{"id":20459,"date":"2014-04-09T08:15:01","date_gmt":"2014-04-09T13:15:01","guid":{"rendered":"http:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=20459"},"modified":"2014-04-09T08:15:01","modified_gmt":"2014-04-09T13:15:01","slug":"1990-chevy-k1500-5-7l","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2014\/04\/1990-chevy-k1500-5-7l","title":{"rendered":"1990 Chevy K1500 5.7l"},"content":{"rendered":"

I have several problems with my truck but I will start with one. It will no longer start. It was running poorly and, it may need a new fuel pump but at this moment, the fuel pump relay is not actuating when I turn the key on. There is no power at pins D and F in the fuel pump relay connector with the ignition on. I can cause the relay to actuate manually by applying 12V to pins D and F but it does not actuate when installed. Does that mean I need to replace the ECM…or is there another option? Thanks for any help.<\/p>\n

Jerry<\/p>\n","protected":false},"excerpt":{"rendered":"

I have several problems with my truck but I will start with one. It will no longer start. It was running poorly and, it may need a new fuel pump but at this moment, the fuel pump relay is not actuating when I turn the key on. There is no power at pins D and… Read More »1990 Chevy K1500 5.7l<\/span><\/a><\/p>\n","protected":false},"author":9699,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[1,3],"tags":[85,9568,9567,39,13],"class_list":["post-20459","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-chevy","tag-fuel-pump","tag-fuel-pump-relay","tag-k1500","tag-no-power","tag-no-start"],"yoast_head":"\n1990 Chevy K1500 5.7l - FreeAutoMechanic Advice<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2014\/04\/1990-chevy-k1500-5-7l\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1990 Chevy K1500 5.7l\" \/>\n<meta property=\"og:description\" content=\"I have several problems with my truck but I will start with one. 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It will no longer start. It was running poorly and, it may need a new fuel pump but at this moment, the fuel pump relay is not actuating when I turn the key on. 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