{"id":287972,"date":"2024-10-24T11:11:52","date_gmt":"2024-10-24T11:11:52","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287972"},"modified":"2024-11-05T02:49:17","modified_gmt":"2024-11-05T02:49:17","slug":"p0302-cylinder-2-misfire-causes-symptoms-and-solutions","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p0302-cylinder-2-misfire-causes-symptoms-and-solutions\/","title":{"rendered":"P0302 &#8211; \u7f382\u5931\u706b\uff1a\u539f\u56e0\u3001\u75c7\u72b6\u53ca\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"<h2 id=\"urgency-and-safety-considerations\">\u7d27\u6025\u6027\u4e0e\u5b89\u5168\u8003\u91cf<\/h2>\n<p>P0302\u4ee3\u7801\u8868\u793a2\u53f7\u6c14\u7f38\u5931\u706b\uff0c\u662f\u4e00\u4e2a\u9700\u8981\u7acb\u5373\u5173\u6ce8\u7684\u4e25\u91cd\u95ee\u9898\u3002\u5982\u679c\u7ee7\u7eed\u5728\u8be5\u4ee3\u7801\u6fc0\u6d3b\u7684\u60c5\u51b5\u4e0b\u9a7e\u9a76\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u50ac\u5316\u8f6c\u6362\u5668\u635f\u574f\u3001\u70b9\u706b\u5931\u8d25\u4ee5\u53ca\u6f5c\u5728\u7684\u5371\u9669\u9a7e\u9a76\u60c5\u51b5\u3002\u5f3a\u70c8\u5efa\u8bae\u5c3d\u5feb\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u6700\u597d\u5728\u53d1\u73b0\u5f53\u5929\u8fdb\u884c\u4fee\u590d\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\u91cc\uff0c\u6211\u4eec\u5728\u5404\u79cd\u54c1\u724c\u7684\u8f66\u8f86\u4e2d\u90fd\u9047\u5230\u8fc7P0302\u4ee3\u7801\uff0c\u5c24\u5176\u662f\u5728\u6b27\u6d32\u8f66\u8f86\u4e2d\u5f88\u5e38\u89c1\u3002\u6211\u4eec\u7ecf\u5e38\u5728\u5927\u4f17\u96c6\u56e2\u7684\u6c7d\u8f66\u4e2d\u9047\u5230\uff0c\u5305\u62ec\u5927\u4f17\u3001\u5965\u8fea\u548c\u65af\u67ef\u8fbe\u8f66\u578b\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u6700\u8fd1\u4fee\u7406\u4e86\u4e00\u8f86\u65af\u67ef\u8fbeFabia\uff0c\u51fa\u73b0\u4e86P0302\u4ee3\u7801\uff0c\u539f\u56e0\u662f\u70b9\u706b\u7ebf\u5708\u635f\u574f\u3002\u5728\u5b9d\u9a6c\uff08\u7279\u522b\u662f3\u7cfb\u548c5\u7cfb\uff09\u4e2d\uff0c\u6b64\u4ee3\u7801\u901a\u5e38\u662f\u7531\u70b9\u706b\u7ebf\u5708\u6545\u969c\u5f15\u8d77\u7684\u3002\u5954\u9a70C\u7ea7\u548cE\u7ea7\u8f66\u578b\u4e5f\u5e38\u89c1\u6b64\u4ee3\u7801\uff0c\u901a\u5e38\u4e0e\u706b\u82b1\u585e\u6709\u5173\u3002\u867d\u7136\u5728\u65e5\u7cfb\u8f66\u4e2d\u8f83\u5c11\u89c1\u5230P0302\uff0c\u4f46\u6211\u4eec\u66fe\u5728\u672c\u7530Insight\u548c\u4e30\u75304Runner\u4e2d\u9047\u5230\u6b64\u4ee3\u7801\uff0c\u901a\u5e38\u901a\u8fc7\u66f4\u6362\u706b\u82b1\u585e\u6216\u70b9\u706b\u7ebf\u5708\u6765\u89e3\u51b3\u3002\u6211\u4eec\u53d1\u73b0\u6b27\u6d32\u8f66\u66f4\u5bb9\u6613\u53d1\u751f\u7279\u5b9a\u6c14\u7f38\u5931\u706b\uff0c\u8fd9\u53ef\u80fd\u4e0e\u5b83\u4eec\u66f4\u590d\u6742\u7684\u70b9\u706b\u7cfb\u7edf\u548c\u8f83\u7d27\u5bc6\u7684\u53d1\u52a8\u673a\u516c\u5dee\u6709\u5173\u3002<\/p>\n<\/div>\n<h2 