{"id":35940,"date":"2016-08-24T14:17:50","date_gmt":"2016-08-24T19:17:50","guid":{"rendered":"http:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=35940"},"modified":"2016-08-24T14:17:50","modified_gmt":"2016-08-24T19:17:50","slug":"ac-lowers-engine-rpm-2003-ford-windstar","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/08\/ac-lowers-engine-rpm-2003-ford-windstar","title":{"rendered":"AC Lowers Engine RPM 2003 Ford Windstar"},"content":{"rendered":"

\"2003Engine lopes and rpm drops down to 3-400, warning lights sometimes flash. If I turn off A\/C the engine will go to approx. 700 rpm and run fine.
\nAs soon as I turn on A\/C, it does it again. Runs great on highway.<\/p>\n

\n

RESPONSE<\/p>\n

I see a couple of different possibilities why the AC Lowers Engine RPM.<\/p>\n

    \n
  1. Could be an engine misfire. This means the engine isn’t running quite right on all cylinders. And when the added stress of running the Air Conditioning<\/a> comes into play it causes the engines rpms to drop. This would also explain the check engine light flashing. Have the check engine light trouble codes<\/a> pulled and post the codes below for further information.<\/li>\n
  2. The Air Conditioning system have been overcharged and the engine is having trouble turning the compressor.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    Engine lopes and rpm drops down to 3-400, warning lights sometimes flash. If I turn off A\/C the engine will go to approx. 700 rpm and run fine. As soon as I turn on A\/C, it does it again. Runs great on highway. RESPONSE I see a couple of different possibilities why the AC Lowers… Read More »AC Lowers Engine RPM 2003 Ford Windstar<\/span><\/a><\/p>\n","protected":false},"author":13867,"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":[9322,10875,10874,7537],"class_list":["post-35940","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-ford","tag-ac","tag-ac-lowers-engine-rpm","tag-engine-lopes","tag-windstar"],"yoast_head":"\nAC Lowers Engine RPM 2003 Ford Windstar - FreeAutoMechanic Advice<\/title>\n<meta name=\"description\" content=\"Engine lopes and rpm drops down to 3-400, warning lights sometimes flash. 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