{"id":287195,"date":"2024-10-18T04:01:29","date_gmt":"2024-10-18T04:01:29","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287195"},"modified":"2024-11-01T08:01:43","modified_gmt":"2024-11-01T08:01:43","slug":"p0451-evap-pressure-sensor-range-performance","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p0451-evap-pressure-sensor-range-performance\/","title":{"rendered":"P0451 &#8211; EVAP \u538b\u529b\u4f20\u611f\u5668\u8303\u56f4\/\u6027\u80fd"},"content":{"rendered":"<p>P0451 \u4ee3\u7801\u8868\u793a\u84b8\u53d1\u6392\u653e\u63a7\u5236 (EVAP) \u7cfb\u7edf\u538b\u529b\u4f20\u611f\u5668\/\u5f00\u5173\u7535\u8def\u51fa\u73b0\u6545\u969c\u3002\u5f53\u6b64\u4ee3\u7801\u88ab\u89e6\u53d1\u65f6\uff0c\u610f\u5473\u7740\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757 (PCM) \u68c0\u6d4b\u5230 EVAP \u7cfb\u7edf\u538b\u529b\u4f20\u611f\u5668\u8bfb\u53d6\u7684\u503c\u8d85\u51fa\u4e86\u5236\u9020\u5546\u89c4\u5b9a\u7684\u53ef\u63a5\u53d7\u8303\u56f4\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5373\u4f7f\u51fa\u73b0\u6b64\u4ee3\u7801\uff0c\u8f66\u8f86\u4ecd\u53ef\u4ee5\u5b89\u5168\u9a7e\u9a76\uff0c\u4f46\u5e94\u5c3d\u5feb\u8fdb\u884c\u8bca\u65ad\u548c\u4fee\u590d\uff0c\u4ee5\u9632\u6b62\u8fdb\u4e00\u6b65\u95ee\u9898\u5e76\u786e\u4fdd\u8f66\u8f86\u901a\u8fc7\u6392\u653e\u6d4b\u8bd5\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\uff0c\u6211\u4eec\u7ecf\u5e38\u770b\u5230 P0451 \u4ee3\u7801\u51fa\u73b0\u5728\u5404\u79cd\u54c1\u724c\u548c\u578b\u53f7\u7684\u8f66\u8f86\u4e0a\u3002\u5c31\u5728\u4e0a\u5468\uff0c\u6211\u4eec\u63a5\u5f85\u4e86\u4e00\u8f86\u5b9d\u9a6c 3 \u7cfb\u5217\u8f66\u8f86\uff0c\u663e\u793a\u8be5\u4ee3\u7801\u3002\u7ecf\u8fc7\u8bca\u65ad\u5de5\u4f5c\uff0c\u6211\u4eec\u8ffd\u8e2a\u5230\u4e86\u6545\u969c\u71c3\u6cb9\u7bb1\u538b\u529b\u4f20\u611f\u5668\u3002\u6211\u4eec\u6ce8\u610f\u5230\uff0c\u5c24\u5176\u662f\u5728\u6b27\u6d32\u8f66\u5982\u5965\u8fea\u548c\u5927\u4f17\u4e0a\uff0c\u8fd9\u4e2a\u95ee\u9898\u5f80\u5f80\u8f83\u4e3a\u5e38\u89c1\u3002\u6211\u4eec\u6bcf\u6708\u66f4\u6362\u51e0\u6b21\u8fd9\u4e9b\u4f20\u611f\u5668\u3002\u5076\u5c14\uff0c\u8be5\u4ee3\u7801\u662f\u7531\u50cf\u677e\u52a8\u7684\u6cb9\u7bb1\u76d6\u7b49\u66f4\u7b80\u5355\u7684\u95ee\u9898\u89e6\u53d1\u7684\uff0c\u4f46\u66f4\u591a\u65f6\u5019\u662f\u4f20\u611f\u5668\u6545\u969c\u6216 EVAP \u7cfb\u7edf\u4e2d\u7684\u6cc4\u6f0f\u5f15\u8d77\u7684\u3002\u65e0\u8bba\u539f\u56e0\u662f\u4ec0\u4e48\uff0c\u53ca\u65f6\u5904\u7406\u5b83\u4ee5\u907f\u514d\u672a\u6765\u51fa\u73b0\u66f4\u5927\u95ee\u9898\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<\/div>\n<h2 