{"id":287441,"date":"2024-10-22T04:17:13","date_gmt":"2024-10-22T04:17:13","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287441"},"modified":"2024-11-04T05:23:35","modified_gmt":"2024-11-04T05:23:35","slug":"p1448-elc-system-2-fault","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p1448-elc-system-2-fault\/","title":{"rendered":"P1448 &#8211; ELC\u7cfb\u7edf2\u6545\u969c"},"content":{"rendered":"<h2 id=\"urgency-and-drivability\">\u7d27\u6025\u6027\u548c\u53ef\u9a7e\u9a76\u6027<\/h2>\n<p>P1448\u4ee3\u7801\u8868\u660e\u84b8\u53d1\u6392\u653e\u63a7\u5236(EVAP)\u7cfb\u7edf\u5b58\u5728\u95ee\u9898\uff0c\u7279\u522b\u662f\u78b3\u7f50\u901a\u98ce\u63a7\u5236\u9600\u6545\u969c\u3002\u867d\u7136\u8fd9\u4e2a\u6545\u969c\u4e0d\u4f1a\u7acb\u5373\u6784\u6210\u5371\u9669\uff0c\u4f46\u5b83\u53ef\u80fd\u5bfc\u81f4\u6392\u653e\u589e\u52a0\u548c\u71c3\u6cb9\u7ecf\u6d4e\u6027\u964d\u4f4e\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8f66\u8f86\u53ef\u4ee5\u77ed\u65f6\u95f4\u7ee7\u7eed\u884c\u9a76\uff0c\u4f46\u5efa\u8bae\u5c3d\u5feb\u4fee\u7406\uff0c\u4ee5\u907f\u514d\u5bf9\u5176\u4ed6\u90e8\u4ef6\u9020\u6210\u6f5c\u5728\u635f\u574f\u5e76\u786e\u4fdd\u7b26\u5408\u6392\u653e\u6cd5\u89c4\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9047\u5230P1448\u4ee3\u7801\uff0c\u5c24\u5176\u662f\u5728\u5927\u4f17\u3001\u5965\u8fea\u548c\u5b9d\u9a6c\u7b49\u6b27\u6d32\u54c1\u724c\u8f66\u578b\u4e2d\u3002\u6211\u4eec\u53d1\u73b0\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u95ee\u9898\u4e0e\u84b8\u53d1\u6392\u653e\u63a7\u5236\u7cfb\u7edf\u6709\u5173\uff0c\u5c24\u5176\u662f\u78b3\u7f50\u901a\u98ce\u9600\u3002\u5728\u5927\u4f17\u548c\u5965\u8fea\u8f66\u578b\u4e2d\uff0c\u901a\u5e38\u662fN80\u9600\u51fa\u73b0\u6545\u969c\uff0c\u800c\u5728\u5b9d\u9a6c\u8f66\u578b\u4e2d\uff0c\u901a\u5e38\u662f\u6392\u653e\u9600\u9700\u8981\u66f4\u6362\u3002\u6211\u4eec\u89c2\u5bdf\u5230\u8fd9\u4e2a\u4ee3\u7801\u901a\u5e38\u51fa\u73b0\u57285\u81f37\u5e74\u8f66\u9f84\u7684\u8f66\u8f86\u4e0a\uff0c\u8868\u660e\u8fd9\u4e9b\u90e8\u4ef6\u53ef\u80fd\u5b58\u5728\u4f7f\u7528\u5bff\u547d\u95ee\u9898\u3002\u6211\u4eec\u7684\u7ecf\u9a8c\u8868\u660e\uff0c\u66f4\u6362\u6545\u969c\u9600\u95e8\u901a\u5e38\u80fd\u89e3\u51b3\u95ee\u9898\uff0c\u4f46\u6211\u4eec\u603b\u662f\u4f1a\u5bf9\u7cfb\u7edf\u8fdb\u884c\u5168\u9762\u68c0\u67e5\uff0c\u4ee5\u786e\u4fdd\u6ca1\u6709\u989d\u5916\u7684\u6cc4\u6f0f\u6216\u4f20\u611f\u5668\u6545\u969c\u5bfc\u81f4\u95ee\u9898\u3002<\/p>\n<\/div>\n<h2 id=\"code-definition-and-specificity\">\u4ee3\u7801\u5b9a\u4e49\u548c\u5177\u4f53\u6027<\/h2>\n<p>P1448\u662f\u4e00\u4e2a\u5236\u9020\u5546\u7279\u5b9a\u7684\u4ee3\u7801\uff0c\u610f\u5473\u7740\u5176\u786e\u5207\u5b9a\u4e49\u53ef\u80fd\u56e0\u8f66\u8f86\u54c1\u724c\u7565\u6709\u4e0d\u540c\u3002\u901a\u5e38\uff0c\u5b83\u8868\u793a\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757(ECM)\u68c0\u6d4b\u5230EVAP\u78b3\u7f50\u901a\u98ce\u63a7\u5236\u9600\u5361\u4f4f\u6216\u672a\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u65e5\u4ea7\uff1a&#8221;EVAP\u78b3\u7f50\u901a\u98ce\u63a7\u5236\u9600\u6253\u5f00&#8221;<\/li>\n<li>\u672c\u7530\uff1a&#8221;ELC\u7cfb\u7edf2\u6545\u969c&#8221;<\/li>\n<\/ul>\n<h2 