{"id":288175,"date":"2024-10-28T05:55:29","date_gmt":"2024-10-28T05:55:29","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=288175"},"modified":"2024-10-29T10:12:26","modified_gmt":"2024-10-29T10:12:26","slug":"spn-3031-aftertreatment-1-outlet-nox-sensor-heater-issues","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/spn-3031-aftertreatment-1-outlet-nox-sensor-heater-issues\/","title":{"rendered":"SPN 3031 \u2013 \u540e\u5904\u74061\u51fa\u53e3NOx\u4f20\u611f\u5668\u52a0\u70ed\u5668\u95ee\u9898"},"content":{"rendered":"<h2 id=\"introduction\">\u4ecb\u7ecd<\/h2>\n<p>\u6545\u969c\u4ee3\u7801SPN 3031\u8868\u793a\u67f4\u6cb9\u6392\u6c14\u6db2\uff08DEF\uff09\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u51fa\u73b0\u6545\u969c\u3002\u867d\u7136\u8fd9\u4e2a\u95ee\u9898\u9700\u8981\u4e13\u4e1a\u6280\u5e08\u5c3d\u5feb\u68c0\u67e5\uff0c\u4f46\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u4ee5\u5c0f\u5fc3\u9a7e\u9a76\u4e00\u6bb5\u65f6\u95f4\uff0c\u76f4\u5230\u53ef\u4ee5\u5b89\u6392\u7ef4\u4fee\u3002\u4e0d\u8fc7\uff0c\u957f\u65f6\u95f4\u5ffd\u89c6\u6b64\u95ee\u9898\u53ef\u80fd\u5bfc\u81f4\u66f4\u4e25\u91cd\u7684\u53d1\u52a8\u673a\u529f\u7387\u9650\u5236\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u7ef4\u4fee\u8f66\u95f4\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9047\u5230SPN 3031\u6545\u969c\u4ee3\u7801\uff0c\u5c24\u5176\u662f\u5728\u6b27\u6d32\u67f4\u6cb9\u8f66\u4e0a\u3002\u5c31\u5728\u4e0a\u5468\uff0c\u6211\u4eec\u63a5\u5230\u4e86\u4e00\u4e2a\u5927\u4f17\u9014\u9510\u548c\u4e00\u4e2a\u5b9d\u9a6cX5\uff0c\u5b83\u4eec\u90fd\u663e\u793a\u4e86\u8be5\u6545\u969c\u7801\u3002\u4e24\u8f86\u8f66\u7684DEF\u8d28\u91cf\u4f20\u611f\u5668\u51fa\u73b0\u4e86\u9519\u8bef\u8bfb\u6570\uff0c\u5bfc\u81f4SCR\u7cfb\u7edf\u6545\u969c\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u5728\u5954\u9a70Sprinter\u9762\u5305\u8f66\u548c\u5965\u8feaQ7\u4e0a\u89c1\u8fc7\u8fd9\u4e2a\u4ee3\u7801\u3002\u8fd9\u4f3c\u4e4e\u662f\u8fd9\u4e9b\u9ad8\u7aef\u67f4\u6cb9SUV\u548c\u9762\u5305\u8f66\u7684DEF\u7cfb\u7edf\u7684\u5e38\u89c1\u95ee\u9898\u3002\u6211\u4eec\u6709\u65f6\u4f1a\u6e05\u6d01\u4f20\u611f\u5668\u5e76\u66f4\u6362DEF\u6db2\u4f53\uff0c\u4f46\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u66f4\u6362\u6574\u4e2a\u4f20\u611f\u5668\u624d\u80fd\u89e3\u51b3\u95ee\u9898\u3002\u8fd9\u867d\u7136\u662f\u4e00\u4e2a\u6602\u8d35\u7684\u7ef4\u4fee\uff0c\u4f46\u5b83\u5bf9\u6062\u590d\u8f66\u8f86\u7684\u6392\u653e\u5408\u89c4\u6027\u662f\u5fc5\u8981\u7684\u3002<\/p>\n<\/div>\n<h2 id=\"understanding-spn-3031\">\u7406\u89e3SPN 