{"id":288098,"date":"2024-10-25T07:30:04","date_gmt":"2024-10-25T07:30:04","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=288098"},"modified":"2024-10-25T07:30:04","modified_gmt":"2024-10-25T07:30:04","slug":"spn-4765-aftertreatment-diesel-particulate-filter-regeneration-too-frequent","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/spn-4765-aftertreatment-diesel-particulate-filter-regeneration-too-frequent\/","title":{"rendered":"SPN 4765\uff1a\u5c3e\u6c14\u5904\u7406\u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668\u518d\u751f\u8fc7\u4e8e\u9891\u7e41"},"content":{"rendered":"<h2 id=\"fault-code-spn-4765-diesel-oxidation-catalyst-inlet-temperature-issue\">\u6545\u969c\u4ee3\u7801 SPN 4765\uff1a\u67f4\u6cb9\u6c27\u5316\u50ac\u5316\u5242\u5165\u53e3\u6e29\u5ea6\u95ee\u9898<\/h2>\n<p>\u6545\u969c\u4ee3\u7801 SPN 4765 \u8868\u660e\u67f4\u6cb9\u53d1\u52a8\u673a\u4e0a\u67f4\u6cb9\u6c27\u5316\u50ac\u5316\u5242 (DOC) \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668\u5b58\u5728\u95ee\u9898\uff0c\u9002\u7528\u4e8e\u914d\u5907 DOC \u548c\u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668 (DPF) \u7cfb\u7edf\u7684\u67f4\u6cb9\u53d1\u52a8\u673a\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u7ef4\u4fee\u8f66\u95f4\uff0c\u6211\u4eec\u7ecf\u5e38\u770b\u5230 SPN 4765 \u6545\u969c\u4ee3\u7801\uff0c\u5c24\u5176\u662f\u5728\u6b27\u6d32\u67f4\u6cb9\u8f66\u4e0a\u3002\u6211\u4eec\u591a\u6b21\u5728\u6c83\u5c14\u6c83\u3001\u5954\u9a70\u548c MAN \u5361\u8f66\u4e0a\u5904\u7406\u8fc7\u6b64\u4ee3\u7801\uff0c\u6709\u65f6\u4e5f\u51fa\u73b0\u5728\u65af\u582a\u5c3c\u4e9a\u548c DAF \u8f66\u578b\u4e0a\u3002\u5c3d\u7ba1\u5e76\u975e\u6b27\u6d32\u54c1\u724c\u72ec\u6709\uff0c\u4f46\u6211\u4eec\u6ce8\u610f\u5230\u6b64\u6545\u969c\u4ee3\u7801\u5728\u8fd9\u4e9b\u54c1\u724c\u4e2d\u66f4\u4e3a\u5e38\u89c1\u3002\u901a\u5e38\uff0c\u8be5\u4ee3\u7801\u8868\u660e\u67f4\u6cb9\u6c27\u5316\u50ac\u5316\u5242 (DOC) \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668\u5b58\u5728\u95ee\u9898\u3002\u6839\u636e\u6211\u4eec\u7684\u7ecf\u9a8c\uff0c\u8be5\u95ee\u9898\u901a\u5e38\u7531\u7ebf\u8def\u6545\u969c\u3001\u4f20\u611f\u5668\u6545\u969c\u6216\u8fc7\u91cf\u7684\u70df\u7070\u79ef\u805a\u5f15\u8d77\u3002\u6211\u4eec\u53d1\u73b0\uff0c\u5f7b\u5e95\u7684\u8bca\u65ad\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u7b80\u5355\u5730\u66f4\u6362\u4f20\u611f\u5668\u5e76\u4e0d\u80fd\u603b\u662f\u89e3\u51b3\u95ee\u9898\u3002\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5fc5\u987b\u6e05\u6d01\u6216\u66f4\u6362\u6574\u4e2a DOC\/DPF \u7cfb\u7edf\u624d\u80fd\u5b8c\u5168\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<\/div>\n<h2 id=\"severity\">\u4e25\u91cd\u6027<\/h2>\n<p>\u5982\u679c\u51fa\u73b0 SPN 4765 \u4ee3\u7801\uff0c<strong>\u901a\u5e38\u53ef\u4ee5\u77ed\u6682\u7ee7\u7eed\u9a7e\u9a76<\/strong>\u3002\u4f46\u4e3a\u4e86\u907f\u514d\u635f\u574f