{"id":11694,"date":"2019-06-27T11:46:48","date_gmt":"2019-06-27T15:46:48","guid":{"rendered":"https:\/\/techlink.mynetworkcontent.com\/?p=11694"},"modified":"2019-06-27T12:38:16","modified_gmt":"2019-06-27T16:38:16","slug":"broken-spark-plug-center-isolator","status":"publish","type":"post","link":"https:\/\/gm-techlink.com\/?p=11694","title":{"rendered":"Broken Spark Plug Center Isolator"},"content":{"rendered":"<p>An engine misfire condition and DTC P0300 (Engine Misfire Detected) may be found on some 2016-2019 Cruze models with the 1.4L engine (RPO LE2); 2016-2019 Malibu models with the 1.5L engine (RPO LFV); 2016-2019 Spark models with the 1.4L engine (RPO LV7); 2016-2019 Volt models with the 1.5L engine (RPO L3A); and 2018-2019 Equinox and Terrain models with the 1.5L engine (RPO LYX).<\/p>\n<p>If there is an engine misfire or engine misfire-related DTC set, remove the spark plugs from the engine and inspect for a broken center insulator by inverting the spark plug. Once the spark plug has been inverted, if the center insulator is broken, it will slide down the center electrode. (Fig. 27)<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><strong><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-11695\" src=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2019\/06\/F27-plug-1-1.jpg\" alt=\"\" width=\"740\" height=\"480\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/06\/F27-plug-1-1.jpg 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/06\/F27-plug-1-1-300x195.jpg 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/06\/F27-plug-1-1-85x55.jpg 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2019\/06\/F27-plug-1-1-200x130.jpg 200w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/>Fig. 27<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>If center insulator is broken, replace all four spark plugs. Clear any DTCs and evaluate engine performance.<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><em>&#8211; Thanks to Robert Halas<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An engine misfire condition and DTC P0300 (Engine Misfire Detected) may be found on some 2016-2019 Cruze models with the 1.4L engine (RPO LE2); 2016-2019 Malibu models with the 1.5L [&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-11694","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/11694","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=11694"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/11694\/revisions"}],"predecessor-version":[{"id":11696,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=\/wp\/v2\/posts\/11694\/revisions\/11696"}],"wp:attachment":[{"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlink.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}