3031<\/h2>\n<p>SPN 3031\u662f\u4e0eDEF\u7cfb\u7edf\u76f8\u5173\u7684\u5236\u9020\u5546\u7279\u5b9a\u8bca\u65ad\u6545\u969c\u4ee3\u7801\u3002\u5176\u5177\u4f53\u5b9a\u4e49\u56e0\u54c1\u724c\u548c\u8f66\u578b\u800c\u5f02\uff0c\u4f46\u901a\u5e38\u6307\u5411DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u3002<\/p>\n<p>DEF\u7f50\u5185\u6709\u4e00\u4e2a\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u7528\u4e8e\u76d1\u63a7\u6db2\u4f53\u6e29\u5ea6\u5e76\u5c06\u6b64\u6570\u636e\u4f20\u9001\u7ed9\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757\uff08ECM\uff09\u3002ECM\u5229\u7528\u6b64\u6570\u636e\u6765\u8c03\u8282DEF\u6ce8\u5c04\u3001\u5242\u91cf\u548c\u52a0\u70ed\uff0c\u4ee5\u7ef4\u6301\u5408\u9002\u7684\u6392\u653e\u6027\u80fd\u3002<\/p>\n<p>\u5f53ECM\u68c0\u6d4b\u5230DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u5f02\u5e38\u4fe1\u53f7\u65f6\uff0c\u4f1a\u89e6\u53d1SPN 3031\u5e76\u4eae\u8d77\u53d1\u52a8\u673a\u6545\u969c\u706f\u3002\u5982\u679c\u6545\u969c\u6301\u7eed\u5b58\u5728\uff0c\u8f66\u8f86\u53ef\u80fd\u8fdb\u5165\u964d\u529f\u7387\u6a21\u5f0f\u3002<\/p>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>SPN 3031\u7684\u6700\u5e38\u89c1\u539f\u56e0\uff0c\u6309\u53d1\u751f\u6982\u7387\u6392\u5e8f\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7ebf\u8def\u95ee\u9898\uff08\u77ed\u8def\u3001\u5f00\u8def\u3001\u9ad8\u7535\u963b\uff09<\/li>\n<li>\u8150\u8680\u6216\u635f\u574f\u7684\u7ebf\u675f\u8fde\u63a5\u5668<\/li>\n<li>ECM\u6545\u969c\uff08\u5c11\u89c1\uff09<\/li>\n<\/ol>\n<h2 id=\"diagnosis-and-troubleshooting\">\u8bca\u65ad\u548c\u6545\u969c\u6392\u67e5<\/h2>\n<p>\u8981\u6b63\u786e\u8bca\u65adSPN 3031\uff0c\u8bf7\u6309\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n<ol>\n<li>\u8fde\u63a5\u8bca\u65ad\u626b\u63cf\u5de5\u5177\u5e76\u68c0\u67e5\u5176\u4ed6\u6545\u969c\u4ee3\u7801\u3002\u5982\u6709\u5176\u4ed6\u4ee3\u7801\uff0c\u5148\u89e3\u51b3\u8fd9\u4e9b\u4ee3\u7801\u3002<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u7535\u7ebf\u548c\u8fde\u63a5\u5668\u662f\u5426\u6709\u635f\u574f\u6216\u8150\u8680\u3002\u5fc5\u8981\u65f6\u4fee\u590d\u3002<\/li>\n<li>\u5728\u70b9\u706b\u5173\u95ed\u7684\u60c5\u51b5\u4e0b\uff0c\u62d4\u4e0b\u4f20\u611f\u5668\u5e76\u6d4b\u91cf\u5176\u7535\u963b\u3002\u572868\u00b0F\uff0820\u00b0C\uff09\u65f6\uff0c\u7535\u963b\u5e94\u7ea6\u4e3a2500\u6b27\u59c6\u3002\u8d85\u51fa\u89c4\u683c\u65f6\u66f4\u6362\u3002<\/li>\n<li>\u68c0\u67e5\u4ece\u4f20\u611f\u5668\u8fde\u63a5\u5668\u5230ECM\u7684\u7ebf\u8def\u8fde\u7eed\u6027\u548c\u7535\u963b\u3002\u4fee\u590d\u77ed\u8def\u3001\u5f00\u8def\u6216\u9ad8\u7535\u963b\u3002<\/li>\n<li>\u5982\u679c\u7ebf\u8def\u548c\u4f20\u611f\u5668\u90fd\u6b63\u5e38\uff0c\u5219\u6000\u7591ECM\u6545\u969c\u3002<\/li>\n<\/ol>\n<h2 