IAC(Idle Air Control)<\/a> valve sticking or a vacuum leak. If there is a vacuum leak the IAC will still try to hunt for the correct idle speed but has difficulty. The difficulty if from the vacuum leak. The most common place for a vacuum leak on your engine would be the PCV valve hose. Listen for a slight whistle noise.<\/p>\n","protected":false},"excerpt":{"rendered":"Idle is up and down. Car stalling when not giving it gas and stalls when at stop signs\/lights. RESPONSE Stalling with Idle Up and Down This is an indication of an IAC(Idle Air Control) valve sticking or a vacuum leak. If there is a vacuum leak the IAC will still try to hunt for the… Read More »Stalling 1992 Ford Crown Victoria<\/span><\/a><\/p>\n","protected":false},"author":14231,"featured_media":0,"comment_status":"open","ping_status":"open","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":[1,5],"tags":[9495,9494,11239,11238],"class_list":["post-38022","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-ford","tag-crown-vic","tag-crown-victoria","tag-idle-is-up-and-down","tag-idle-up-and-down"],"yoast_head":"\nStalling 1992 Ford Crown Victoria - FreeAutoMechanic Advice<\/title>\n<meta name=\"description\" content=\"Idle is up and down. 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![\"1992](\"\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/12\/1992-ford-crown-victoria.jpg\")
Idle is up and down. Car stalling when not giving it gas and stalls when at stop signs\/lights.<\/p>\n