id=\"technical-overview-of-p0451\">P0451 \u7684\u6280\u672f\u6982\u8ff0<\/h2>\n<p>P0451 \u662f\u4e00\u4e2a\u901a\u7528\u7684 OBD-II \u4ee3\u7801\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u914d\u5907 EVAP \u7cfb\u7edf\u7684\u73b0\u4ee3\u8f66\u8f86\u3002EVAP \u7cfb\u7edf\u7684\u8bbe\u8ba1\u76ee\u7684\u662f\u6355\u83b7\u6cb9\u7bb1\u4e2d\u7684\u71c3\u6cb9\u84b8\u6c14\uff0c\u9632\u6b62\u5b83\u4eec\u9038\u6563\u5230\u5927\u6c14\u4e2d\u3002\u6d89\u53ca\u7684\u4e3b\u8981\u90e8\u4ef6\u6709\uff1a<\/p>\n<ul>\n<li>\u71c3\u6cb9\u7bb1<\/li>\n<li>\u6cb9\u7bb1\u76d6<\/li>\n<li>EVAP \u538b\u529b\u4f20\u611f\u5668<\/li>\n<li>\u6e05\u6d17\u9600<\/li>\n<li>\u6d3b\u6027\u70ad\u7f50<\/li>\n<li>\u6392\u6c14\u9600<\/li>\n<li>\u8fde\u63a5\u8f6f\u7ba1<\/li>\n<\/ul>\n<p>PCM \u4f7f\u7528\u538b\u529b\u4f20\u611f\u5668\u76d1\u63a7 EVAP \u7cfb\u7edf\u7684\u538b\u529b\u3002\u5982\u679c\u5b83\u5728 EVAP \u76d1\u63a7\u6d4b\u8bd5\u6216\u6b63\u5e38\u9a7e\u9a76\u8fc7\u7a0b\u4e2d\u68c0\u6d4b\u5230\u7684\u538b\u529b\u8bfb\u6570\u8d85\u51fa\u9884\u671f\u8303\u56f4\uff0c\u5219\u4f1a\u89e6\u53d1 P0451 \u4ee3\u7801\u5e76\u70b9\u4eae\u53d1\u52a8\u673a\u6545\u969c\u706f\u3002<\/p>\n<h2 id=\"parts-and-operation\">\u90e8\u4ef6\u4e0e\u64cd\u4f5c<\/h2>\n<p>EVAP \u7cfb\u7edf\u538b\u529b\u4f20\u611f\u5668\uff0c\u4e5f\u79f0\u4e3a\u71c3\u6cb9\u7bb1\u538b\u529b (FTP) \u4f20\u611f\u5668\uff0c\u901a\u5e38\u5b89\u88c5\u5728\u71c3\u6cb9\u7bb1\u9876\u90e8\u6216\u96c6\u6210\u5728\u71c3\u6cb9\u6cf5\u7ec4\u4ef6\u4e2d\u3002\u5b83\u7684\u529f\u80fd\u662f\u6301\u7eed\u76d1\u63a7\u71c3\u6cb9\u7bb1\u548c EVAP \u7cfb\u7edf\u5185\u90e8\u7684\u538b\u529b\u3002<\/p>\n<p>PCM \u4e3a\u4f20\u611f\u5668\u63d0\u4f9b 5V \u7684\u53c2\u8003\u7535\u538b\uff0c\u5e76\u76d1\u63a7\u8fd4\u56de\u4fe1\u53f7\u7535\u538b\u3002\u968f\u7740\u6cb9\u7bb1\u538b\u529b\u7684\u53d8\u5316\uff0c\u4f20\u611f\u5668\u7684\u7535\u963b\u53d1\u751f\u53d8\u5316\uff0c\u6539\u53d8\u8fd4\u56de\u7535\u538b\u3002PCM \u901a\u8fc7\u89e3\u91ca\u8be5\u4fe1\u53f7\u6765\u786e\u5b9a\u5f53\u524d\u538b\u529b\u3002<\/p>\n<p>\u5f53\u53d1\u52a8\u673a\u5173\u95ed\u65f6\uff0cPCM \u6307\u4ee4\u5173\u95ed\u6e05\u6d17\u9600\u5e76\u6253\u5f00\u6392\u6c14\u9600\u3002\u8fd9\u6837\u7cfb\u7edf\u538b\u529b\u53ef\u4ee5\u4e0e\u5927\u6c14\u538b\u529b\u8fbe\u5230\u5e73\u8861\u3002\u5728 EVAP \u76d1\u63a7\u6d4b\u8bd5\u671f\u95f4\uff0cPCM \u5173\u95ed\u6392\u6c14\u9600\u4ee5\u5bc6\u5c01\u7cfb\u7edf\u5e76\u76d1\u63a7\u771f\u7a7a\u5ea6\u3002\u5982\u679c\u538b\u529b\u4f20\u611f\u5668\u6ca1\u6709\u68c0\u6d4b\u5230\u9884\u671f\u7684\u771f\u7a7a\u5ea6\uff0c\u5219\u8868\u660e\u7cfb\u7edf\u53d1\u751f\u6545\u969c\u3002<\/p>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>\u5f15\u53d1 P0451 \u4ee3\u7801\u7684\u6f5c\u5728\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>EVAP \u538b\u529b\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u4f20\u611f\u5668\u7535\u8def\u4e2d\u635f\u574f\u6216\u8150\u8680\u7684\u7ebf\u675f\u548c\u8fde\u63a5\u5668<\/li>\n<li>\u6cb9\u7bb1\u76d6\u677e\u52a8\u6216\u635f\u574f\uff0c\u5bfc\u81f4\u538b\u529b\u6cc4\u6f0f<\/li>\n<li>EVAP \u7cfb\u7edf\u8f6f\u7ba1\u3001\u9600\u95e8\u6216\u6d3b\u6027\u70ad\u7f50\u4e2d\u7684\u6cc4\u6f0f<\/li>\n<li>\u6e05\u6d17\u9600\u6545\u969c<\/li>\n<li>\u5728\u5c11\u6570\u60c5\u51b5\u4e0b\uff0cPCM \u6545\u969c<\/li>\n<\/ul>\n<h2 id=\"diagnostic-steps\">\u8bca\u65ad\u6b65\u9aa4<\/h2>\n<p>\u8981\u6b63\u786e\u8bca\u65ad P0451 \u4ee3\u7801\u7684\u6839\u672c\u539f\u56e0\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n<ol>\n<li>\n<p>\u76ee\u89c6\u68c0\u67e5\u6cb9\u7bb1\u76d6\u3001EVAP \u8f6f\u7ba1\u548c\u7ebf\u675f\uff0c\u662f\u5426\u6709\u660e\u663e\u7684\u635f\u574f\u6216\u677e\u52a8\u8fde\u63a5\u3002<\/p>\n<\/li>\n<li>\n<p>\u8fde\u63a5 OBD-II \u626b\u63cf\u4eea\uff0c\u68c0\u67e5\u662f\u5426\u6709\u5176\u4ed6 EVAP \u76f8\u5173\u4ee3\u7801\u3002\u6e05\u9664\u4ee3\u7801\u5e76\u5728\u4e00\u4e2a\u9a7e\u9a76\u5faa\u73af\u540e\u68c0\u67e5 P0451 \u662f\u5426\u8fd4\u56de\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u626b\u63cf\u4eea\u76d1\u63a7 EVAP \u538b\u529b\u4f20\u611f\u5668\u7684\u7535\u538b\u4fe1\u53f7\u3002\u5c06\u8bfb\u6570\u4e0e\u5236\u9020\u5546\u7684\u89c4\u8303\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u4f20\u611f\u5668\u8bfb\u6570\u8d85\u51fa\u8303\u56f4\uff0c\u8bf7\u65ad\u5f00\u5b83\u5e76\u4f7f\u7528\u4e07\u7528\u8868\u6d4b\u8bd5\u5176\u7535\u963b\u3002\u5982\u679c\u6545\u969c\uff0c\u9700\u66f4\u6362\u4f20\u611f\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>\u6d4b\u8bd5\u4f20\u611f\u5668\u4e0e PCM \u4e4b\u95f4\u7684\u7ebf\u675f\u548c\u8fde\u63a5\u5668\uff0c\u662f\u5426\u6709\u65ad\u8def\u3001\u77ed\u8def\u6216\u9ad8\u7535\u963b\u3002\u6839\u636e\u9700\u8981\u4fee\u590d\u7ebf\u8def\u3002<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u4f20\u611f\u5668\u548c\u7ebf\u675f\u6b63\u5e38\uff0c\u6267\u884c EVAP \u7cfb\u7edf\u7684\u70df\u96fe\u6d4b\u8bd5\u4ee5\u68c0\u67e5\u662f\u5426\u5b58\u5728\u6cc4\u6f0f\u3002\u4fee\u590d\u53d1\u73b0\u7684\u6cc4\u6f0f\u3002<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u6ca1\u6709\u6cc4\u6f0f\uff0c\u8bf7\u6d4b\u8bd5\u6e05\u6d17\u9600\u548c\u6392\u6c14\u9600\u7684\u64cd\u4f5c\u662f\u5426\u6b63\u5e38\u3002\u82e5\u6709\u6545\u969c\uff0c\u9700\u66f4\u6362\u3002<\/p>\n<\/li>\n<\/ol>\n<h2 id=\"repair-solutions\">\u4fee\u590d\u65b9\u6848<\/h2>\n<p>\u6839\u636e\u8bca\u65ad\u7684\u539f\u56e0\uff0c\u4fee\u590d P0451 \u4ee3\u7801\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u66f4\u6362 EVAP \u538b\u529b\u4f20\u611f\u5668<\/li>\n<li>\u4fee\u590d\u4f20\u611f\u5668\u7535\u8def\u4e2d\u635f\u574f\u7684\u7ebf\u675f\u6216\u8fde\u63a5\u5668<\/li>\n<li>\u66f4\u6362\u635f\u574f\u6216\u7f3a\u5931\u7684\u6cb9\u7bb1\u76d6<\/li>\n<li>\u66f4\u6362\u6f0f\u6c14\u7684 EVAP \u8f6f\u7ba1\u6216\u6d3b\u6027\u70ad\u7f50<\/li>\n<li>\u66f4\u6362\u6545\u969c\u7684\u6e05\u6d17\u9600\u6216\u6392\u6c14\u9600<\/li>\n<\/ul>\n<p>\u5728\u66f4\u6362\u538b\u529b\u4f20\u611f\u5668\u6216\u5176\u4ed6\u90e8\u4ef6\u65f6\uff0c\u8bf7\u59cb\u7ec8\u53c2\u8003\u5236\u9020\u5546\u7684\u670d\u52a1\u4fe1\u606f\uff0c\u4ee5\u786e\u4fdd\u6b63\u786e\u7684\u64cd\u4f5c\u6d41\u7a0b\u548c\u626d\u77e9\u89c4\u8303\u3002<\/p>\n<h2 id=\"repair-costs\">\u4fee\u7406\u8d39\u7528<\/h2>\n<p>\u8bca\u65ad\u548c\u4fee\u590d P0451 \u4ee3\u7801\u7684\u6210\u672c\u56e0\u5177\u4f53\u539f\u56e0\u548c\u8f66\u8f86\u54c1\u724c\u578b\u53f7\u800c\u5f02\u3002\u5e73\u5747\u6765\u8bf4\uff0c\u9884\u8ba1\u9700\u8981\u652f\u4ed8\uff1a<\/p>\n<ul>\n<li>\u8bca\u65ad\u8d39\uff1a$75-150 (\u20ac70-140)<\/li>\n<li>\u6cb9\u7bb1\u76d6\u66f4\u6362\uff1a$10-30 (\u20ac9-28)<\/li>\n<li>EVAP \u538b\u529b\u4f20\u611f\u5668\u66f4\u6362\uff1a$100-400 (\u20ac90-370)<\/li>\n<li>EVAP \u8f6f\u7ba1\u66f4\u6362\uff1a$50-200 (\u20ac45-185)<\/li>\n<li>\u6e05\u6d17\u9600\u66f4\u6362\uff1a$100-300 (\u20ac90-280)<\/li>\n<\/ul>\n<h2 id=\"prevention\">\u9884\u9632<\/h2>\n<p>\u8981\u9632\u6b62\u5f15\u53d1 P0451 \u4ee3\u7801\u7684\u95ee\u9898\uff0c\u8bf7\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li>\u786e\u4fdd\u6cb9\u7bb1\u76d6\u7d27\u5bc6\uff0c\u5982\u679c\u635f\u574f\u8bf7\u53ca\u65f6\u66f4\u6362<\/li>\n<li>\u5b9a\u671f\u68c0\u67e5 EVAP \u7cfb\u7edf\u662f\u5426\u5b58\u5728\u6cc4\u6f0f\u6216\u6545\u969c\u90e8\u4ef6<\/li>\n<li>\u53ca\u65f6\u5904\u7406\u4efb\u4f55\u5176\u4ed6 EVAP \u76f8\u5173\u4ee3\u7801<\/li>\n<\/ul>\n<h2 id=\"related-issues\">\u76f8\u5173\u95ee\u9898<\/h2>\n<p>\u4e0e