id=\"repair-solutions-and-prevention\">\u7ef4\u4fee\u89e3\u51b3\u65b9\u6848\u548c\u9884\u9632\u63aa\u65bd<\/h2>\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u89e3\u51b3SPN 3031\u9700\u8981\u66f4\u6362DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u3002\u5728\u67d0\u4e9b\u578b\u53f7\u4e2d\uff0c\u4f20\u611f\u5668\u96c6\u6210\u5728DEF\u6cf5\/\u76d6\u7ec4\u4ef6\u4e2d\uff0c\u6574\u4e2a\u7ec4\u4ef6\u9700\u4e00\u5e76\u66f4\u6362\u3002<\/p>\n<p>\u66f4\u6362\u4f20\u611f\u5668\u7684\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u6392\u7a7aDEF\u7f50<\/li>\n<li>\u62c6\u5378DEF\u7f50<\/li>\n<li>\u62d4\u4e0b\u4f20\u611f\u5668\u7535\u8fde\u63a5\u5668<\/li>\n<li>\u4ece\u7f50\u4e2d\u65cb\u51fa\u4f20\u611f\u5668\uff08\u6216\u76d6\u7ec4\u4ef6\uff09<\/li>\n<li>\u5b89\u88c5\u65b0\u4f20\u611f\u5668\u6216\u7ec4\u4ef6<\/li>\n<li>\u91cd\u65b0\u5b89\u88c5DEF\u7f50\u5e76\u52a0\u5165\u65b0DEF\u6db2\u4f53<\/li>\n<\/ol>\n<p>\u9884\u9632\u63aa\u65bd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4fdd\u6301DEF\u7f50\u81f3\u5c111\/4\u6ee1\uff0c\u4ee5\u907f\u514d\u6db2\u4f53\u8fc7\u70ed<\/li>\n<li>\u4ec5\u4f7f\u7528\u9ad8\u8d28\u91cfAPI\u8ba4\u8bc1\u7684DEF\u6db2\u4f53<\/li>\n<li>\u5b9a\u671f\u68c0\u67e5\u7f50\u4f53\u3001\u7ba1\u7ebf\u548c\u7ec4\u4ef6\u662f\u5426\u6709\u6cc4\u6f0f\u6216\u635f\u574f<\/li>\n<\/ul>\n<h2 id=\"repair-costs\">\u7ef4\u4fee\u8d39\u7528<\/h2>\n<p>\u4fee\u590dSPN 3031\u7684\u5178\u578b\u8d39\u7528\uff1a<\/p>\n<ul>\n<li>DEF\u6e29\u5ea6\u4f20\u611f\u5668\uff1a$180-350\uff08150-300 \u20ac\uff09<\/li>\n<li>DEF\u76d6\/\u6cf5\u7ec4\u4ef6\uff1a$850-1,500\uff08725-1,275 \u20ac\uff09<\/li>\n<li>1-2\u5c0f\u65f6\u4eba\u5de5\u8d39\uff1a$100-250\uff0885-210 \u20ac\uff09<\/li>\n<\/ul>\n<p>\u5177\u4f53\u4ef7\u683c\u56e0\u8f66\u8f86\u54c1\u724c\u3001\u578b\u53f7\u548c\u5730\u533a\u800c\u5f02\u3002<\/p>\n<h2 id=\"associated-issues\">\u76f8\u5173\u95ee\u9898<\/h2>\n<p>\u4e0eSPN 3031\u4e00\u8d77\u51fa\u73b0\u7684\u5176\u4ed6\u6545\u969c\u4ee3\u7801\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/spn-1761-def-tank-temperature-sensor\/\" title=\"SPN 1761 FMI 9 - DEF\u7f50\u6db2\u4f4d\u4f20\u611f\u5668\u6545\u969c\">SPN 1761 FMI 9 &#8211; DEF\u7f50\u6db2\u4f4d\u4f20\u611f\u5668\u6545\u969c<\/a><\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/spn-3364-diesel-exhaust-fluid-def-quality\/\" title=\"SPN 