{"id":288036,"date":"2024-10-25T06:05:50","date_gmt":"2024-10-25T06:05:50","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=288036"},"modified":"2024-10-25T06:05:50","modified_gmt":"2024-10-25T06:05:50","slug":"spn-4337-aftertreatment-1-diesel-exhaust-fluid-dosing-unit-temperature","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/spn-4337-aftertreatment-1-diesel-exhaust-fluid-dosing-unit-temperature\/","title":{"rendered":"SPN 4337\uff1a\u540e\u5904\u7406 1 \u67f4\u6cb9\u6392\u6c14\u6db2\u55b7\u5c04\u5355\u5143\u6e29\u5ea6"},"content":{"rendered":"<h2 id=\"fault-code-spn-4337-what-it-means-and-how-to-fix-it\">\u6545\u969c\u4ee3\u7801 SPN 4337\uff1a\u542b\u4e49\u53ca\u4fee\u590d\u65b9\u6cd5<\/h2>\n<p>\u6545\u969c\u4ee3\u7801 SPN 4337 \u8868\u793a\u67f4\u6cb9\u6392\u6c14\u6db2\uff08DEF\uff09\u7cfb\u7edf\u51fa\u73b0\u95ee\u9898\uff0c\u7279\u522b\u662f DEF \u8ba1\u91cf\u5355\u5143\u6e29\u5ea6\u4f20\u611f\u5668\u3002\u5f53\u8be5\u4ee3\u7801\u51fa\u73b0\u65f6\uff0c\u5e94\u53ca\u65f6\u5904\u7406\u4ee5\u907f\u514d\u635f\u574f\u540e\u5904\u7406\u7cfb\u7edf\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\u4e2d\uff0c\u5e38\u89c1\u5230\u5404\u79cd\u6b27\u6d32\u5361\u8f66\u578b\u51fa\u73b0 SPN 4337 \u6545\u969c\u4ee3\u7801\u3002\u4f8b\u5982\uff0c\u5c31\u5728\u4e0a\u5468\uff0c\u4e00\u8f86\u65af\u582a\u5c3c\u4e9a R \u7cfb\u5217\u51fa\u73b0\u4e86\u8be5\u4ee3\u7801\uff0c\u7ecf\u8fc7\u68c0\u67e5\u53d1\u73b0\u662f DEF \u8ba1\u91cf\u5355\u5143\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c\u3002\u51e0\u4e2a\u6708\u524d\uff0c\u4e00\u8f86\u5954\u9a70 Actros \u4e5f\u9047\u5230\u4e86\u540c\u6837\u7684\u95ee\u9898\uff0c\u4f46\u90a3\u6b21\u662f\u7531\u4e8e DEF \u7ed3\u6676\u5835\u585e\u7ba1\u9053\u3002\u6211\u4eec\u4e5f\u5728\u6c83\u5c14\u6c83\u548c\u66fc\u5361\u8f66\u4e0a\u770b\u5230\u8fc7\u8be5\u4ee3\u7801\uff0c\u901a\u5e38\u662f\u7531\u4e8e\u7ebf\u8def\u95ee\u9898\u6216 DEF \u6cf5\u6545\u969c\u3002\u6839\u636e\u6211\u4eec\u7684\u7ecf\u9a8c\uff0cSPN 4337 \u662f\u6b27\u6d32\u5361\u8f66\u4e2d\u5e38\u89c1\u7684\u6545\u969c\uff0c\u91cd\u8981\u7684\u662f\u8981\u51c6\u786e\u8bca\u65ad\u6839\u672c\u539f\u56e0\u4ee5\u9632\u6b62\u95ee\u9898\u590d\u53d1\u3002<\/p>\n<\/div>\n<h2 id=\"urgency-and-driving-considerations\">\u7d27\u6025\u6027\u548c\u9a7e\u9a76\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>SPN 4337 \u88ab\u8ba4\u4e3a\u662f\u4e2d\u7b49\u7d27\u6025\u7684\u6545\u969c\u3002\u867d\u7136\u53ef\u80fd\u53ef\u4ee5\u77ed\u65f6\u95f4\u7ee7\u7eed\u9a7e\u9a76\uff0c\u4f46\u6700\u597d\u5c3d\u5feb\u8fdb\u884c\u6545\u969c\u8bca\u65ad\u548c\u7ef4\u4fee\u3002\u7ee7\u7eed\u5728\u6b64\u6545\u969c\u4e0b\u9a7e\u9a76\u53ef\u80fd\u4f1a\u5bfc\u81f4\u53d1\u52a8\u673a\u529f\u7387\u964d\u4f4e\u3001\u71c3\u6cb9\u6548\u7387\u4e0b\u964d\uff0c\u751a\u81f3\u635f\u574f\u6392\u653e\u63a7\u5236\u7ec4\u4ef6\u3002<\/p>\n<p>\u5982\u679c\u68c0\u67e5\u53d1\u52a8\u673a\u706f\u5728\u95ea\u70c1\uff0c\u8bf7\u7acb\u5373\u505c\u8f66\u5e76\u5c06\u8f66\u8f86\u62d6\u81f3\u7ef4\u4fee\u5730\u70b9\u3002\u5982\u679c\u68c0\u67e5\u53d1\u52a8\u673a\u706f\u6301\u7eed\u4eae\u8d77\uff0c\u5219\u53ef\u4ee5\u5c0f\u5fc3\u9a7e\u9a76\u81f3\u4fee\u7406\u5e97\uff0c\u4f46\u4e0d\u8981\u62d6\u5ef6\u68c0\u67e5\u3002<\/p>\n<h2 id=\"code-details-and-applicability\">\u4ee3\u7801\u8be6\u60c5\u53ca\u9002\u7528\u6027<\/h2>\n<p>SPN 4337 \u662f\u4e00\u4e2a\u901a\u7528\u8bca\u65ad\u6545\u969c\u4ee3\u7801\uff0c\u9002\u7528\u4e8e\u914d\u5907\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff08SCR\uff09\u7cfb\u7edf\u7684\u5404\u79cd\u67f4\u6cb9\u8f66\u8f86\u3002\u867d\u7136\u4e0d\u540c\u5236\u9020\u5546\u7684\u7ef4\u4fee\u7a0b\u5e8f\u53ef\u80fd\u7565\u6709\u4e0d\u540c\uff0c\u4f46\u4ee3\u7801\u5b9a\u4e49\u5728\u5404\u4e2a\u54c1\u724c\u4e4b\u95f4\u662f\u4e00\u81f4\u7684\u3002<\/p>\n<p>\u8be5\u4ee3\u7801\u8868\u793a DEF \u8ba1\u91cf\u5355\u5143\u6e29\u5ea6\u4f20\u611f\u5668\u51fa\u73b0\u95ee\u9898\uff0c\u8be5\u4f20\u611f\u5668\u8d1f\u8d23\u76d1\u6d4b\u55b7\u5c04\u5230\u6392\u6c14\u6d41\u4e2d\u7684 DEF \u6e29\u5ea6\u3002\u5982\u679c\u4f20\u611f\u5668\u8bfb\u6570\u8d85\u51fa\u9884\u671f\u8303\u56f4\uff0c\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757\uff08ECM\uff09\u5c06\u8bb0\u5f55\u6545\u969c\u5e76\u89e6\u53d1\u68c0\u67e5\u53d1\u52a8\u673a\u706f\u3002<\/p>\n<h2 id=\"related-components-and-their-functions\">\u76f8\u5173\u7ec4\u4ef6\u53ca\u5176\u529f\u80fd<\/h2>\n<p>\u5f53\u89e6\u53d1 SPN 4337 \u65f6\uff0c\u6d89\u53ca\u7684\u4e3b\u8981\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\n<p><strong>DEF \u8ba1\u91cf\u5355\u5143<\/strong>\uff1a\u6839\u636e\u8fd0\u884c\u6761\u4ef6\u5c06\u7cbe\u786e\u6570\u91cf\u7684 DEF \u55b7\u5165\u6392\u6c14\u4e2d\u3002\u8ba1\u91cf\u5355\u5143\u5305\u542b\u4e00\u4e2a\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u4ee5\u786e\u4fdd DEF \u5728\u6700\u4f73\u6e29\u5ea6\u4e0b\u55b7\u5c04\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DEF \u50a8\u7f50\u548c\u4f9b\u5e94\u7ba1\u9053<\/strong>\uff1a\u50a8\u5b58\u5e76\u5c06 DEF \u4ece\u50a8\u7f50\u4f20\u8f93\u5230\u8ba1\u91cf\u5355\u5143\u3002\u7ba1\u9053\u5185 DEF \u7ed3\u6676\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5835\u585e\uff0c\u4ece\u800c\u5f71\u54cd\u8ba1\u91cf\u5355\u5143\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DEF \u6e29\u5ea6\u4f20\u611f\u5668<\/strong>\uff1a\u6d4b\u91cf DEF \u5728\u8ba1\u91cf\u5355\u5143\u5185\u7684\u6e29\u5ea6\u3002\u5982\u679c\u4f20\u611f\u5668\u5931\u6548\u6216\u8bfb\u6570\u8d85\u51fa\u8303\u56f4\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8ba1\u91cf\u5355\u5143\u55b7\u5c04\u4e0d\u6b63\u786e\u7684 DEF \u91cf\u3002<\/p>\n<\/li>\n<\/ul>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>SPN 4337 \u7684\u4e00\u4e9b\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>DEF \u8ba1\u91cf\u5355\u5143\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u4f20\u611f\u5668\u548c ECM \u4e4b\u95f4\u7684\u7ebf\u8def\u95ee\u9898<\/li>\n<li>DEF \u7ed3\u6676\u5835\u585e\u8ba1\u91cf\u5355\u5143\u6216\u4f9b\u5e94\u7ba1\u9053<\/li>\n<li>\u50a8\u7f50\u5185 DEF \u4f4e\u6db2\u4f4d\u6216\u88ab\u6c61\u67d3<\/li>\n<li>DEF \u6cf5\u6216\u538b\u529b\u9650\u5236\u9600\u6545\u969c<\/li>\n<\/ol>\n<h2 id=\"diagnosis-and-troubleshooting-steps\">\u8bca\u65ad\u548c\u6545\u969c\u6392\u9664\u6b65\u9aa4<\/h2>\n<p>\u8981\u6b63\u786e\u8bca\u65ad SPN 4337\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\n<p>\u626b\u63cf\u5176\u4ed6\u6545\u969c\u4ee3\u7801\u3002SPN 4334\uff08DEF \u4f20\u8f93\u95ee\u9898\uff09\u548c SPN 4335\uff08DEF \u538b\u529b\u95ee\u9898\uff09\u901a\u5e38\u4e0e SPN 4337 \u4e00\u540c\u51fa\u73b0\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5 DEF \u6db2\u4f4d\u548c\u8d28\u91cf\u3002\u5982\u679c DEF \u6db2\u4f4d\u4f4e\u3001\u88ab\u6c61\u67d3\u6216\u7ed3\u6676\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8ba1\u91cf\u5355\u5143\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5 DEF \u50a8\u7f50\u3001\u6cf5\u548c\u4f9b\u5e94\u7ba1\u9053\u662f\u5426\u6709\u6cc4\u6f0f\u3001\u5835\u585e\u6216\u7ed3\u6676\u73b0\u8c61\u3002\u5fc5\u8981\u65f6\u6e05\u6d01\u6216\u66f4\u6362\u7ec4\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u4e07\u7528\u8868\u6d4b\u8bd5 DEF \u8ba1\u91cf\u5355\u5143\u6e29\u5ea6\u4f20\u611f\u5668\u3002\u5728\u5ba4\u6e29\uff0820\u00b0C\/68\u00b0F\uff09\u4e0b\uff0c\u4f20\u611f\u5668\u5e94\u8bfb\u53d6\u7ea6 2.5 k\u03a9\u3002\u5982\u679c\u8bfb\u6570\u4e0d\u7b26\u5408\u89c4\u8303\uff0c\u5219\u5e94\u66f4\u6362\u4f20\u611f\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5\u4f20\u611f\u5668\u4e0e ECM \u4e4b\u95f4\u7684\u7ebf\u8def\u548c\u8fde\u63a5\u5668\u662f\u5426\u6709\u635f\u574f\u3001\u677e\u52a8\u6216\u8150\u8680\u3002\u5fc5\u8981\u65f6\u4fee\u590d\u7ebf\u8def\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u4f20\u611f\u5668\u548c\u7ebf\u8def\u72b6\u51b5\u826f\u597d\uff0c\u53ef\u80fd\u662f DEF \u8ba1\u91cf\u5355\u5143\u672c\u8eab\u51fa\u73b0\u6545\u969c\uff0c\u9700\u66f4\u6362\u3002<\/p>\n<\/li>\n<\/ol>\n<h2 id=\"repair-costs-and-prevention\">\u7ef4\u4fee\u8d39\u7528\u53ca\u9884\u9632<\/h2>\n<p>\u8bca\u65ad\u548c\u4fee\u590d