IAC Valve. <\/strong><\/a> Generally this will occur without any codes or illumination of the check engine light.<\/p>\n","protected":false},"excerpt":{"rendered":"In the morning vehicle is hard start You can touch the throttle and it will start up but if you release the throttle it will die after is warmed up real good will continue to run. In my experience this would indicate a failed or sticking IAC Valve. Generally this will occur without any codes… Read More »1988 postal vehicle 2.5l motor<\/span><\/a><\/p>\n","protected":false},"author":13093,"featured_media":81498,"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],"tags":[],"class_list":["post-32728","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-auto-repair-questions"],"yoast_head":"\n1988 postal vehicle 2.5l motor - 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\/2024\/04\/1988-postal-vehicle-2-5l-motor\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1988 postal vehicle 2.5l motor\" \/>\n<meta property=\"og:description\" content=\"In the morning vehicle is hard start You can touch the throttle and it will start up but if you release the throttle it will die after is warmed up real good will continue to run. 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