3364 FMI 9 - DEF\u8d28\u91cf\u4f20\u611f\u5668\u6545\u969c\">SPN 3364 FMI 9 &#8211; DEF\u8d28\u91cf\u4f20\u611f\u5668\u6545\u969c<\/a><\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/spn-3031-aftertreatment-1-outlet-nox-sensor-heater-issues\/\" title=\"SPN 3031 FMI 4 - DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u77ed\u8def\u63a5\u5730\">SPN 3031 FMI 4 &#8211; DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u77ed\u8def\u63a5\u5730<\/a><\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u4ee3\u7801\u53ef\u80fd\u8868\u793a\u591a\u9879DEF\u7cfb\u7edf\u4f20\u611f\u5668\u7684\u7ebf\u675f\u6216\u8fde\u63a5\u5668\u95ee\u9898\u3002\u5728\u66f4\u6362\u5355\u4e2a\u7ec4\u4ef6\u4e4b\u524d\u5e94\u5168\u9762\u8bca\u65ad\u6839\u672c\u539f\u56e0\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-spn-3031\">\u5173\u4e8eSPN 3031\u7684\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3 id=\"what-does-fault-code-spn-3031-indicate-\">\u6545\u969c\u4ee3\u7801SPN 3031\u8868\u793a\u4ec0\u4e48\uff1f<\/h3>\n<p>SPN 3031\u8868\u793aDEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u51fa\u73b0\u95ee\u9898\u3002\u4f20\u611f\u5668\u6d4b\u91cf\u7f50\u4e2dDEF\u7684\u6e29\u5ea6\uff0c\u5e76\u5c06\u6b64\u4fe1\u606f\u53d1\u9001\u5230\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757\uff08ECM\uff09\u3002\u5f53ECM\u68c0\u6d4b\u5230\u6765\u81ea\u4f20\u611f\u5668\u7684\u5f02\u5e38\u4fe1\u53f7\u65f6\uff0c\u5b83\u4f1a\u89e6\u53d1SPN 3031\u6545\u969c\u4ee3\u7801\u3002<\/p>\n<h3 id=\"is-it-safe-to-keep-driving-with-an-spn-3031-code-\">\u5e26\u6709SPN 3031\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u53ef\u4ee5\u7ee7\u7eed\u9a7e\u9a76\u5417\uff1f<\/h3>\n<p>\u867d\u7136SPN 3031\u9700\u8981\u53ca\u65f6\u8bca\u65ad\u548c\u7ef4\u4fee\uff0c\u4f46\u901a\u5e38\u53ef\u4ee5\u5728\u77ed\u671f\u5185\u5c0f\u5fc3\u9a7e\u9a76\uff0c\u76f4\u5230\u5b89\u6392\u7ef4\u4fee\u3002\u7136\u800c\uff0c\u957f\u65f6\u95f4\u5ffd\u89c6\u8be5\u95ee\u9898\u53ef\u80fd\u5bfc\u81f4\u66f4\u4e25\u91cd\u7684\u95ee\u9898\uff0c\u4f8b\u5982\u53d1\u52a8\u673a\u529f\u7387\u964d\u4f4e\u6216\u505c\u673a\u3002<\/p>\n<h3 id=\"what-are-the-common-causes-of-spn-3031-\">SPN 3031\u7684\u5e38\u89c1\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>SPN 3031\u7684\u6700\u5e38\u89c1\u539f\u56e0\uff0c\u6309\u987a\u5e8f\u6392\u5217\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7ebf\u8def\u95ee\u9898\uff08\u77ed\u8def\u3001\u5f00\u8def\u3001\u9ad8\u7535\u963b\uff09<\/li>\n<li>\u8150\u8680\u6216\u635f\u574f\u7684\u7ebf\u675f\u8fde\u63a5\u5668<\/li>\n<li>\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757\uff08ECM\uff09\u6545\u969c<\/li>\n<\/ol>\n<h3 