SPN 4337 \u6545\u969c\u7684\u8d39\u7528\u53ef\u80fd\u56e0\u6545\u969c\u539f\u56e0\u548c\u5177\u4f53\u8f66\u8f86\u800c\u5f02\u3002\u901a\u5e38\uff0c\u8bca\u65ad\u8d39\u7528\u7ea6\u4e3a 100-200 \u7f8e\u5143\uff0885-170 \u6b27\u5143\uff09\uff0c\u66f4\u6362 DEF \u8ba1\u91cf\u5355\u5143\u6216\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u96f6\u4ef6\u548c\u4eba\u5de5\u8d39\u7528\u7ea6\u4e3a 300-800 \u7f8e\u5143\uff08255-680 \u6b27\u5143\uff09\u3002<\/p>\n<p>\u4e3a\u9632\u6b62 DEF \u7cfb\u7edf\u95ee\u9898\u5e76\u907f\u514d SPN 4337\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u4fdd\u6301\u9002\u5f53\u7684 DEF \u6db2\u4f4d\uff0c\u5e76\u4ec5\u4f7f\u7528\u7b26\u5408 ISO 22241 \u6807\u51c6\u7684\u9ad8\u8d28\u91cf DEF<\/li>\n<li>\u53ca\u65f6\u5904\u7406\u4e0e DEF \u76f8\u5173\u7684\u6545\u969c\u4ee3\u7801\uff0c\u4ee5\u9632\u7ec4\u4ef6\u53d7\u635f<\/li>\n<li>\u4fdd\u6301 DEF \u50a8\u7f50\u548c\u4f9b\u5e94\u7ba1\u9053\u6e05\u6d01\uff0c\u65e0\u6c61\u67d3<\/li>\n<li>\u5b9a\u671f\u68c0\u67e5 DEF \u7cfb\u7edf\u662f\u5426\u6709\u6cc4\u6f0f\u6216\u7ed3\u6676\u73b0\u8c61<\/li>\n<\/ul>\n<p>\u4e86\u89e3 SPN 4337 \u6545\u969c\u4ee3\u7801\u5e76\u91c7\u53d6\u4e3b\u52a8\u63aa\u65bd\u7ef4\u62a4\u8f66\u8f86\u7684 DEF \u7cfb\u7edf\uff0c\u53ef\u4ee5\u964d\u4f4e\u7ef4\u4fee\u6210\u672c\u5e76\u4fdd\u6301\u67f4\u6cb9\u53d1\u52a8\u673a\u9ad8\u6548\u8fd0\u884c\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-fault-code-spn-4337\">\u5173\u4e8e\u6545\u969c\u4ee3\u7801 SPN 4337 \u7684\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3 id=\"what-does-fault-code-spn-4337-mean-\">SPN 4337 \u6545\u969c\u4ee3\u7801\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>SPN 4337 \u6545\u969c\u4ee3\u7801\u8868\u793a\u67f4\u6cb9\u6392\u6c14\u6db2\uff08DEF\uff09\u7cfb\u7edf\u51fa\u73b0\u95ee\u9898\uff0c\u7279\u522b\u662f DEF \u8ba1\u91cf\u5355\u5143\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u7684\u95ee\u9898\u3002\u8be5\u4f20\u611f\u5668\u76d1\u6d4b\u55b7\u5c04\u5230\u6392\u6c14\u6d41\u4e2d\u7684 DEF \u6e29\u5ea6\u3002<\/p>\n<h3 id=\"how-urgent-is-it-to-address-spn-4337-\">\u5904\u7406 SPN 4337 \u6709\u591a\u7d27\u6025\uff1f<\/h3>\n<p>SPN 4337 \u662f\u4e2d\u7b49\u7d27\u6025\u7684\u6545\u969c\u3002\u867d\u7136\u53ef\u80fd\u53ef\u4ee5\u77ed\u8ddd\u79bb\u884c\u9a76\uff0c\u4f46\u6700\u597d\u53ca\u65f6\u8bca\u65ad\u5e76\u4fee\u590d\u6b64\u95ee\u9898\uff0c\u4ee5\u514d\u635f\u574f\u6392\u653e\u63a7\u5236\u7ec4\u4ef6\uff0c\u5e76\u9632\u6b62\u53d1\u52a8\u673a\u8fdb\u5165\u964d\u529f\u7387\u6a21\u5f0f\u3002<\/p>\n<h3 id=\"what-are-the-probable-causes-of-spn-4337-\">SPN 4337 \u7684\u53ef\u80fd\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>SPN 4337 \u7684\u6700\u53ef\u80fd\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>DEF \u8ba1\u91cf\u5355\u5143\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u7ebf\u8def\u6216\u8fde\u63a5\u5668\u95ee\u9898<\/li>\n<li>DEF \u7ed3\u6676\u5835\u585e\u8ba1\u91cf\u5355\u5143<\/li>\n<\/ol>\n<h3 id=\"can-spn-4337-be-caused-by-low-def-levels-\">SPN 4337 \u4f1a\u56e0\u4e3a DEF \u6db2\u4f4d\u4f4e\u800c\u89e6\u53d1\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u4f4e\u6db2\u4f4d\u6216\u88ab\u6c61\u67d3\u7684 DEF \u4f1a\u5bfc\u81f4\u7ed3\u6676\uff0c\u4ece\u800c\u5835\u585e\u8ba1\u91cf\u5355\u5143\u5e76\u89e6\u53d1 SPN 4337\u3002\u59cb\u7ec8\u4fdd\u6301\u9002\u5f53\u7684 DEF \u6db2\u4f4d\uff0c\u5e76\u4f7f\u7528\u7b26\u5408 ISO 22241 \u6807\u51c6\u7684\u9ad8\u8d28\u91cf\u6db2\u4f53\u3002<\/p>\n<h3 id=\"what-other-components-are-involved-when-diagnosing-spn-4337-\">\u8bca\u65ad SPN 4337 \u65f6\u6d89\u53ca\u54ea\u4e9b\u5176\u4ed6\u7ec4\u4ef6\uff1f<\/h3>\n<p>\u9664\u4e86 DEF \u8ba1\u91cf\u5355\u5143\u548c\u6e29\u5ea6\u4f20\u611f\u5668\u5916\uff0c\u5176\u4ed6\u76f8\u5173\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>DEF \u50a8\u7f50\u3001\u6cf5\u548c\u4f9b\u5e94\u7ba1\u9053<\/li>\n<li>\u538b\u529b\u9650\u5236\u9600<\/li>\n<li>\u4f20\u611f\u5668\u548c\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757\uff08ECM\uff09\u4e4b\u95f4\u7684\u7ebf\u8def<\/li>\n<\/ul>\n<h3 id=\"are-there-any-other-fault-codes-that-often-appear-with-spn-4337-\">SPN 4337 \u901a\u5e38\u4e0e\u54ea\u4e9b\u5176\u4ed6\u6545\u969c\u4ee3\u7801\u4e00\u540c\u51fa\u73b0\uff1f<\/h3>\n<p><a href=\"https:\/\/www.ziptuning.com\/blog\/spn-4334-aftertreatment-1-diesel-exhaust-fluid-pump-motor-speed\/\" title=\"SPN 4334\">SPN 4334\uff08DEF \u4f20\u8f93\u95ee\u9898\uff09<\/a> \u548c SPN 4335\uff08DEF \u538b\u529b\u95ee\u9898\uff09\u901a\u5e38\u4e0e SPN 4337 \u4e00\u540c\u51fa\u73b0\u3002\u89e3\u51b3\u8fd9\u4e9b\u76f8\u5173\u6545\u969c\u662f\u6b63\u786e\u8bca\u65ad\u548c\u4fee\u590d\u6839\u672c\u539f\u56e0\u7684\u5173\u952e\u3002<\/p>\n<h3 id=\"what-are-the-typical-enabling-conditions-for-spn-4337-\">SPN 4337 \u7684\u5178\u578b\u89e6\u53d1\u6761\u4ef6\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5f53 DEF \u6e29\u5ea6\u4f20\u611f\u5668\u4fe1\u53f7\u4f4e\u4e8e\u9884\u671f\u8303\u56f4\u65f6\u4f1a\u89e6\u53d1 SPN 4337\uff0c\u8868\u793a\u7535\u8def\u6545\u969c\u6216\u4f20\u611f\u5668\u672c\u8eab\u8bfb\u6570\u8fc7\u4f4e\u3002<\/p>\n<h3 id=\"how-do-you-troubleshoot-spn-4337-\">\u5982\u4f55\u6392\u67e5 SPN 4337\uff1f<\/h3>\n<p>\u8bca\u65ad SPN 4337 \u7684\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u626b\u63cf\u5176\u4ed6\u4ee3\u7801\uff0c\u5982 SPN 4334\/4335<\/li>\n<li>\u68c0\u67e5 