id=\"technical-explanation-of-p0302\">P0302\u4ee3\u7801\u6280\u672f\u89e3\u91ca<\/h2>\n<p>P0302\u4ee3\u7801\u8868\u793a\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757\uff08ECM\uff09\u68c0\u6d4b\u52302\u53f7\u6c14\u7f38\u9891\u7e41\u5931\u706b\u3002\u6b64\u68c0\u6d4b\u57fa\u4e8eECM\u5bf9\u5b58\u50a8\u7684\u66f2\u8f74\u8109\u51b2\u6a21\u5f0f\u4e0e\u5b9e\u65f6\u6570\u636e\u7684\u6bd4\u8f83\u3002\u5f53ECM\u68c0\u6d4b\u52302\u53f7\u6c14\u7f38\u7684\u8f6c\u901f\u663e\u8457\u504f\u79bb\u65f6\uff0c\u4fbf\u89e6\u53d1P0302\u4ee3\u7801\u3002<\/p>\n<h2 id=\"ecu-detection-methods\">ECU\u68c0\u6d4b\u65b9\u6cd5<\/h2>\n<p>ECM\u4f7f\u7528\u591a\u79cd\u4f20\u611f\u5668\u6765\u68c0\u6d4b\u5931\u706b\uff1a<\/p>\n<ol>\n<li>\u66f2\u8f74\u4f4d\u7f6e\u4f20\u611f\u5668\uff1a\u76d1\u63a7\u53d1\u52a8\u673aRPM\u6ce2\u52a8<\/li>\n<li>\u51f8\u8f6e\u8f74\u4f4d\u7f6e\u4f20\u611f\u5668\uff1a\u63d0\u4f9b\u6c14\u7f38\u8bc6\u522b<\/li>\n<li>\u6c27\u4f20\u611f\u5668\uff1a\u68c0\u6d4b\u6392\u6c14\u4e2d\u7684\u672a\u71c3\u71c3\u6599<\/li>\n<\/ol>\n<p>\u5f53\u8fd9\u4e9b\u4f20\u611f\u5668\u6307\u793a2\u53f7\u6c14\u7f38\u7684\u71c3\u70e7\u4e8b\u4ef6\u4e0d\u6b63\u5e38\u65f6\uff0cECM\u4fbf\u4f1a\u8bbe\u5b9aP0302\u4ee3\u7801\u3002<\/p>\n<h2 id=\"applicability-across-vehicle-makes-models\">\u9002\u7528\u4e8e\u4e0d\u540c\u54c1\u724c\u548c\u8f66\u578b<\/h2>\n<p>P0302\u4ee3\u7801\u9002\u7528\u4e8e\u6240\u6709\u7b26\u5408OBD-II\u6807\u51c6\u7684\u8f66\u8f86\uff0c\u4f46\u5177\u4f53\u7684\u6545\u969c\u539f\u56e0\u548c\u4fee\u590d\u7a0b\u5e8f\u53ef\u80fd\u56e0\u54c1\u724c\u3001\u8f66\u578b\u548c\u53d1\u52a8\u673a\u914d\u7f6e\u800c\u5f02\u3002\u4e0d\u8fc7\uff0c\u5927\u591a\u6570\u8f66\u8f86\u7684\u8bca\u65ad\u65b9\u6cd5\u5927\u81f4\u76f8\u540c\u3002<\/p>\n<h2 id=\"components-and-systems-involved\">\u6d89\u53ca\u7684\u7ec4\u4ef6\u4e0e\u7cfb\u7edf<\/h2>\n<h3 id=\"ignition-system\">\u70b9\u706b\u7cfb\u7edf<\/h3>\n<ul>\n<li>\u706b\u82b1\u585e<\/li>\n<li>\u70b9\u706b\u7ebf\u5708<\/li>\n<li>\u706b\u82b1\u585e\u7ebf\uff08\u5982\u679c\u9002\u7528\uff09<\/li>\n<li>\u5206\u7535\u5668\uff08\u9002\u7528\u4e8e\u8001\u5f0f\u8f66\u8f86\uff09<\/li>\n<\/ul>\n<h3 