{"id":14070,"date":"2020-12-10T17:20:05","date_gmt":"2020-12-10T22:20:05","guid":{"rendered":"https:\/\/gm-techlink.com\/?p=14070"},"modified":"2020-12-10T17:20:05","modified_gmt":"2020-12-10T22:20:05","slug":"damaged-fuel-pressure-sensor-connector","status":"publish","type":"post","link":"https:\/\/gm-techlink.com\/?p=14070","title":{"rendered":"Damaged Fuel Pressure Sensor Connector"},"content":{"rendered":"<p class=\"p1\"><span class=\"s1\">A number of fuel-related DTCs may be set on some 2017-2018 Silverado, Sierra; 2019-2021 Silverado 2500HD\/3500HD, Sierra 2500HD\/3500HD, and Silverado 4500HD\/5500HD\/6500HD models equipped with the 6.6L Duramax diesel engine (RPO L5P, L5D). DTCs set in the Engine Control Module (ECM) may include P0087, P0089, P0191, P026C, P026D, P1089, P163A, P163B, P2293, P228A, P228B, P228C, and\/or P228D. The Check Engine MIL also may be illuminated.<\/span><\/p>\n<p class=\"p1\"><span class=\"s1\">These conditions may be caused by corrosion or damage at the fuel pressure sensor electrical connector. (Fig. 30) Inspect the connector for any damage. It may be necessary to use the terminal test kit with dielectric grease on it to drag each terminal a few times.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p class=\"p1\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14113\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F30-fuel-1.png\" alt=\"\" width=\"1228\" height=\"796\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F30-fuel-1.png 1228w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F30-fuel-1-300x194.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F30-fuel-1-1024x664.png 1024w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F30-fuel-1-768x498.png 768w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F30-fuel-1-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F30-fuel-1-200x130.png 200w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F30-fuel-1-780x506.png 780w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F30-fuel-1-1160x752.png 1160w\" sizes=\"auto, (max-width: 1228px) 100vw, 1228px\" \/><span class=\"s1\"><b>Fig. 30<\/b><\/span><\/p>\n<p>&nbsp;<\/p>\n<p class=\"p1\"><span class=\"s1\">If a terminal is suspect, remove the terminal and inspect for any corrosion, damage or signs of the dielectric grease starting to turn black. (Fig. 31)<\/span><\/p>\n<p class=\"p1\"><span class=\"s1\">If any of these conditions are found, replace the electrical connector.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p class=\"p1\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14114\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F31-fuel-2.png\" alt=\"\" width=\"1044\" height=\"677\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F31-fuel-2.png 1044w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F31-fuel-2-300x195.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F31-fuel-2-1024x664.png 1024w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F31-fuel-2-768x498.png 768w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F31-fuel-2-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F31-fuel-2-200x130.png 200w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/12\/F31-fuel-2-780x506.png 780w\" sizes=\"auto, (max-width: 1044px) 100vw, 1044px\" \/><span class=\"s1\"><b>Fig. 31<\/b><\/span><\/p>\n<p>&nbsp;<\/p>\n<p class=\"p1\"><span class=\"s1\">Refer to Bulletin #20-NA-197 for additional information and part numbers.<\/span><\/p>\n<p class=\"p1\"><span class=\"s1\"><i>&#8211; Thanks to Larry Yaw<\/i><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A number of fuel-related DTCs may be set on some 2017-2018 Silverado, Sierra; 2019-2021 Silverado 2500HD\/3500HD, Sierra 2500HD\/3500HD, and Silverado 4500HD\/5500HD\/6500HD models equipped with the 6.6L Duramax diesel engine (RPO [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14070","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/14070","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14070"}],"version-history":[{"count":2,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/14070\/revisions"}],"predecessor-version":[{"id":14118,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/14070\/revisions\/14118"}],"wp:attachment":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}