-5v-reference-voltage-a-\">\u54ea\u4e9b\u4f20\u611f\u5668\u4f7f\u75285V\u53c2\u8003\u7535\u538b\u201cA\u201d\uff1f<\/h3>\n<p>\u4f7f\u7528\u6b64\u53c2\u8003\u7535\u538b\u7684\u4f20\u611f\u5668\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8d28\u91cf\u7a7a\u6c14\u6d41\u91cf\uff08MAF\uff09\u4f20\u611f\u5668<\/li>\n<li>\u8fdb\u6c14\u6b67\u7ba1\u7edd\u5bf9\u538b\u529b\uff08MAP\uff09\u4f20\u611f\u5668<\/li>\n<li>\u8282\u6c14\u95e8\u4f4d\u7f6e\u4f20\u611f\u5668\uff08TPS\uff09<\/li>\n<li>\u8f66\u901f\u4f20\u611f\u5668\uff08VSS\uff09<\/li>\n<li>\u6cb9\u7bb1\u538b\u529b\u4f20\u611f\u5668<\/li>\n<li>\u5404\u7c7b\u53d8\u901f\u7bb1\u4f20\u611f\u5668<\/li>\n<\/ul>\n<h3 id=\"how-do-you-diagnose-the-p0641-code-\">\u5982\u4f55\u8bca\u65adP0641\u6545\u969c\u7801\uff1f<\/h3>\n<p>\u8bca\u65ad\u6b65\u9aa4\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\u626b\u63cf\u5176\u4ed6\u6545\u969c\u7801\u5e76\u9996\u5148\u4fee\u590d\u5b83\u4eec<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5\u7ebf\u675f\u548c\u8fde\u63a5\u5668\u662f\u5426\u635f\u574f<\/li>\n<li>\u6d4b\u8bd5\u6bcf\u4e2a\u4f20\u611f\u5668\u76845V\u53c2\u8003\u7535\u538b<\/li>\n<li>\u5982\u679c\u6240\u6709\u4f20\u611f\u5668\u7684\u7535\u538b\u90fd\u5f02\u5e38\uff0c\u6000\u7591\u662fPCM\u6216\u4e3b\u7ebf\u675f\u95ee\u9898<\/li>\n<li>\u5982\u679c\u4ec5\u6709\u4e00\u4e2a\u4f20\u611f\u5668\u7684\u7535\u538b\u5f02\u5e38\uff0c\u53ef\u80fd\u662f\u8be5\u4f20\u611f\u5668\u6216\u5176\u7ebf\u675f\u6545\u969c<\/li>\n<li>\u4fee\u590d\u7ebf\u675f\uff0c\u5fc5\u8981\u65f6\u66f4\u6362\u4f20\u611f\u5668\u6216PCM<\/li>\n<\/ol>\n<h3 id=\"can-a-blown-fuse-cause-the-p0641-code-\">\u4fdd\u9669\u4e1d\u70e7\u65ad\u4f1a\u5bfc\u81f4P0641\u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u4f9b\u7535\u7ed95V\u53c2\u8003\u7535\u8def\u7684\u4fdd\u9669\u4e1d\u6216\u7194\u65ad\u8fde\u63a5\u70e7\u65ad\u53ef\u80fd\u4f1a\u5bfc\u81f4P0641\u6545\u969c\u7801\u7684\u51fa\u73b0\u3002\u8bca\u65ad\u8fc7\u7a0b\u4e2d\u5e94\u9996\u5148\u68c0\u67e5\u4fdd\u9669\u4e1d\u3002<\/p>\n<h3 id=\"can-a-bad-alternator-trigger-the-p0641-code-\">\u6545\u969c\u7684\u53d1\u7535\u673a\u4f1a\u89e6\u53d1P0641\u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u95f4\u63a5\u4f1a\uff0c\u53d1\u7535\u673a\u8fc7\u5ea6\u5145\u7535\u6216\u6b20\u5145\u7535\u53ef\u80fd\u4f1a\u5bfc\u81f45V\u53c2\u8003\u7535\u8def\u7684\u7535\u538b\u4e0d\u6b63\u5e38\uff0c\u5e76\u89e6\u53d1P0641\u6545\u969c\u7801\u3002\u4e0d\u8fc7\uff0c\u8fd9\u901a\u5e38\u8fd8\u4f1a\u4f34\u968f\u5176\u4ed6\u4e0e\u5145\u7535\u7cfb\u7edf\u76f8\u5173\u7684\u6545\u969c\u7801\u3002<\/p>\n<h3 