id=\"fuel-system\">\u71c3\u6cb9\u7cfb\u7edf<\/h3>\n<ul>\n<li>\u71c3\u6cb9\u55b7\u5c04\u5668<\/li>\n<li>\u71c3\u6cb9\u538b\u529b\u8c03\u8282\u5668<\/li>\n<li>\u71c3\u6cb9\u6cf5<\/li>\n<li>\u71c3\u6cb9\u8d28\u91cf\u4e0e\u6c61\u67d3<\/li>\n<\/ul>\n<h3 id=\"engine-mechanical\">\u53d1\u52a8\u673a\u673a\u68b0<\/h3>\n<ul>\n<li>\u538b\u7f29<\/li>\n<li>\u6c14\u95e8\u548c\u6c14\u95e8\u6b63\u65f6<\/li>\n<li>\u6d3b\u585e\u73af<\/li>\n<li>\u6c14\u7f38\u76d6\u57ab\u7247<\/li>\n<\/ul>\n<h3 id=\"sensors\">\u4f20\u611f\u5668<\/h3>\n<ul>\n<li>\u66f2\u8f74\u4f4d\u7f6e\u4f20\u611f\u5668<\/li>\n<li>\u51f8\u8f6e\u8f74\u4f4d\u7f6e\u4f20\u611f\u5668<\/li>\n<li>\u7a7a\u6c14\u6d41\u91cf\u4f20\u611f\u5668<\/li>\n<li>\u6c27\u4f20\u611f\u5668<\/li>\n<\/ul>\n<h2 id=\"common-root-causes\">\u5e38\u89c1\u6839\u672c\u539f\u56e0<\/h2>\n<ol>\n<li>\u706b\u82b1\u585e\u6545\u969c\u6216\u78e8\u635f<\/li>\n<li>\u70b9\u706b\u7ebf\u5708\u635f\u574f<\/li>\n<li>\u71c3\u6cb9\u55b7\u5c04\u5668\u95ee\u9898\uff08\u5835\u585e\u6216\u6545\u969c\uff09<\/li>\n<li>\u771f\u7a7a\u6cc4\u6f0f<\/li>\n<li>\u71c3\u6cb9\u538b\u529b\u8fc7\u4f4e<\/li>\n<li>\u51f8\u8f6e\u8f74\u6216\u66f2\u8f74\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u53d1\u52a8\u673a\u6b63\u65f6\u4e0d\u6b63\u786e<\/li>\n<li>\u6c14\u7f38\u76d6\u57ab\u7247\u6cc4\u6f0f<\/li>\n<li>\u53d1\u52a8\u673a\u538b\u7f29\u4e0d\u8db3<\/li>\n<li>\u71c3\u6cb9\u8d28\u91cf\u5dee\u6216\u71c3\u6cb9\u6c61\u67d3<\/li>\n<\/ol>\n<h2 id=\"step-by-step-diagnostic-procedure\">\u9010\u6b65\u8bca\u65ad\u7a0b\u5e8f<\/h2>\n<ol>\n<li>\n<p>\u76ee\u89c6\u68c0\u67e5\uff1a<\/p>\n<ul>\n<li>\u68c0\u67e5\u662f\u5426\u6709\u677e\u52a8\u6216\u635f\u574f\u7684\u7535\u7ebf\u8fde\u63a5<\/li>\n<li>\u68c0\u67e5\u662f\u5426\u5b58\u5728\u660e\u663e\u7684\u771f\u7a7a\u6cc4\u6f0f<\/li>\n<li>\u68c0\u67e5\u706b\u82b1\u585e\u548c\u70b9\u706b\u7ebf\u5708\u662f\u5426\u6709\u78e8\u635f\u6216\u635f\u574f\u7684\u8ff9\u8c61<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u626b\u63cf\u5de5\u5177\u5206\u6790\uff1a<\/p>\n<ul>\n<li>\u68c0\u7d22\u6240\u6709\u5b58\u50a8\u7684\u4ee3\u7801\u548c\u51bb\u7ed3\u5e27\u6570\u636e<\/li>\n<li>\u5206\u6790\u5b9e\u65f6\u6570\u636e\u6d41\uff0c\u91cd\u70b9\u5173\u6ce8\u5931\u706b\u8ba1\u6570\u548c\u71c3\u6cb9\u4fee\u6b63\u503c<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7ec4\u4ef6\u6d4b\u8bd5\uff1a<\/p>\n<ul>\n<li>\u6d4b\u8bd5\u706b\u82b1\u585e\u7535\u963