threepointone Posted February 10, 2011 Report Posted February 10, 2011 1st gen w 3.1 its doing high idle in park and neutral F and R seems to be normal any idea whats going on with this problem Quote
threepointone Posted February 10, 2011 Author Report Posted February 10, 2011 i tried replacing IAC no luck Quote
Galaxie500XL Posted February 10, 2011 Report Posted February 10, 2011 Look for vacuum leaks. The engine looks to the MAP to determine idle, a bad MAP or vacuum leak could lead to high idle issues. Quote
threepointone Posted February 10, 2011 Author Report Posted February 10, 2011 Ok I really need to replace the 3 plastic vac lines coming off the top of theTb can it still be purchased if so a part number would be great ill do some more inspecting of the vac lines and map Quote
Galaxie500XL Posted February 10, 2011 Report Posted February 10, 2011 I'd definitely eliminate vacuum leaks first...way cheaper than MAP sensors... Quote
threepointone Posted February 10, 2011 Author Report Posted February 10, 2011 Couldn't find any vacuum leaks with a stethoscope also visually. So I'm kinda stuck maybe try a new map sensor. Once its warm it seems to idle fine in park neutral. Something is for sure not right Quote
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