id=\"how-is-spn-3031-diagnosed-\">\u5982\u4f55\u8bca\u65adSPN 3031\uff1f<\/h3>\n<p>\u8bca\u65adSPN 3031\u7684\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u626b\u63cf\u5176\u4ed6\u6545\u969c\u4ee3\u7801\uff0c\u5e76\u5148\u89e3\u51b3\u8fd9\u4e9b\u4ee3\u7801<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u7535\u7ebf\u548c\u8fde\u63a5\u5668<\/li>\n<li>\u6d4b\u8bd5\u4f20\u611f\u5668\u7535\u963b\u5e76\u5728\u89c4\u683c\u5916\u65f6\u66f4\u6362<\/li>\n<li>\u68c0\u67e5\u4f20\u611f\u5668\u4e0eECM\u4e4b\u95f4\u7684\u7ebf\u8def\u8fde\u7eed\u6027\u548c\u7535\u963b<\/li>\n<li>\u5982\u679c\u7ebf\u8def\u548c\u4f20\u611f\u5668\u6b63\u5e38\uff0c\u5219\u6000\u7591ECM\u6545\u969c<\/li>\n<\/ol>\n<h3 id=\"what-repairs-are-needed-to-resolve-spn-3031-\">\u89e3\u51b3SPN 3031\u9700\u8981\u54ea\u4e9b\u7ef4\u4fee\uff1f<\/h3>\n<p>\u901a\u5e38\u89e3\u51b3SPN 3031\u9700\u8981\uff1a<\/p>\n<ul>\n<li>\u66f4\u6362DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\uff08\u5728\u67d0\u4e9b\u578b\u53f7\u4e0a\u53ef\u80fd\u9700\u8981\u66f4\u6362\u6574\u4e2aDEF\u6cf5\/\u76d6\u7ec4\u4ef6\uff09<\/li>\n<li>\u4fee\u590d\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u635f\u574f\u7ebf\u8def\u6216\u8fde\u63a5\u5668<\/li>\n<li>\u5c11\u89c1\u60c5\u51b5\u4e0b\uff0c\u66f4\u6362\u6545\u969c\u7684ECM<\/li>\n<\/ul>\n<h3 id=\"how-much-does-it-cost-to-fix-spn-3031-\">\u4fee\u590dSPN 3031\u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u4fee\u590dSPN 3031\u7684\u5178\u578b\u8d39\u7528\uff1a<\/p>\n<ul>\n<li>DEF\u6e29\u5ea6\u4f20\u611f\u5668\uff1a$180-350<\/li>\n<li>DEF\u6cf5\/\u76d6\u7ec4\u4ef6\uff1a$850-1,500<\/li>\n<li>1-2\u5c0f\u65f6\u4eba\u5de5\u8d39\uff1a$100-250<\/li>\n<\/ul>\n<p>\u5177\u4f53\u4ef7\u683c\u56e0\u8f66\u8f86\u54c1\u724c\u3001\u578b\u53f7\u548c\u5730\u70b9\u800c\u5f02\u3002<\/p>\n<h3 id=\"can-low-def-fluid-cause-spn-3031-\">\u4f4eDEF\u6db2\u4f53\u6db2\u4f4d\u4f1a\u5f15\u53d1SPN 3031\u5417\uff1f<\/h3>\n<p>\u4f4eDEF\u6db2\u4f4d\u672c\u8eab\u4e0d\u4f1a\u76f4\u63a5\u5bfc\u81f4SPN 3031\uff0c\u8be5\u4ee3\u7801\u6307\u793aDEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u95ee\u9898\u3002\u4f46\u6db2\u4f4d\u8fc7\u4f4e\u53ef\u80fd\u4f1a\u4f7fDEF\u8fc7\u70ed\uff0c\u8fdb\u800c\u5bfc\u81f4\u6e29\u5ea6\u4f20\u611f\u5668\u95ee\u9898\u3002\u4fdd\u6301DEF\u7f50\u81f3\u5c111\/4\u6ee1\u3002<\/p>\n<h3 id=\"will-disconnecting-the-def-tank-fix-spn-3031-\">\u65ad\u5f00DEF\u7f50\u4f1a\u89e3\u51b3SPN 