b\uff08\u901a\u5e38\u4e3a0.6\u81f31.8\u6b27\u59c6\uff09<\/li>\n<li>\u68c0\u67e5\u70b9\u706b\u7ebf\u5708\u521d\u7ea7\u7535\u963b\uff080.4\u81f32.0\u6b27\u59c6\uff09\u548c\u6b21\u7ea7\u7535\u963b\uff086,000\u81f315,000\u6b27\u59c6\uff09<\/li>\n<li>\u8fdb\u884c\u71c3\u6cb9\u55b7\u5c04\u5668\u7535\u963b\u6d4b\u8bd5\uff08\u901a\u5e38\u4e3a10\u81f316\u6b27\u59c6\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u673a\u68b0\u6d4b\u8bd5\uff1a<\/p>\n<ul>\n<li>\u8fdb\u884c\u538b\u7f29\u6d4b\u8bd5\uff08\u5bf9\u4e8e\u6c7d\u6cb9\u53d1\u52a8\u673a\uff0c\u901a\u5e38\u4e3a125-160 psi\u6216862-1103 kPa\uff09<\/li>\n<li>\u8fdb\u884c\u6c14\u7f38\u6cc4\u6f0f\u6d4b\u8bd5\uff08\u6cc4\u6f0f\u7387\u4e0d\u5e94\u8d85\u8fc720%\uff09<\/li>\n<li>\u68c0\u67e5\u71c3\u6cb9\u538b\u529b\uff08\u5927\u591a\u6570\u71c3\u6cb9\u55b7\u5c04\u53d1\u52a8\u673a\u7684\u538b\u529b\u4e3a40-60 psi\u6216276-414 kPa\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2 id=\"repair-solutions\">\u4fee\u590d\u89e3\u51b3\u65b9\u6848<\/h2>\n<p>\u6839\u636e\u8bca\u65ad\u7ed3\u679c\uff0c\u5e38\u89c1\u7684\u4fee\u590d\u65b9\u6848\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\u66f4\u6362\u6545\u969c\u706b\u82b1\u585e\u6216\u70b9\u706b\u7ebf\u5708<\/li>\n<li>\u6e05\u6d01\u6216\u66f4\u6362\u71c3\u6cb9\u55b7\u5c04\u5668<\/li>\n<li>\u4fee\u590d\u771f\u7a7a\u6cc4\u6f0f<\/li>\n<li>\u66f4\u6362\u635f\u574f\u7684\u4f20\u611f\u5668<\/li>\n<li>\u8c03\u6574\u53d1\u52a8\u673a\u6b63\u65f6<\/li>\n<li>\u4fee\u590d\u6216\u66f4\u6362\u6c14\u7f38\u76d6\u57ab\u7247<\/li>\n<li>\u5904\u7406\u53d1\u52a8\u673a\u5185\u90e8\u673a\u68b0\u95ee\u9898<\/li>\n<\/ol>\n<h2 id=\"prevention-and-maintenance-tips\">\u9884\u9632\u4e0e\u7ef4\u62a4\u5efa\u8bae<\/h2>\n<ol>\n<li>\u9075\u5faa\u5236\u9020\u5546\u5efa\u8bae\u7684\u7ef4\u62a4\u65f6\u95f4\u8868<\/li>\n<li>\u4f7f\u7528\u9ad8\u8d28\u91cf\u71c3\u6cb9\u548c\u673a\u6cb9<\/li>\n<li>\u6309\u65f6\u66f4\u6362\u706b\u82b1\u585e<\/li>\n<li>\u4fdd\u6301\u7a7a\u6c14\u6ee4\u6e05\u5668\u6e05\u6d01<\/li>\n<li>\u53ca\u65f6\u5904\u7406\u53d1\u52a8\u673a\u6545\u969c\u706f<\/li>\n<\/ol>\n<h2 