2005 ford focus dies in reverse and drive idles good until shifted in r/dr or when ac is turned on?
2 Answers
Those two circumstances put a higher load on the engine. You may just need a throttle body cleaning. They can get sticky and not open properly causing issues. A basic cleaning you can do. I would scan for stored codes with an obd tool. Check your transmission fluid level once engine temp is up. Good Luck!
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a remote starter wiring issue if applied , cause they are junk!