3031\u5417\uff1f<\/h3>\n<p>\u4e0d\uff0c\u65ad\u5f00\u6216\u7ed5\u8fc7DEF\u7cfb\u7edf\u5e76\u4e0d\u80fd\u6b63\u786e\u89e3\u51b3SPN 3031\uff0c\u53cd\u800c\u53ef\u80fd\u4f7f\u95ee\u9898\u6076\u5316\u3002\u5fc5\u987b\u8bca\u65ad\u5e76\u4fee\u590d\u57fa\u7840\u95ee\u9898\uff0c\u5982\u6e29\u5ea6\u4f20\u611f\u5668\u6216\u7ebf\u8def\u95ee\u9898\u3002<\/p>\n<h3 id=\"what-other-symptoms-may-occur-with-spn-3031-\">SPN 3031\u53ef\u80fd\u4f34\u968f\u54ea\u4e9b\u5176\u4ed6\u75c7\u72b6\uff1f<\/h3>\n<p>\u9664\u53d1\u52a8\u673a\u6545\u969c\u706f\u5916\uff0cSPN 3031\u53ef\u80fd\u4f34\u968f\u4ee5\u4e0b\u75c7\u72b6\uff1a<\/p>\n<ul>\n<li>\u5176\u4ed6DEF\u7cfb\u7edf\u76f8\u5173\u4ee3\u7801\uff0c\u5982SPN 1761 FMI 9\uff08DEF\u6db2\u4f4d\uff09\u6216SPN 3364 FMI 9\uff08DEF\u8d28\u91cf\uff09<\/li>\n<li>DEF\u6db2\u4f4d\u8868\u4e0d\u51c6<\/li>\n<li>\u82e5\u6545\u969c\u672a\u4fee\u590d\uff0c\u53ef\u80fd\u51fa\u73b0\u53d1\u52a8\u673a\u964d\u529f\u7387\uff08\u529f\u7387\u964d\u4f4e\uff09<\/li>\n<\/ul>\n<h3 id=\"can-you-clear-spn-3031-without-fixing-it-\">\u5728\u4e0d\u4fee\u590d\u7684\u60c5\u51b5\u4e0b\u53ef\u4ee5\u6e05\u9664SPN 3031\u5417\uff1f<\/h3>\n<p>\u4e0d\u5efa\u8bae\u5728\u672a\u4fee\u590d\u6839\u672c\u539f\u56e0\u7684\u60c5\u51b5\u4e0b\u6e05\u9664SPN 3031\uff0c\u56e0\u4e3a\u4ee3\u7801\u4f1a\u4e0d\u65ad\u8fd4\u56de\uff0c\u53ef\u80fd\u4f1a\u5347\u7ea7\u5230\u53d1\u52a8\u673a\u964d\u529f\u7387\u3002\u9700\u8bca\u65ad\u5e76\u4fee\u590d\u57fa\u7840\u95ee\u9898\u624d\u80fd\u5b9e\u73b0\u957f\u671f\u89e3\u51b3\u3002<\/p>\n<h3 id=\"is-there-a-way-to-bypass-spn-3031-\">\u6709\u529e\u6cd5\u7ed5\u8fc7SPN 3031\u5417\uff1f<\/h3>\n<p>\u4e00\u4e9b\u540e\u5e02\u573a\u8bbe\u5907\u58f0\u79f0\u53ef\u4ee5\u7ed5\u8fc7SPN 3031\u7b49DEF\u7cfb\u7edf\u4ee3\u7801\uff0c\u4f46\u4e0d\u5efa\u8bae\u4f7f\u7528\u3002\u8fd9\u79cd\u505a\u6cd5\u4e0d\u4ec5\u8fdd\u6cd5\uff0c\u53ef\u80fd\u4f1a\u635f\u574fSCR\u7cfb\u7edf\uff0c\u8fd8\u4e0d\u80fd\u89e3\u51b3\u5f15\u53d1\u4ee3\u7801\u7684\u5b9e\u9645\u95ee\u9898\u3002\u8bf7\u59cb\u7ec8\u8fdb\u884c\u6b63\u786e\u7684\u8bca\u65ad\u548c\u7ef4\u4fee\u3002<\/p>\n<h3 id=\"what-does-fmi-mean-in-relation-to-spn-3031-\">FMI\u5728SPN 3031\u4e2d\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>FMI\u4ee3\u8868\u6545\u969c\u6a21\u5f0f\u8bc6\u522b\u7801\uff0c\u5b83\u662f\u4e00\u4e2a\u9644\u52a0\u4ee3\u7801\uff0c\u63d0\u4f9b\u6709\u5173\u5177\u4f53SPN\u6545\u969c\u7684\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/spn-3031-aftertreatment-1-outlet-nox-sensor-heater-issues\/\" title=\"SPN 3031 FMI 3 - \u7535\u538b\u9ad8\u4e8e\u6b63\u5e38\">SPN 3031 FMI 3 &#8211; \u7535\u538b\u9ad8\u4e8e\u6b63\u5e38<\/a><\/li>\n<li>SPN 3031 FMI 4 &#8211; \u7535\u538b\u4f4e\u4e8e\u6b63\u5e38<\/li>\n<li>SPN 3031 FMI 9 &#8211; \u66f4\u65b0\u901f\u7387\u5f02\u5e38<\/li>\n<li>SPN 3031 FMI 10 &#8211; \u53d8\u5316\u901f\u7387\u5f02\u5e38<\/li>\n<\/ul>\n<h3 id=\"what-is-the-difference-between-spn-and-pid-\">SPN\u548cPID\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>SPN\uff08\u53ef\u7591\u53c2\u6570\u53f7\uff09\u548cPID\uff08\u53c2\u6570\u8bc6\u522b\u7801\uff09\u90fd\u662f\u7528\u4e8e\u8bc6\u522b\u7279\u5b9a\u6570\u636e\u53c2\u6570\u7684\u4ee3\u7801\u3002\u5728\u6545\u969c\u4ee3\u7801\u4e2d\uff0cSPN\u662f\u4e3b\u8981\u4ee3\u7801\uff0c\u7528\u4e8e\u8bc6\u522b\u4e00\u822c\u95ee\u9898\uff0c\u800cPID\u548cFMI\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u7ec6\u8282\u3002\u4f8b\u5982\uff0cSPN 3031\u8868\u793aDEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u95ee\u9898\uff0c\u800cFMI\u5219\u8be6\u7ec6\u8bf4\u660e\u4e86\u7279\u5b9a\u95ee\u9898\u3002<\/p>\n<h3 id=\"can-bad-def-fluid-quality-trigger-spn-3031-\">\u4f4e\u52a3\u7684DEF\u6db2\u4f53\u8d28\u91cf\u4f1a\u89e6\u53d1SPN 3031\u5417\uff1f<\/h3>\n<p>\u8d28\u91cf\u5dee\u6216\u53d7\u6c61\u67d3\u7684DEF\u53ef\u80fd\u4f1a\u5bfc\u81f4SCR\u7cfb\u7edf\u95ee\u9898\uff0c\u4f46\u66f4\u53ef\u80fd\u89e6\u53d1DEF\u8d28\u91cf\u76f8\u5173\u7684\u4ee3\u7801\uff0c\u5982SPN 3364\uff0c\u800c\u4e0d\u662f\u6e29\u5ea6\u4f20\u611f\u5668\u4ee3\u7801SPN 3031\u3002\u7136\u800c\uff0c\u4e00\u4e9b\u6765\u6e90\u6307\u51fa\uff0c\u5f02\u5e38\u7684DEF\u6e29\u5ea6\u8bfb\u6570\u53ef\u80fd\u4e0e\u6db2\u4f53\u8d28\u91cf\u95ee\u9898\u6709\u5173\u3002<\/p>\n<h3 id=\"what-sensors-are-related-to-the-def-tank-\">\u4e0eDEF\u7f50\u76f8\u5173\u7684\u4f20\u611f\u5668\u6709\u54ea\u4e9b\uff1f<\/h3>\n<p>DEF\u7f50\u7684\u4e3b\u8981\u76f8\u5173\u4f20\u611f\u5668\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>DEF\u6db2\u4f4d\u4f20\u611f\u5668 &#8211; \u6d4b\u91cf\u7f50\u5185\u6db2\u4f53\u7684\u91cf<\/li>\n<li>DEF\u6e29\u5ea6\u4f20\u611f\u5668 &#8211; \u6d4b\u91cfDEF\u6db2\u4f53\u6e29\u5ea6<\/li>\n<li>DEF\u8d28\u91cf\u4f20\u611f\u5668 &#8211; \u68c0\u6d4bDEF\u6d53\u5ea6\/\u6c61\u67d3\u5f02\u5e38<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u4f20\u611f\u5668\u51fa\u73b0\u95ee\u9898\u65f6\u53ef\u80fd\u89e6\u53d1\u4ee3\u7801SPN 1761\uff08\u6db2\u4f4d\uff09\u3001SPN 3031\uff08\u6e29\u5ea6\uff09\u548cSPN 3364\uff08\u8d28\u91cf\uff09\u3002<\/p>\n<h3 id=\"can-a-bad-nox-sensor-cause-spn-3031-\">\u635f\u574f\u7684NOx\u4f20\u611f\u5668\u4f1a\u5bfc\u81f4SPN 