P0451 \u4ee3\u7801\u4e00\u8d77\u51fa\u73b0\u7684\u5176\u4ed6 EVAP \u7cfb\u7edf\u95ee\u9898\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>P0440 &#8211; EVAP \u7cfb\u7edf\u6545\u969c<\/li>\n<li>P0442 &#8211; \u68c0\u6d4b\u5230 EVAP \u7cfb\u7edf\u6cc4\u6f0f\uff08\u5c0f\u6cc4\u6f0f\uff09<\/li>\n<li>P0446 &#8211; EVAP \u6392\u6c14\u63a7\u5236\u7535\u8def\u6545\u969c<\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0455-evap-system-leak-detected-gross-leak-no-flow\/\" title=\"P0455 - \u68c0\u6d4b\u5230 EVAP \u7cfb\u7edf\u6cc4\u6f0f\uff08\u5927\u6cc4\u6f0f\uff09\">P0455 &#8211; \u68c0\u6d4b\u5230 EVAP \u7cfb\u7edf\u6cc4\u6f0f\uff08\u5927\u6cc4\u6f0f\uff09<\/a><\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0456-evap-system-leak-detected-very-small-leak\/\" title=\"P0456 - \u68c0\u6d4b\u5230 EVAP \u7cfb\u7edf\u6cc4\u6f0f\uff08\u975e\u5e38\u5c0f\u7684\u6cc4\u6f0f\uff09\">P0456 &#8211; \u68c0\u6d4b\u5230 EVAP \u7cfb\u7edf\u6cc4\u6f0f\uff08\u975e\u5e38\u5c0f\u7684\u6cc4\u6f0f\uff09<\/a><\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u4ee3\u7801\u53ef\u80fd\u8868\u660e\u6cb9\u7bb1\u76d6\u3001\u6e05\u6d17\u9600\u3001\u6392\u6c14\u9600\u6216 EVAP \u8f6f\u7ba1\u6216\u6d3b\u6027\u70ad\u7f50\u5b58\u5728\u95ee\u9898\u3002\u8bca\u65ad\u548c\u4fee\u590d\u8fd9\u4e9b\u76f8\u5173\u95ee\u9898\u5bf9\u4e8e EVAP \u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u548c\u6392\u653e\u63a7\u5236\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2 id=\"frequently-asked-questions-faq-about-p0451-code\">\u5173\u4e8e P0451 \u4ee3\u7801\u7684\u5e38\u89c1\u95ee\u9898 (FAQ)<\/h2>\n<h3>P0451 \u4ee3\u7801\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>P0451 \u4ee3\u7801\u8868\u793a\u84b8\u53d1\u6392\u653e\u63a7\u5236 (EVAP) \u7cfb\u7edf\u538b\u529b\u4f20\u611f\u5668\/\u5f00\u5173\u8bfb\u53d6\u7684\u503c\u8d85\u51fa\u4e86\u5236\u9020\u5546\u89c4\u5b9a\u7684\u53ef\u63a5\u53d7\u8303\u56f4\u3002<\/p>\n<h3>\u8f66\u8f86\u5e26\u6709 P0451 \u4ee3\u7801\u9a7e\u9a76\u5b89\u5168\u5417\uff1f<\/h3>\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8f66\u8f86\u5e26\u6709 P0451 \u4ee3\u7801\u77ed\u671f\u5185\u9a7e\u9a76\u662f\u5b89\u5168\u7684\u3002\u7136\u800c\uff0c\u5e94\u5c3d\u5feb\u8fdb\u884c\u8bca\u65ad\u548c\u4fee\u590d\uff0c\u4ee5\u9632\u6b62\u8fdb\u4e00\u6b65\u95ee\u9898\u5e76\u786e\u4fdd\u8f66\u8f86\u901a\u8fc7\u6392\u653e\u6d4b\u8bd5\u3002<\/p>\n<h3>P0451 \u4ee3\u7801\u7684\u5e38\u89c1\u75c7\u72b6\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u6700\u5e38\u89c1\u7684\u75c7\u72b6\u662f\u53d1\u52a8\u673a\u6545\u969c\u706f\u4eae\u8d77\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u60a8\u8fd8\u53ef\u80fd\u4f1a\u95fb\u5230\u71c3\u6cb9\u6c14\u5473\uff0c\u56e0\u4e3a EVAP \u7cfb\u7edf\u672a\u80fd\u6b63\u786e\u6355\u6349\u71c3\u6cb9\u84b8\u6c14\u3002<\/p>\n<h3>\u5f15\u53d1 P0451 \u4ee3\u7801\u7684\u6f5c\u5728\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u6f5c\u5728\u539f\u56e0\u5305\u62ec EVAP \u538b\u529b\u4f20\u611f\u5668\u6545\u969c\u3001\u635f\u574f\u6216\u8150\u8680\u7684\u7ebf\u675f\u3001\u677e\u52a8\u6216\u635f\u574f\u7684\u6cb9\u7bb1\u76d6\u3001EVAP \u7cfb\u7edf\u8f6f\u7ba1\u6216\u90e8\u4ef6\u6cc4\u6f0f\uff0c\u4ee5\u53ca\u5728\u5c11\u6570\u60c5\u51b5\u4e0b\uff0cPCM \u6545\u969c\u3002<\/p>\n<h3>\u5982\u4f55\u8bca\u65ad P0451 \u4ee3\u7801\uff1f<\/h3>\n<p>\u8bca\u65ad\u6d89\u53ca\u76ee\u89c6\u68c0\u67e5 EVAP \u7cfb\u7edf\u90e8\u4ef6\u548c\u7ebf\u675f\uff0c\u68c0\u67e5\u6cb9\u7bb1\u76d6\uff0c\u4f7f\u7528 OBD-II \u626b\u63cf\u4eea\u68c0\u67e5\u76f8\u5173\u4ee3\u7801\uff0c\u6d4b\u8bd5 EVAP \u538b\u529b\u4f20\u611f\u5668\uff0c\u5e76\u8fdb\u884c\u70df\u96fe\u6d4b\u8bd5\u4ee5\u68c0\u67e5\u662f\u5426\u6709\u6cc4\u6f0f\u3002<\/p>\n<h3>\u677e\u52a8\u7684\u6cb9\u7bb1\u76d6\u80fd\u5f15\u53d1 P0451 \u4ee3\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u677e\u52a8\u3001\u635f\u574f\u6216\u7f3a\u5931\u7684\u6cb9\u7bb1\u76d6\u53ef\u80fd\u4f1a\u5bfc\u81f4\u538b\u529b\u6cc4\u6f0f\uff0c\u4ece\u800c\u89e6\u53d1 P0451 \u4ee3\u7801\u3002<\/p>\n<h3>\u5982\u4f55\u6d4b\u8bd5 EVAP \u538b\u529b\u4f20\u611f\u5668\uff1f<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4e07\u7528\u8868\u6d4b\u8bd5 EVAP \u538b\u529b\u4f20\u611f\u5668\u7684\u7535\u963b\uff0c\u5e76\u5c06\u5176\u4e0e\u5236\u9020\u5546\u89c4\u683c\u8fdb\u884c\u6bd4\u8f83\u3002\u53ef\u80fd\u9700\u8981\u5c06\u5176\u4ece\u8f66\u8f86\u4e0a\u62c6\u4e0b\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<h3>\u4fee\u590d P0451 \u4ee3\u7801\u901a\u5e38\u9700\u8981\u54ea\u4e9b\u4fee\u7406\uff1f<\/h3>\n<p>\u5e38\u89c1\u7684\u4fee\u7406\u5305\u62ec\u66f4\u6362 EVAP \u538b\u529b\u4f20\u611f\u5668\u3001\u4fee\u590d\u635f\u574f\u7684\u7ebf\u675f\u3001\u66f4\u6362\u6cb9\u7bb1\u76d6\u4ee5\u53ca\u4fee\u590d EVAP \u7cfb\u7edf\u8f6f\u7ba1\u6216\u90e8\u4ef6\u7684\u6cc4\u6f0f\u3002<\/p>\n<h3>\u6211\u80fd\u81ea\u5df1\u66f4\u6362 EVAP \u538b\u529b\u4f20\u611f\u5668\u5417\uff1f<\/h3>\n<p>\u66f4\u6362 EVAP \u538b\u529b\u4f20\u611f\u5668\u53ef\u80fd\u5177\u6709\u6311\u6218\u6027\uff0c\u56e0\u4e3a\u5b83\u901a\u5e38\u4f4d\u4e8e\u71c3\u6cb9\u7bb1\u5185\u90e8\u3002\u53ef\u80fd\u9700\u8981\u62c6\u4e0b\u71c3\u6cb9\u7bb1\uff0c\u53ea\u6709\u7ecf\u9a8c\u4e30\u5bcc\u7684 DIY \u7231\u597d\u8005\u6216\u4e13\u4e1a\u6280\u5e08\u624d\u5e94\u5c1d\u8bd5\u3002<\/p>\n<h3>\u8bca\u65ad\u548c\u4fee\u590d P0451 \u4ee3\u7801\u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u8bca\u65ad\u8d39\u7528\u901a\u5e38\u5728 $75-$150 \u4e4b\u95f4\uff0c\u4fee\u7406\u8d39\u7528\u53ef\u4ee5\u4ece $10 \u66f4\u6362\u6cb9\u7bb1\u76d6\u5230 $400 \u4ee5\u4e0a\u66f4\u6362 EVAP \u538b\u529b\u4f20\u611f\u5668\u3002<\/p>\n<h3>P0451 \u4ee3\u7801\u4f1a\u5bfc\u81f4\u71c3\u6cb9\u7ecf\u6d4e\u6027\u4e0b\u964d\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u5bfc\u81f4 P0451 \u4ee3\u7801\u7684 EVAP \u7cfb\u7edf\u6545\u969c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u71c3\u6cb9\u6548\u7387\u964d\u4f4e\u3002<\/p>\n<h3>P0451 \u4ee3\u7801\u4f1a\u5bfc\u81f4\u8f66\u8f86\u6392\u653e\u6d4b\u8bd5\u5931\u8d25\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0cP0451 \u4ee3\u7801\u53ef\u80fd\u5bfc\u81f4\u8f66\u8f86\u6392\u653e\u6d4b\u8bd5\u5931\u8d25\uff0c\u4fee\u590d\u4ee3\u7801\u540e\u518d\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<h3>\u5982\u4f55\u9632\u6b62 P0451 \u4ee3\u7801\u51fa\u73b0\uff1f<\/h3>\n<p>\u5b9a\u671f\u68c0\u67e5\u548c\u7ef4\u62a4 EVAP \u7cfb\u7edf\uff0c\u53ca\u65f6\u5904\u7406\u4efb\u4f55\u71c3\u6cb9\u6c14\u5473\u6216 EVAP \u76f8\u5173\u4ee3\u7801\uff0c\u5e76\u786e\u4fdd\u6cb9\u7bb1\u76d6\u59cb\u7ec8\u7d27\u95ed\uff0c\u53ef\u4ee5\u5e2e\u52a9\u9632\u6b62 P0451 \u4ee3\u7801\u51fa\u73b0\u3002<\/p>\n<h3>P0451 \u4ee3\u7801\u80fd\u5f15\u53d1\u5176\u4ed6\u4ee3\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0cP0451 \u4ee3\u7801\u6709\u65f6\u4f1a\u4f34\u968f\u5176\u4ed6 EVAP \u7cfb\u7edf\u76f8\u5173\u4ee3\u7801\uff0c\u5982 P0440\u3001P0442\u3001P0446\u3001<a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0455-evap-system-leak-detected-gross-leak-no-flow\/\" title=\"P0455\">P0455<\/a> \u6216 <a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0456-evap-system-leak-detected-very-small-leak\/\" title=\"P0456 \u4e00\u540c\u51fa\u73b0\">P0456 \u4e00\u540c\u51fa\u73b0<\/a>\u3002<\/p>\n<h3>P0451 \u4ee3\u7801\u662f\u5426\u9488\u5bf9\u7279\u5b9a\u7684\u8f66\u8f86\u54c1\u724c\u6216\u578b\u53f7\uff1f<\/h3>\n<p>\u5426\uff0cP0451 \u662f\u4e00\u4e2a\u901a\u7528\u7684 OBD-II \u4ee3\u7801\uff0c\u53ef\u80fd\u51fa\u73b0\u5728\u4efb\u4f55\u914d\u5907 