id=\"typical-repair-costs\">\u5178\u578b\u4fee\u590d\u6210\u672c<\/h2>\n<p>\u96f6\u4ef6\u6210\u672c\uff08\u5927\u81f4\uff09\uff1a<\/p>\n<ul>\n<li>\u706b\u82b1\u585e\uff1a\u6bcf\u4e2a10-100\u7f8e\u5143\uff088-85\u6b27\u5143\uff09<\/li>\n<li>\u70b9\u706b\u7ebf\u5708\uff1a\u6bcf\u4e2a50-300\u7f8e\u5143\uff0842-255\u6b27\u5143\uff09<\/li>\n<li>\u71c3\u6cb9\u55b7\u5c04\u5668\uff1a\u6bcf\u4e2a100-500\u7f8e\u5143\uff0885-425\u6b27\u5143\uff09<\/li>\n<\/ul>\n<p>\u4eba\u5de5\u6210\u672c\u4f30\u7b97\uff1a<\/p>\n<ul>\n<li>\u66f4\u6362\u706b\u82b1\u585e\u6216\u70b9\u706b\u7ebf\u5708\u97001-3\u5c0f\u65f6<\/li>\n<li>\u66f4\u6362\u71c3\u6cb9\u55b7\u5c04\u5668\u97002-4\u5c0f\u65f6<\/li>\n<\/ul>\n<p>DIY\u4e0e\u4e13\u4e1a\u7ef4\u4fee\uff1a<\/p>\n<ul>\n<li>DIY\u53ef\u4ee5\u8282\u7701100-300\u7f8e\u5143\uff0885-255\u6b27\u5143\uff09\u7684\u4eba\u5de5\u6210\u672c<\/li>\n<li>\u4e13\u4e1a\u8bca\u65ad\u786e\u4fdd\u51c6\u786e\u8bc6\u522b\u95ee\u9898<\/li>\n<\/ul>\n<h2 id=\"related-codes-and-symptoms\">\u76f8\u5173\u4ee3\u7801\u4e0e\u75c7\u72b6<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0300-random-multiple-cylinder-misfire-detected\/\" title=\"P0300\uff1a\u968f\u673a\/\u591a\u7f38\u5931\u706b\u68c0\u6d4b\">P0300\uff1a\u968f\u673a\/\u591a\u7f38\u5931\u706b\u68c0\u6d4b<\/a><\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0301-cylinder-1-misfire\/\" title=\"P0301\">P0301<\/a>\u3001<a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0303-cylinder-3-misfire\/\" title=\"P0303\">P0303<\/a>\u3001<a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0304-cylinder-4-misfire\/\" title=\"P0304\uff1a\u5176\u4ed6\u6c14\u7f38\u5931\u706b\">P0304\uff1a\u5176\u4ed6\u6c14\u7f38\u5931\u706b<\/a><\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0171-system-too-lean-bank-1\/\" title=\"P0171\">P0171<\/a>\/<a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p0174-system-too-lean-bank-2\/\" title=\"P0174\uff1a\u7cfb\u7edf\u8fc7\u7a00\u4ee3\u7801\u5e38\u4f34\u968f\u5931\u706b\u51fa\u73b0\">P0174\uff1a\u7cfb\u7edf\u8fc7\u7a00\u4ee3\u7801\u5e38\u4f34\u968f\u5931\u706b\u51fa\u73b0<\/a><\/li>\n<\/ul>\n<p>\u5e38\u89c1\u75c7\u72b6\u5305\u62ec\u6020\u901f\u4e0d\u7a33\u3001\u52a8\u529b\u4e0b\u964d\u548c\u6cb9\u8017\u589e\u52a0\u3002<\/p>\n<p>\u901a\u8fc7\u9075\u5faa\u6b64\u5168\u9762\u6307\u5357\uff0c\u6c7d\u8f66\u5de5\u7a0b\u5e08\u548c\u6280\u5e08\u53ef\u4ee5\u6709\u6548\u8bca\u65ad\u548c\u4fee\u590dP0302\u7f382\u5931\u706b\u95ee\u9898\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u54c1\u724c\u548c\u8f66\u578b\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-p0302\">\u5173\u4e8eP0302\u4ee3\u7801\u7684\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>P0302\u4ee3\u7801\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>P0302 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