id=\"evap-system-overview\">EVAP\u7cfb\u7edf\u6982\u8ff0<\/h2>\n<p>EVAP\u7cfb\u7edf\u9632\u6b62\u71c3\u6cb9\u84b8\u6c14\u9038\u5165\u5927\u6c14\u3002\u5173\u952e\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\u71c3\u6cb9\u7bb1<\/li>\n<li>\u6d3b\u6027\u70ad\u7f50<\/li>\n<li>\u6392\u653e\u9600<\/li>\n<li>\u901a\u98ce\u63a7\u5236\u9600<\/li>\n<li>\u538b\u529b\u4f20\u611f\u5668<\/li>\n<li>\u5404\u79cd\u8f6f\u7ba1\u548c\u7ba1\u7ebf<\/li>\n<\/ol>\n<p>\u78b3\u7f50\u901a\u98ce\u63a7\u5236\u9600\u8c03\u8282\u7a7a\u6c14\u8fdb\u5165\u548c\u79bb\u5f00\u50a8\u5b58\u71c3\u6cb9\u84b8\u6c14\u7684\u6d3b\u6027\u70ad\u7f50\u3002<\/p>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<ol>\n<li>\u901a\u98ce\u63a7\u5236\u9600\u7535\u78c1\u9600\u6545\u969c\uff0840%\uff09<\/li>\n<li>\u635f\u574f\u6216\u65ad\u5f00\u7684\u7535\u7ebf\uff0825%\uff09<\/li>\n<li>EVAP\u7ba1\u7ebf\u5835\u585e\u6216\u635f\u574f\uff0815%\uff09<\/li>\n<li>ECM\u6545\u969c\uff0810%\uff09<\/li>\n<li>\u5176\u4ed6\u539f\u56e0\uff0810%\uff09<\/li>\n<\/ol>\n<h2 id=\"diagnostic-procedure\">\u8bca\u65ad\u7a0b\u5e8f<\/h2>\n<ol>\n<li>\u8fde\u63a5OBD-II\u626b\u63cf\u4eea\u5e76\u786e\u8ba4P1448\u4ee3\u7801<\/li>\n<li>\u68c0\u67e5EVAP\u7cfb\u7edf\u7ec4\u4ef6\u662f\u5426\u6709\u53ef\u89c1\u635f\u574f<\/li>\n<li>\u68c0\u67e5\u901a\u98ce\u63a7\u5236\u9600\u7684\u7535\u6c14\u8fde\u63a5<\/li>\n<li>\u6d4b\u91cf\u9600\u7535\u78c1\u7ebf\u5708\u7684\u7535\u963b\uff08\u901a\u5e38\u4e3a20-40\u6b27\u59c6\uff09<\/li>\n<li>\u6d4b\u8bd5\u7535\u78c1\u9600\u8fde\u63a5\u5668\u5904\u7684\u7535\u538b\uff08\u94a5\u5319\u6253\u5f00\u65f6\u5e94\u4e3a12V\uff09<\/li>\n<li>\u4f7f\u7528\u70df\u96fe\u6d4b\u8bd5\u68c0\u67e5EVAP\u7cfb\u7edf\u7684\u6cc4\u6f0f<\/li>\n<li>\u4f7f\u7528\u626b\u63cf\u5de5\u5177\u547d\u4ee4\u9600\u95e8\u6253\u5f00\u548c\u5173\u95ed\uff0c\u542c\u542c\u662f\u5426\u6709\u5494\u55d2\u58f0<\/li>\n<\/ol>\n<p>\u6240\u9700\u5de5\u5177\uff1aOBD-II\u626b\u63cf\u4eea\u3001\u4e07\u7528\u8868\u3001\u70df\u96fe\u673a<\/p>\n<h2 id=\"repair-solutions\">\u7ef4\u4fee\u65b9\u6848<\/h2>\n<ol>\n<li>\u66f4\u6362\u6545\u969c\u7684\u901a\u98ce\u63a7\u5236\u9600<\/li>\n<li>\u4fee\u590d\u635f\u574f\u7684\u7535\u7ebf<\/li>\n<li>\u6e05\u9664EVAP\u7ba1\u7ebf\u4e2d\u7684\u5835\u585e<\/li>\n<li>\u5982\u679c\u6d3b\u6027\u70ad\u7f50\u6c61\u67d3\u4e25\u91cd\uff0c\u5219\u66f4\u6362<\/li>\n<li>\u5982\u679c\u6709\u53ef\u7528\u7684ECM\u8f6f\u4ef6\u66f4\u65b0\uff0c\u8fdb\u884c\u66f4\u65b0<\/li>\n<li>\u66f4\u6362ECM\uff08\u7f55\u89c1\u60c5\u51b5\uff09<\/li>\n<\/ol>\n<h2 