EVAP \u7cfb\u7edf\u7684\u8f66\u8f86\u4e2d\uff0c\u5c3d\u7ba1\u5177\u4f53\u7684\u4fee\u7406\u6b65\u9aa4\u53ef\u80fd\u56e0\u54c1\u724c\u548c\u578b\u53f7\u800c\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h3>\u8bca\u65ad\u548c\u4fee\u590d P0451 \u4ee3\u7801\u9700\u8981\u591a\u957f\u65f6\u95f4\uff1f<\/h3>\n<p>\u8bca\u65ad\u901a\u5e38\u9700\u8981 1-2 \u5c0f\u65f6\uff0c\u800c\u4fee\u7406\u65f6\u95f4\u56e0\u5177\u4f53\u95ee\u9898\u800c\u5f02\uff0c\u4ece\u66f4\u6362\u6cb9\u7bb1\u76d6\u51e0\u5206\u949f\u5230\u66f4\u6362 EVAP \u538b\u529b\u4f20\u611f\u5668\u6570\u5c0f\u65f6\u4e0d\u7b49\u3002<\/p>\n<h3>P0451 \u4ee3\u7801\u53ef\u80fd\u662f\u7531\u4e8e\u8fc7\u5ea6\u52a0\u6cb9\u5f15\u8d77\u7684\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u8fc7\u5ea6\u52a0\u6cb9\u53ef\u80fd\u5bfc\u81f4\u6db2\u6001\u71c3\u6cb9\u8fdb\u5165 EVAP \u7cfb\u7edf\uff0c\u89e6\u53d1 P0451 \u4ee3\u7801\u3002<\/p>\n<h3>P0451 \u4ee3\u7801\u80fd\u81ea\u52a8\u6e05\u9664\u5417\uff1f<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u7531\u677e\u52a8\u6cb9\u7bb1\u76d6\u5f15\u8d77\u7684 P0451 \u4ee3\u7801\u53ef\u80fd\u5728\u51e0\u6b21\u9a7e\u9a76\u5faa\u73af\u540e\u81ea\u884c\u6e05\u9664\uff0c\u524d\u63d0\u662f\u6cb9\u7bb1\u76d6\u5df2\u7ecf\u62e7\u7d27\u3002\u7136\u800c\uff0c\u4efb\u4f55\u6f5c\u5728\u7684\u95ee\u9898\u4ecd\u5e94\u53ca\u65f6\u89e3\u51b3\u3002<\/p>\n<h3>P0451 \u4ee3\u7801\u548c P0452 \u4ee3\u7801\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h3>\n<p>P0451 \u4ee3\u7801\u8868\u793a EVAP \u538b\u529b\u4f20\u611f\u5668\u7684\u8303\u56f4\/\u6027\u80fd\u95ee\u9898\uff0c\u800c P0452 \u4ee3\u7801\u5219\u7279\u522b\u6307\u51fa\u4f20\u611f\u5668\u8f93\u5165\u8fc7\u4f4e\u3002<\/p>\n<h3>\u4f7f\u7528\u9519\u8bef\u7c7b\u578b\u7684\u6cb9\u7bb1\u76d6\u80fd\u5f15\u53d1 P0451 \u4ee3\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u4f7f\u7528\u5bc6\u5c01\u4e0d\u826f\u7684\u9519\u8bef\u6216\u975e\u539f\u5382\u6cb9\u7bb1\u76d6\u53ef\u80fd\u5bfc\u81f4 EVAP \u7cfb\u7edf\u6cc4\u6f0f\uff0c\u4ece\u800c\u89e6\u53d1 P0451 \u4ee3\u7801\u3002<\/p>\n<p>\u5173\u4e8e P0451 \u4ee3\u7801\u7684\u5173\u952e\u70b9\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5b83\u8868\u793a EVAP \u7cfb\u7edf\u538b\u529b\u4f20\u611f\u5668\u8bfb\u6570\u8d85\u51fa\u8303\u56f4\u3002<\/li>\n<li>\u5e38\u89c1\u539f\u56e0\u5305\u62ec\u538b\u529b\u4f20\u611f\u5668\u6545\u969c\u3001\u7ebf\u8def\u95ee\u9898\u3001\u677e\u52a8\u6cb9\u7bb1\u76d6\u6216 EVAP 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