DOC\/DPF \u7cfb\u7edf\uff0c\u6700\u597d\u5c3d\u5feb\u8fdb\u884c\u8bca\u65ad\u548c\u7ef4\u4fee\u3002\u5982\u679c MIL \u706f\u95ea\u70c1\uff0c\u7acb\u5373\u505c\u6b62\u9a7e\u9a76\u5e76\u62d6\u8f66\u3002<\/p>\n<h2 id=\"code-specifics\">\u4ee3\u7801\u8be6\u60c5<\/h2>\n<p>SPN 4765 \u662f\u5404\u79cd\u53d1\u52a8\u673a\u54c1\u724c\u4f7f\u7528\u7684\u6807\u51c6 J1939 \u4ee3\u7801\u3002\u5177\u4f53\u95ee\u9898\u7531\u6545\u969c\u6a21\u5f0f\u6807\u8bc6\u7b26 (FMI) \u6307\u5b9a\uff1a<\/p>\n<ul>\n<li>FMI 2\uff1a\u6570\u636e\u4e0d\u7a33\u5b9a\u3001\u95f4\u6b47\u6027\u6216\u4e0d\u6b63\u786e<\/li>\n<li>FMI 3\uff1a\u7535\u538b\u8fc7\u9ad8\u6216\u77ed\u8def\u81f3\u9ad8\u7535\u538b<\/li>\n<li>FMI 18\uff1a\u6570\u636e\u8fc7\u4f4e\u6216\u77ed\u8def\u81f3\u4f4e\u7535\u538b<\/li>\n<li>FMI 21\uff1a\u6570\u636e\u6f02\u79fb\u81f3\u4f4e\u503c<\/li>\n<\/ul>\n<h2 id=\"affected-components\">\u53d7\u5f71\u54cd\u7684\u7ec4\u4ef6<\/h2>\n<p>\u4e0e SPN 4765 \u76f8\u5173\u7684\u5173\u952e\u90e8\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>DOC \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u67f4\u6cb9\u6c27\u5316\u50ac\u5316\u5242 (DOC)<\/li>\n<li>\u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668 (DPF)<\/li>\n<li>\u7ebf\u675f\u548c\u8fde\u63a5\u5668<\/li>\n<\/ul>\n<p>DOC \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668\u6d4b\u91cf\u8fdb\u5165 DOC \u7684\u5e9f\u6c14\u6e29\u5ea6\uff0c\u8be5\u50ac\u5316\u5242\u5c06 HC \u548c CO \u6c27\u5316\u6210 CO\u2082 \u548c H\u2082O\uff0cDPF \u7136\u540e\u6355\u83b7\u70df\u7070\u3002\u6b63\u786e\u7684 DOC \u5165\u53e3\u6e29\u5ea6\u5bf9\u4e8e DPF \u518d\u751f\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2 id=\"typical-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>SPN 4765 \u53ef\u7531\u4ee5\u4e0b\u539f\u56e0\u89e6\u53d1\uff1a<\/p>\n<ol>\n<li>\u635f\u574f\u7684 DOC \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u4f20\u611f\u5668\u7684\u7ebf\u8def\u6216\u8fde\u63a5\u5668\u635f\u574f<\/li>\n<li>DPF \u4e2d\u8fc7\u91cf\u7684\u70df\u7070\u79ef\u805a<\/li>\n<li>\u6392\u6c14\u90e8\u4ef6\u6cc4\u6f0f<\/li>\n<li>ECM \u8f6f\u4ef6\u9519\u8bef<\/li>\n<\/ol>\n<h2 id=\"troubleshooting\">\u6545\u969c\u6392\u67e5<\/h2>\n<ol>\n<li>\u68c0\u67e5\u662f\u5426\u5b58\u5728\u5176\u4ed6\u4ee3\u7801\u3002SPN 4765 \u901a\u5e38\u4f34\u968f SPN 3719 (DPF \u51fa\u53e3\u6e29\u5ea6) \u6216 SPN 3251 (\u540e\u5904\u7406 1 \u51fa\u53e3 NOx) \u7b49\u4ee3\u7801\u3002<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5 DOC \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u7ebf\u8def\u548c\u8fde\u63a5\u5668\u662f\u5426\u6709\u635f\u574f\u3001\u677e\u52a8\u6216\u8150\u8680\u3002<\/li>\n<li>\u4f7f\u7528\u4e07\u7528\u8868\u68c0\u67e5\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u7535\u963b\uff0c\u5e76\u4e0e\u89c4\u8303\u503c\uff0820\u00b0C\/68\u00b0F \u4e0b\u7ea6185 \u03a9\uff09\u8fdb\u884c\u6bd4\u8f83\u3002<\/li>\n<li>\u5982\u679c\u7ebf\u8def\u6b63\u5e38\uff0c\u62c6\u4e0b DOC \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u68c0\u67e5\u662f\u5426\u6709\u70df\u7070\u6216\u6742\u8d28\u5806\u79ef\u3002<\/li>\n<\/ol>\n<h2 id=\"fixes\">\u89e3\u51b3\u65b9\u6848<\/h2>\n<ul>\n<li>\u6e05\u6d01\u6216\u66f4\u6362\u6545\u969c DOC \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u4fee\u590d\u635f\u574f\u7684\u7ebf\u8def\u548c\u8fde\u63a5\u5668<\/li>\n<li>\u6e05\u6d01\u6216\u66f4\u6362\u5835\u585e\u7684 DPF<\/li>\n<li>\u4fee\u590d\u6392\u6c14\u6cc4\u6f0f<\/li>\n<li>\u5982\u679c\u6709\u53ef\u7528\u7684\u66f4\u65b0\uff0c\u5237\u65b0 ECM \u8f6f\u4ef6<\/li>\n<\/ul>\n<h2 id=\"avoidance\">\u9884\u9632\u63aa\u65bd<\/h2>\n<ul>\n<li>\u6309\u8ba1\u5212\u7ef4\u62a4 DOC\/DPF \u7cfb\u7edf<\/li>\n<li>\u4f7f\u7528\u4f18\u8d28\u67f4\u6cb9\u548c\u673a\u6cb9<\/li>\n<li>\u5c3d\u5feb\u4fee\u590d\u6392\u6c14\u6cc4\u6f0f<\/li>\n<li>\u51cf\u5c11\u6020\u901f\u65f6\u95f4<\/li>\n<\/ul>\n<h2 id=\"repair-costs\">\u7ef4\u4fee\u8d39\u7528<\/h2>\n<ul>\n<li>DOC \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668\uff1a$75-$150 \u7f8e\u5143 \/ \u20ac65-\u20ac130 \u6b27\u5143<\/li>\n<li>\u7ebf\u8def\u4fee\u590d\uff1a$100-$300 \u7f8e\u5143 \/ \u20ac85-\u20ac255 \u6b27\u5143<\/li>\n<li>DPF \u6e05\u6d01\uff1a$300-$700 \u7f8e\u5143 \/ \u20ac255-\u20ac595 \u6b27\u5143<\/li>\n<li>DPF \u66f4\u6362\uff1a$1500-$3000 \u7f8e\u5143 \/ \u20ac1275-\u20ac2550 \u6b27\u5143<\/li>\n<\/ul>\n<p>\u5b9e\u9645\u4ef7\u683c\u53d6\u51b3\u4e8e\u8f66\u8f86\u578b\u53f7\u548c\u7ef4\u4fee\u8d39\u7528\u3002\u6b63\u786e\u8bca\u65ad\u53ef\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u90e8\u4ef6\u66f4\u6362\u3002<\/p>\n<h2 id=\"fault-code-spn-4765-faq\">\u6545\u969c\u4ee3\u7801 SPN 4765 \u5e38\u89c1\u95ee\u9898<\/h2>\n<h3 id=\"what-does-spn-4765-indicate-\">SPN 4765 \u8868\u793a\u4ec0\u4e48\uff1f<\/h3>\n<p>SPN 4765 \u8868\u793a\u67f4\u6cb9\u6c27\u5316\u50ac\u5316\u5242 (DOC) \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n<h3 id=\"is-it-safe-to-continue-driving-with-spn-4765-\">\u6fc0\u6d3b SPN 4765 \u540e\u7ee7\u7eed\u9a7e\u9a76\u662f\u5426\u5b89\u5168\uff1f<\/h3>\n<p>\u901a\u5e38\u53ef\u4ee5\u77ed\u671f\u7ee7\u7eed\u9a7e\u9a76\uff0c\u4f46\u6700\u597d\u5c3d\u5feb\u8bca\u65ad\u548c\u4fee\u590d\u95ee\u9898\uff0c\u4ee5\u9632\u6b62\u5bf9 DOC\/DPF \u7cfb\u7edf\u9020\u6210\u6f5c\u5728\u635f\u574f\u3002<\/p>\n<h3 id=\"what-are-the-common-fmi-codes-associated-with-spn-4765-\">SPN 4765 \u76f8\u5173\u7684\u5e38\u89c1 FMI \u4ee3\u7801\u6709\u54ea\u4e9b\uff1f<\/h3>\n<p>\u5e38\u89c1\u7684 FMI \u4ee3\u7801\u5305\u62ec 2\uff08\u6570\u636e\u4e0d\u7a33\u5b9a\uff09\u30013\uff08\u7535\u538b\u8fc7\u9ad8\uff09\u300118\uff08\u7535\u538b\u8fc7\u4f4e\uff09\u548c 21\uff08\u6570\u636e\u6f02\u79fb\u4f4e\uff09\u3002<\/p>\n<h3 id=\"which-vehicle-systems-are-affected-by-spn-4765-\">SPN 4765 \u5f71\u54cd\u54ea\u4e9b\u8f66\u8f86\u7cfb\u7edf\uff1f<\/h3>\n<p>SPN 4765 \u5f71\u54cd\u5c3e\u6c14\u540e\u5904\u7406\u7cfb\u7edf\uff0c\u7279\u522b\u662f DOC \u548c DPF\u3002<\/p>\n<h3 id=\"what-are-the-main-causes-of-spn-4765-\">SPN 4765 \u7684\u4e3b\u8981\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5e38\u89c1\u539f\u56e0\u5305\u62ec\u6545\u969c\u7684 DOC \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668\u3001\u635f\u574f\u7684\u7ebf\u8def\/\u8fde\u63a5\u5668\u3001\u8fc7\u91cf\u7684\u70df\u7070\u79ef\u805a\u3001\u6392\u6c14\u6cc4\u6f0f\u6216 ECM \u8f6f\u4ef6\u95ee\u9898\u3002<\/p>\n<h3 id=\"how-do-i-diagnose-spn-4765-\">\u5982\u4f55\u8bca\u65ad SPN 4765\uff1f<\/h3>\n<p>\u9996\u5148\u626b\u63cf\u6240\u6709\u6545\u969c\u4ee3\u7801\uff0c\u68c0\u67e5\u7ebf\u8def\u548c\u8fde\u63a5\u5668\uff0c\u6d4b\u91cf\u4f20\u611f\u5668\u7535\u963b\uff0c\u5e76\u68c0\u67e5\u4f20\u611f\u5668\u4e0a\u7684\u70df\u7070\u79ef\u805a\u3002<\/p>\n<h3 id=\"can-spn-4765-be-caused-by-a-clogged-dpf-\">\u5835\u585e\u7684 DPF \u4f1a\u5bfc\u81f4 SPN 4765 \u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0cDPF \u4e2d\u8fc7\u591a\u7684\u70df\u7070\u79ef\u805a\u53ef\u80fd\u4f1a\u5f71\u54cd\u5c3e\u6c14\u6d41\u91cf\u548c\u6e29\u5ea6\uff0c\u4ece\u800c\u5bfc\u81f4 SPN 4765\u3002<\/p>\n<h3 id=\"what-other-fault-codes-might-appear-with-spn-4765-\">\u54ea\u4e9b\u5176\u4ed6\u6545\u969c\u4ee3\u7801\u53ef\u80fd\u4e0e SPN 4765 \u4e00\u8d77\u51fa\u73b0\uff1f<\/h3>\n<p>SPN 4765 \u53ef\u80fd\u4e0e SPN 3719\uff08DPF \u51fa\u53e3\u6e29\u5ea6\uff09\u6216 SPN 3251\uff08\u540e\u5904\u7406 1 \u51fa\u53e3 NOx\uff09\u4ee3\u7801\u4e00\u540c\u51fa\u73b0\u3002<\/p>\n<h3 id=\"how-much-does-it-cost\n\n-to-repair-spn-4765-\">\u4fee\u590d SPN 4765 \u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u7ef4\u4fee\u8d39\u7528\u5404\u4e0d\u76f8\u540c\uff0c\u4ece\u66f4\u6362\u4f20\u611f\u5668\u7684 $75-$150 \u5230\u66f4\u6362 DPF \u7684 $1500-$3000\uff0c\u53d6\u51b3\u4e8e\u6839\u672c\u539f\u56e0\u3002<\/p>\n<h3 id=\"can-i-clean-the-doc-inlet-temperature-sensor-\">\u6211\u53ef\u4ee5\u6e05\u6d01 DOC \u5165\u53e3\u6e29\u5ea6\u4f20\u611f\u5668\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u5982\u679c\u4f20\u611f\u5668\u88ab\u70df\u7070\u6216\u6742\u8d28\u6c61\u67d3\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u6e05\u6d01\uff1b\u4f46\u5982\u679c\u635f\u574f\uff0c\u53ef\u80fd\u9700\u8981\u66f4\u6362\u3002<\/p>\n<h3 id=\"how-often-should-the-doc-dpf-system-be-serviced-\">DOC\/DPF \u7cfb\u7edf\u5e94\u591a\u957f\u65f6\u95f4\u7ef4\u62a4\u4e00\u6b21\uff1f<\/h3>\n<p>\u9075\u5faa\u5236\u9020\u5546\u63a8\u8350\u7684\u7ef4\u62a4\u95f4\u9694\uff0c\u901a\u5e38\u5efa\u8bae\u6bcf 200,000-400,000 \u82f1\u91cc\u8fdb\u884c DPF \u6e05\u6d01\u3002<\/p>\n<h3 id=\"can-poor-fuel-quality-cause-spn-4765-\">\u4f4e\u8d28\u91cf\u71c3\u6cb9\u4f1a\u5bfc\u81f4 SPN 4765 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