DEF \u6db2\u4f4d\u548c\u8d28\u91cf<\/li>\n<li>\u68c0\u67e5 DEF \u7cfb\u7edf\u662f\u5426\u6709\u6cc4\u6f0f\u6216\u7ed3\u6676<\/li>\n<li>\u6d4b\u8bd5\u6e29\u5ea6\u4f20\u611f\u5668\u548c\u7ebf\u8def<\/li>\n<li>\u5fc5\u8981\u65f6\u66f4\u6362\u6545\u969c\u7ec4\u4ef6<\/li>\n<\/ol>\n<h3 id=\"what-tools-are-needed-to-diagnose-spn-4337-\">\u8bca\u65ad SPN 4337 \u9700\u8981\u54ea\u4e9b\u5de5\u5177\uff1f<\/h3>\n<p>\u8bca\u65ad SPN 4337 \u9700\u8981\uff1a<\/p>\n<ul>\n<li>\u8bfb\u53d6\u6545\u969c\u4ee3\u7801\u7684\u8bca\u65ad\u626b\u63cf\u5de5\u5177<\/li>\n<li>\u7528\u4e8e\u6d4b\u8bd5\u6e29\u5ea6\u4f20\u611f\u5668\u548c\u7ebf\u8def\u7684\u6570\u5b57\u4e07\u7528\u8868<\/li>\n<li>\u7528\u4e8e\u62c6\u5378\u548c\u68c0\u67e5 DEF \u7cfb\u7edf\u7ec4\u4ef6\u7684\u57fa\u672c\u624b\u52a8\u5de5\u5177<\/li>\n<\/ul>\n<h3 id=\"how-do-you-test-the-def-metering-unit-temperature-sensor-\">\u5982\u4f55\u6d4b\u8bd5 DEF \u8ba1\u91cf\u5355\u5143\u6e29\u5ea6\u4f20\u611f\u5668\uff1f<\/h3>\n<p>\u4f7f\u7528\u4e07\u7528\u8868\u5728\u5ba4\u6e29\uff0820\u00b0C\/68\u00b0F\uff09\u4e0b\u68c0\u67e5\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u7535\u963b\u3002\u5e94\u8bfb\u53d6\u7ea6 2.5 k\u03a9\u3002\u663e\u8457\u8d85\u51fa\u6b64\u8303\u56f4\u7684\u8bfb\u6570\u8868\u660e\u4f20\u611f\u5668\u6545\u969c\uff0c\u9700\u8981\u66f4\u6362\u3002<\/p>\n<h3 id=\"what-is-the-typical-repair-cost-for-spn-4337-\">SPN 4337 \u7684\u5178\u578b\u7ef4\u4fee\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u8bca\u65ad\u548c\u4fee\u590d SPN 4337 \u7684\u8d39\u7528\u56e0\u6839\u672c\u539f\u56e0\u800c\u5f02\uff0c\u4f46\u901a\u5e38\u8bca\u65ad\u8d39\u7528\u4e3a 100-200 \u7f8e\u5143\uff0885-170 \u6b27\u5143\uff09\uff0c\u66f4\u6362 DEF \u8ba1\u91cf\u5355\u5143\u6216\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u96f6\u4ef6\u548c\u4eba\u5de5\u8d39\u7528\u4e3a 300-800 \u7f8e\u5143\uff08255-680 \u6b27\u5143\uff09\u3002<\/p>\n<h3 id=\"can-spn-4337-cause-the-engine-to-shut-down-\">SPN 4337 \u4f1a\u5bfc\u81f4\u53d1\u52a8\u673a\u7184\u706b\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u5982\u679c\u4e0d\u53ca\u65f6\u5904\u7406 SPN 4337\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u53d1\u52a8\u673a\u964d\u529f\u7387\u5e76\u6700\u7ec8\u7184\u706b\uff0c\u4ee5\u4fdd\u62a4\u540e\u5904\u7406\u7cfb\u7edf\u514d\u53d7 DEF \u55b7\u5c04\u4e0d\u5f53\u9020\u6210\u7684\u635f\u574f\u3002<\/p>\n<h3 id=\"how-can-i-prevent-spn-4337-from-occurring-\">\u5982\u4f55\u9632\u6b62 SPN 4337 \u7684\u53d1\u751f\uff1f<\/h3>\n<p>\u4e3a\u907f\u514d SPN 4337 \u53ca\u76f8\u5173 DEF \u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\u4fdd\u6301\u9002\u5f53\u7684 DEF \u6db2\u4f4d\u5e76\u4f7f\u7528\u9ad8\u8d28\u91cf\u6db2\u4f53<\/li>\n<li>\u53ca\u65f6\u5904\u7406\u4e0e DEF \u76f8\u5173\u7684\u6545\u969c\u4ee3\u7801<\/li>\n<li>\u4fdd\u6301 DEF \u7cfb\u7edf\u6e05\u6d01\u65e0\u6c61\u67d3<\/li>\n<li>\u5b9a\u671f\u68c0\u67e5\u662f\u5426\u6709\u6cc4\u6f0f\u6216\u7ed3\u6676<\/li>\n<\/ul>\n<h3 id=\"what-is-the-difference-between-spn-4337-fmi-3-and-fmi-4-\">SPN 4337 FMI 3 \u548c FMI 4 \u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>SPN 4337 FMI 3 \u8868\u793a DEF \u8ba1\u91cf\u5355\u5143\u6e29\u5ea6\u4f20\u611f\u5668\u6f02\u79fb\uff0c\u4f20\u611f\u5668\u8bfb\u6570\u8d85\u51fa\u9884\u671f\u8303\u56f4\u3002FMI 4 \u8868\u793a\u4f20\u611f\u5668\u7535\u8def\u6545\u969c\uff0c\u901a\u5e38\u662f\u7531\u4e8e\u7ebf\u8def\u95ee\u9898\u6216\u4f20\u611f\u5668\u6545\u969c\u3002<\/p>\n<h3 id=\"can-cold-weather-cause-spn-4337-\">\u5bd2\u51b7\u5929\u6c14\u4f1a\u5bfc\u81f4 SPN 4337 \u5417\uff1f<\/h3>\n<p>\u6781\u4f4e\u7684\u6e29\u5ea6\u53ef\u80fd\u4f1a\u5bfc\u81f4 DEF \u7ed3\u6676\u5e76\u5835\u585e\u8ba1\u91cf\u5355\u5143\uff0c\u53ef\u80fd\u89e6\u53d1 SPN 4337\u3002\u4e0d\u8fc7\uff0c\u5927\u591a\u6570\u73b0\u4ee3 DEF \u7cfb\u7edf\u8bbe\u8ba1\u53ef\u4ee5\u5e94\u5bf9\u5bd2\u51b7\u5929\u6c14\uff0c\u5e76\u9632\u6b62\u5728 -11\u00b0C\uff0812\u00b0F\uff09\u4ee5\u4e0b\u51bb\u7ed3\u3002<\/p>\n<h3 id=\"will-adding-anti-gel-to-my-def-tank-prevent-spn-4337-\">\u5728\u6211\u7684 DEF \u50a8\u7f50\u4e2d\u6dfb\u52a0\u6297\u51dd\u5242\u80fd\u9632\u6b62 SPN 4337 \u5417\uff1f<\/h3>\n<p>\u4e0d\uff0c\u5207\u52ff\u5411 DEF \u50a8\u7f50\u4e2d\u6dfb\u52a0\u4efb\u4f55\u6dfb\u52a0\u5242\u6216\u6297\u51dd\u5242\u3002\u8fd9\u6837\u4f1a\u6c61\u67d3\u6db2\u4f53\u5e76\u5f15\u53d1\u7c7b\u4f3c SPN 4337 \u7684\u95ee\u9898\u3002\u8bf7\u4ec5\u4f7f\u7528\u7b26\u5408 ISO 22241 \u6807\u51c6\u7684\u7eaf\u51c0\u9ad8\u8d28\u91cf DEF\u3002<\/p>\n<h3 id=\"is-spn-4337-specific-to-certain-engine-makes-and-models-\">SPN 4337 \u4ec5\u9488\u5bf9\u7279\u5b9a\u53d1\u52a8\u673a\u54c1\u724c\u548c\u578b\u53f7\u5417\uff1f<\/h3>\n<p>\u4e0d\uff0cSPN 4337 \u662f\u4e00\u4e2a\u901a\u7528\u6545\u969c\u4ee3\u7801\uff0c\u53ef\u51fa\u73b0\u5728\u914d\u5907\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff08SCR\uff09\u7cfb\u7edf\u7684\u5404\u79cd\u67f4\u6cb9\u53d1\u52a8\u673a\u4e0a\u3002\u5177\u4f53\u7684\u6545\u969c\u6392\u67e5\u548c\u7ef4\u4fee\u6d41\u7a0b\u53ef\u80fd\u56e0\u5236\u9020\u5546\u7565\u6709\u4e0d\u540c\u3002<\/p>\n<h3 id=\"how-often-should-i-check-my-def-system-to-prevent-issues-like-spn-4337-\">\u6211\u5e94\u8be5\u591a\u4e45\u68c0\u67e5\u4e00\u6b21 DEF \u7cfb\u7edf\u4ee5\u9632\u6b62\u7c7b\u4f3c SPN 4337 \u7684\u95ee\u9898\uff1f<\/h3>\n<p>\u5728\u6bcf\u6b21\u66f4\u6362\u673a\u6cb9\u6216\u6bcf\u884c\u9a76 5,000 \u82f1\u91cc\uff088,000 \u516c\u91cc\uff09\u65f6\u68c0\u67e5 DEF \u7cfb\u7edf\uff0c\u5305\u62ec\u50a8\u7f50\u3001\u6cf5\u3001\u7ba1\u9053\u548c\u4f20\u611f\u5668\u3002\u53ca\u65f6\u5904\u7406\u6cc4\u6f0f\u3001\u6c61\u67d3\u6216\u6545\u969c\u4ee3\u7801\uff0c\u4ee5\u907f\u514d\u66f4\u4e25\u91cd\u7684\u95ee\u9898\u3002<\/p>\n<h3 id=\"can-i-drive-my-vehicle-with-spn-4337-active-\">SPN 4337 \u6fc0\u6d3b\u65f6\u6211\u53ef\u4ee5\u9a7e\u9a76\u8f66\u8f86\u5417\uff1f<\/h3>\n<p>\u6700\u597d\u4e0d\u8981\u5728 SPN 4337 \u6fc0\u6d3b\u65f6\u9a7e\u9a76\uff0c\u56e0\u4e3a\u53ef\u80fd\u5bfc\u81f4\u53d1\u52a8\u673a\u964d\u529f\u7387\u3001\u6392\u653e\u589e\u52a0\u4ee5\u53ca\u635f\u574f\u540e\u5904\u7406\u7cfb\u7edf\u3002\u5982\u679c\u68c0\u67e5\u53d1\u52a8\u673a\u706f\u5728\u95ea\u70c1\uff0c\u8bf7\u7acb\u5373\u505c\u8f66\u5e76\u62d6\u8f66\u8fdb\u884c\u8bca\u65ad\u548c\u7ef4\u4fee\u3002<\/p>\n<h3 id=\"what-should-i-do-if-spn-4337-keeps-coming-back-after-repairs-\">\u5982\u679c SPN 4337 \u5728\u7ef4\u4fee\u540e\u4ecd\u6301\u7eed\u51fa\u73b0\u600e\u4e48\u529e\uff1f<\/h3>\n<p>\u5982\u679c SPN 4337 \u5728\u521d\u6b21\u7ef4\u4fee\u540e\u91cd\u65b0\u51fa\u73b0\uff0c\u53ef\u80fd\u5b58\u5728\u672a\u89e3\u51b3\u7684\u6839\u672c\u95ee\u9898\uff0c\u4f8b\u5982 DEF \u6c61\u67d3\u3001\u7ec4\u4ef6\u6cc4\u6f0f\u6216\u7ebf\u8def\u95ee\u9898\u3002\u8bf7\u8fdb\u884c\u5f7b\u5e95\u7684\u8bca\u65ad\uff0c\u5e76\u54a8\u8be2\u719f\u6089\u6392\u653e\u7cfb\u7edf\u7684\u5408\u683c\u6280\u672f\u4eba\u5458\u4ee5\u627e\u51fa\u5e76\u89e3\u51b3\u6839\u672c\u539f\u56e0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6545\u969c\u4ee3\u7801 SPN 4337\uff1a\u542b\u4e49\u53ca\u4fee\u590d\u65b9\u6cd5 \u6545\u969c\u4ee3\u7801 SPN 4337 \u8868\u793a\u67f4\u6cb9\u6392\u6c14\u6db2\uff08DEF\uff09\u7cfb\u7edf\u51fa\u73b0\u95ee\u9898\uff0c<\/p>\n","protected":false},"author":13,"featured_media":288039,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-288036","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/288036","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/comments?post=288036"}],"version-history":[{"count":2,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/288036\/revisions"}],"predecessor-version":[{"id":288043,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/posts\/288036\/revisions\/288043"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/media\/288039"}],"wp:attachment":[{"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/media?parent=288036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/categories?post=288036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ziptuning.com\/zh\/wp-json\/wp\/v2\/tags?post=288036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}