id=\"prevention\">\u9884\u9632\u63aa\u65bd<\/h2>\n<ol>\n<li>\u5b9a\u671f\u68c0\u67e5EVAP\u7cfb\u7edf\u7ec4\u4ef6<\/li>\n<li>\u907f\u514d\u8fc7\u5ea6\u52a0\u6cb9<\/li>\n<li>\u5982\u679c\u6cb9\u7bb1\u76d6\u635f\u574f\u6216\u78e8\u635f\uff0c\u53ca\u65f6\u66f4\u6362<\/li>\n<li>\u4f7f\u7528\u9ad8\u8d28\u91cf\u71c3\u6cb9\u4ee5\u51cf\u5c11\u6c61\u67d3\u7269<\/li>\n<\/ol>\n<h2 id=\"estimated-repair-costs\">\u9884\u8ba1\u7ef4\u4fee\u8d39\u7528<\/h2>\n<ul>\n<li>\u96f6\u4ef6\uff1a50\u81f3200\u7f8e\u5143\uff08\u20ac45-\u20ac180\u6b27\u5143\uff09\u7528\u4e8e\u901a\u98ce\u63a7\u5236\u9600<\/li>\n<li>\u5de5\u65f6\uff1a1-3\u5c0f\u65f6\uff0c\u5de5\u65f6\u8d39\u4e3a\u6bcf\u5c0f\u65f680\u81f3150\u7f8e\u5143<\/li>\n<li>\u603b\u8d39\u7528\uff1a130\u81f3650\u7f8e\u5143\uff08\u20ac115-\u20ac580\u6b27\u5143\uff09<\/li>\n<\/ul>\n<p>\u8d39\u7528\u56e0\u5730\u533a\u548c\u8f66\u8f86\u54c1\u724c\/\u578b\u53f7\u800c\u5f02\u3002<\/p>\n<h2 id=\"diy-repair-guide\">DIY\u7ef4\u4fee\u6307\u5357<\/h2>\n<ol>\n<li>\u627e\u5230\u901a\u98ce\u63a7\u5236\u9600\uff08\u901a\u5e38\u5728\u6d3b\u6027\u70ad\u7f50\u9644\u8fd1\uff09<\/li>\n<li>\u65ad\u5f00\u7535\u6c60<\/li>\n<li>\u79fb\u9664\u7535\u6c14\u8fde\u63a5\u5668\u548c\u4efb\u4f55\u5b89\u88c5\u87ba\u6813<\/li>\n<li>\u66f4\u6362\u9600\u95e8\uff0c\u786e\u4fdd\u6b63\u786e\u7684\u5b89\u88c5\u65b9\u5411<\/li>\n<li>\u91cd\u65b0\u8fde\u63a5\u7535\u6c14\u8fde\u63a5\u5668\u5e76\u56fa\u5b9a\u5b89\u88c5<\/li>\n<li>\u6e05\u9664\u6545\u969c\u7801\u5e76\u8bd5\u9a7e<\/li>\n<\/ol>\n<h2 id=\"related-issues-and-codes\">\u76f8\u5173\u95ee\u9898\u548c\u4ee3\u7801<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0455-evap-system-leak-detected-gross-leak-no-flow\/\" title=\"P0455\uff1a\u84b8\u53d1\u6392\u653e\u7cfb\u7edf\u6cc4\u6f0f\u68c0\u6d4b\uff08\u5927\u6cc4\u6f0f\uff09\">P0455\uff1a\u84b8\u53d1\u6392\u653e\u7cfb\u7edf\u6cc4\u6f0f\u68c0\u6d4b\uff08\u5927\u6cc4\u6f0f\uff09<\/a><\/li>\n<li>P0440\uff1a\u84b8\u53d1\u6392\u653e\u63a7\u5236\u7cfb\u7edf\u6545\u969c<\/li>\n<li>P0446\uff1a\u84b8\u53d1\u6392\u653e\u63a7\u5236\u7cfb\u7edf\u901a\u98ce\u63a7\u5236\u7535\u8def\u6545\u969c<\/li>\n<\/ul>\n<h2 id=\"long-term-implications\">\u957f\u671f\u5f71\u54cd<\/h2>\n<p>\u5982\u679c\u4e0d\u89e3\u51b3\uff0c\u6545\u969c\u7684EVAP\u7cfb\u7edf\u53ef\u80fd\u5bfc\u81f4\uff1a<\/p>\n<ol>\n<li>\u71c3\u6cb9\u6d88\u8017\u589e\u52a0<\/li>\n<li>\u6392\u653e\u6d4b\u8bd5\u5931\u8d25<\/li>\n<li>\u5176\u4ed6\u53d1\u52a8\u673a\u90e8\u4ef6\u635f\u574f<\/li>\n<li>\u7531\u4e8e\u71c3\u6cb9\u84b8\u6c14\u6cc4\u6f0f\uff0c\u5b58\u5728\u6f5c\u5728\u706b\u707e\u9690\u60a3<\/li>\n<\/ol>\n<h2 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href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0455-evap-system-leak-detected-gross-leak-no-flow\/\" 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