id=\"how-much-does-it-cost-to-fix-the-p0641-code-\">\u4fee\u590dP0641\u6545\u969c\u7801\u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u4fee\u7406\u8d39\u7528\u53d6\u51b3\u4e8e\u6839\u672c\u539f\u56e0\uff1a<\/p>\n<ul>\n<li>\u66f4\u6362\u4f20\u611f\u5668\uff1a100-300\u7f8e\u5143<\/li>\n<li>\u4fee\u590d\u7ebf\u675f\uff1a100-200\u7f8e\u5143<\/li>\n<li>\u66f4\u6362PCM\uff1a500-1500\u7f8e\u5143<\/li>\n<\/ul>\n<h3 id=\"can-i-fix-the-p0641-code-myself-\">\u6211\u53ef\u4ee5\u81ea\u5df1\u4fee\u590dP0641\u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u8fd9\u53d6\u51b3\u4e8e\u60a8\u7684\u6280\u80fd\u6c34\u5e73\u3002\u8bca\u65ad\u548c\u4fee\u590d\u7ebf\u675f\u95ee\u9898\u6216\u66f4\u6362\u4f20\u611f\u5668\u5bf9\u5177\u6709\u4e2d\u7ea7DIY\u6c7d\u8f66\u7ef4\u4fee\u6280\u80fd\u7684\u4eba\u6765\u8bf4\u662f\u53ef\u884c\u7684\u3002\u7136\u800c\uff0cPCM\u95ee\u9898\u8f83\u4e3a\u590d\u6742\uff0c\u53ef\u80fd\u9700\u8981\u4e13\u4e1a\u7684\u8bca\u65ad\u548c\u4fee\u7406\u3002<\/p>\n<h3 id=\"what-tools-do-i-need-to-diagnose-the-p0641-code-\">\u8bca\u65adP0641\u6545\u969c\u7801\u9700\u8981\u54ea\u4e9b\u5de5\u5177\uff1f<\/h3>\n<p>\u8bca\u65adP0641\u6545\u969c\u7801\u9700\u8981\uff1a<\/p>\n<ul>\n<li>OBD-II\u626b\u63cf\u4eea\u8bfb\u53d6\u6545\u969c\u7801<\/li>\n<li>\u6570\u5b57\u4e07\u7528\u8868\u6d4b\u8bd5\u7535\u538b<\/li>\n<li>\u60a8\u7684\u8f66\u8f86\u7684\u7ebf\u675f\u56fe<\/li>\n<li>\u7528\u4e8e\u8bbf\u95ee\u4f20\u611f\u5668\u548c\u7ebf\u675f\u7684\u57fa\u672c\u624b\u52a8\u5de5\u5177<\/li>\n<\/ul>\n<h3 id=\"will-disconnecting-the-battery-clear-the-p0641-code-\">\u65ad\u5f00\u7535\u6c60\u80fd\u6e05\u9664P0641\u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u65ad\u5f00\u7535\u6c60\u4f1a\u6e05\u9664PCM\u4e2d\u7684P0641\u6545\u969c\u7801\u3002\u7136\u800c\uff0c\u5982\u679c\u672a\u4fee\u590d\u6839\u672c\u95ee\u9898\uff0c\u6545\u969c\u7801\u5c06\u5728\u6545\u969c\u518d\u6b21\u88ab\u68c0\u6d4b\u5230\u65f6\u91cd\u65b0\u51fa\u73b0\u3002\u65ad\u5f00\u7535\u6c60\u4e0d\u5e94\u4f5c\u4e3a\u201c\u4fee\u7406\u201d\u65b9\u6cd5\u3002<\/p>\n<h3 id=\"can-a-bad-ground-connection-cause-the-p0641-code-\">\u63a5\u5730\u4e0d\u826f\u4f1a\u5bfc\u81f4P0641\u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c5V\u53c2\u8003\u7535\u8def\u4e2d\u7684\u63a5\u5730\u4e0d\u826f\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7535\u538b\u4e0d\u51c6\u786e\u5e76\u89e6\u53d1P0641\u6545\u969c\u7801\u3002\u5e94\u5728\u8bca\u65ad\u8fc7\u7a0b\u4e2d\u76ee\u89c6\u68c0\u67e5\u5e76\u4f7f\u7528\u4e07\u7528\u8868\u6d4b\u8bd5\u63a5\u5730\u3002<\/p>\n<h3 