3031\u5417\uff1f<\/h3>\n<p>NOx\u4f20\u611f\u5668\u7528\u4e8e\u6d4b\u91cfSCR\u50ac\u5316\u5242\u524d\u540e\u6392\u6c14\u4e2d\u7684\u6c2e\u6c27\u5316\u7269\u6d53\u5ea6\u3002\u8fd9\u4e9b\u4f20\u611f\u5668\u7684\u6545\u969c\u66f4\u53ef\u80fd\u89e6\u53d1NOx\u4f20\u611f\u5668\u76f8\u5173\u4ee3\u7801\uff08\u5982SPN 3216\uff09\uff0c\u800c\u4e0d\u662fDEF\u6e29\u5ea6\u4f20\u611f\u5668\u4ee3\u7801SPN 3031\u3002\u7136\u800c\uff0c\u4e5f\u53ef\u80fd\u4f1a\u51fa\u73b0\u591a\u4e2a\u6545\u969c\u4e00\u8d77\u51fa\u73b0\u7684\u60c5\u51b5\u3002<\/p>\n<h3 id=\"how-does-the-def-tank-temperature-sensor-work-\">DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u5982\u4f55\u5de5\u4f5c\uff1f<\/h3>\n<p>DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u662f\u4e00\u79cd\u70ed\u654f\u7535\u963b\uff0c\u968f\u7740DEF\u6db2\u4f53\u6e29\u5ea6\u7684\u53d8\u5316\u800c\u6539\u53d8\u7535\u963b\u3002\u5b83\u5c06\u7535\u538b\u4fe1\u53f7\u53d1\u9001\u81f3ECM\uff0c\u5bf9\u5e94\u6d4b\u91cf\u7684\u6e29\u5ea6\u3002ECM\u5229\u7528\u6b64\u8f93\u5165\u6765\u8c03\u8282DEF\u5242\u91cf\u3001\u52a0\u70ed\u5e76\u76d1\u63a7\u95ee\u9898\u3002<\/p>\n<h3 id=\"where-is-the-def-tank-temperature-sensor-located-\">DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u4f4d\u4e8e\u4f55\u5904\uff1f<\/h3>\n<p>DEF\u7f50\u6e29\u5ea6\u4f20\u611f<\/p>\n<p>\u5668\u901a\u5e38\u96c6\u6210\u5728\u5b89\u88c5\u4e8e\u7f50\u9876\u90e8\u7684DEF\u6cf5\/\u76d6\u7ec4\u4ef6\u4e2d\u3002\u7ebf\u675f\u5c06\u5176\u8fde\u63a5\u5230ECM\u3002<\/p>\n<h3 id=\"what-temperature-range-should-the-def-tank-sensor-read-\">DEF\u7f50\u4f20\u611f\u5668\u5e94\u8bfb\u5230\u7684\u6e29\u5ea6\u8303\u56f4\u662f\u591a\u5c11\uff1f<\/h3>\n<p>DEF\u7684\u6b63\u5e38\u64cd\u4f5c\u6e29\u5ea6\u8303\u56f4\u4e3a12\u00b0F\u81f386\u00b0F\uff08-11\u00b0C\u81f330\u00b0C\uff09\u3002DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u5e94\u8bfb\u53d6\u8be5\u8303\u56f4\u5185\u7684\u503c\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6761\u4ef6\u3002\u8d85\u51fa\u6b64\u8303\u56f4\u7684\u8bfb\u6570\u53ef\u80fd\u89e6\u53d1SPN 3031\u4ee3\u7801\u3002<\/p>\n<h3 id=\"how-often-should-the-def-tank-temperature-sensor-be-replaced-\">DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u5e94\u591a\u4e45\u66f4\u6362\u4e00\u6b21\uff1f<\/h3>\n<p>DEF\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u6ca1\u6709\u7279\u5b9a\u7684\u670d\u52a1\u95f4\u9694\u3002\u5982\u679c\u51fa\u73b0\u6545\u969c\u6216\u5f02\u5e38\u8bfb\u6570\u5e76\u89e6\u53d1SPN 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