id=\"can-a-faulty-pcm-be-repaired-\">PCM\u6545\u969c\u53ef\u4ee5\u4fee\u590d\u5417\uff1f<\/h3>\n<p>\u5728\u6781\u5c11\u6570\u60c5\u51b5\u4e0b\uff0c\u6280\u672f\u719f\u7ec3\u7684\u6280\u5e08\u53ef\u80fd\u80fd\u591f\u4fee\u590dPCM\u7535\u8def\u677f\u3002\u7136\u800c\uff0c\u5927\u591a\u6570\u6545\u969c\u7684PCM\u9700\u8981\u66f4\u6362\u4e3a\u65b0\u7684\u6216\u7ffb\u65b0\u7684\u5355\u5143\u3002PCM\u95ee\u9898\u5e94\u7531\u4e13\u4e1a\u4eba\u5458\u8fdb\u884c\u8bca\u65ad\u3002<\/p>\n<h3 id=\"how-long-does-it-take-to-diagnose-the-p0641-code-\">\u8bca\u65adP0641\u6545\u969c\u7801\u9700\u8981\u591a\u957f\u65f6\u95f4\uff1f<\/h3>\n<p>\u8bca\u65adP0641\u6545\u969c\u7801\u53ef\u80fd\u9700\u8981\u4ece\u51e0\u5206\u949f\u5230\u6570\u5c0f\u65f6\u4e0d\u7b49\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u95ee\u9898\u7684\u590d\u6742\u7a0b\u5ea6\u3002\u6d89\u53caPCM\u7684\u590d\u6742\u95ee\u9898\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u5e7f\u6cdb\u7684\u8bca\u65ad\u3002<\/p>\n<h3 id=\"what-is-the-difference-between-codes-p0641-and-p0651-\">P0641\u548cP0651\u6545\u969c\u7801\u6709\u4f55\u533a\u522b\uff1f<\/h3>\n<p>P0641\u6545\u969c\u7801\u6307\u7684\u662f5V\u53c2\u8003\u7535\u538b\u201cA\u201d\u7535\u8def\u7684\u95ee\u9898\uff0c\u800cP0651\u8868\u793a5V\u53c2\u8003\u7535\u538b\u201cB\u201d\u7535\u8def\u5b58\u5728\u95ee\u9898\u3002\u6bcf\u4e2a\u7535\u8def\u4e3a\u4e0d\u540c\u7684\u4f20\u611f\u5668\u4f9b\u7535\uff0c\u56e0\u6b64\u4e24\u8005\u7684\u75c7\u72b6\u548c\u539f\u56e0\u53ef\u80fd\u4e0d\u540c\u3002<\/p>\n<h3 id=\"can-a-software-update-fix-the-p0641-code-\">\u8f6f\u4ef6\u66f4\u65b0\u80fd\u4fee\u590dP0641\u6545\u969c\u7801\u5417\uff1f<\/h3>\n<p>\u5728\u6781\u5c11\u6570\u60c5\u51b5\u4e0b\uff0cPCM\u7f16\u7a0b\u4e2d\u7684\u6545\u969c\u53ef\u80fd\u4f1a\u9519\u8bef\u5730\u89e6\u53d1P0641\u6545\u969c\u7801\uff0c\u5c3d\u7ba1\u5b9e\u9645\u4e0a\u5e76\u4e0d\u5b58\u5728\u786c\u4ef6\u95ee\u9898\u3002\u8f6f\u4ef6\u5237\u65b0\u53ef\u80fd\u4f1a\u89e3\u51b3\u6b64\u95ee\u9898\u3002\u7136\u800c\uff0c\u786c\u4ef6\u95ee\u9898\u66f4\u4e3a\u5e38\u89c1\uff0c\u5e94\u8be5\u9996\u5148\u6392\u9664\u786c\u4ef6\u95ee\u9898\u3002<\/p>\n<h3 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