Question about Cars & Trucks
Sounds like the computer needs to relearn base idle or the idle air control ( IAC) is stuck.
Posted on Dec 01, 2014
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Posted on Jan 02, 2017
SOURCE: 2001 gmc jimmy not starting
Did they do a fuel pressure pressure test to determine that its fuel pump? And if so what was the p.s.i.?It should be around 55 to 60 p.s.i. a few pounds under 55 p.s.i. Pump needs replaced, Your shop should have chk. this when it was there the first time. Did they by chance chg. the fuel filter, that can hinder it from starting too.
Posted on Feb 14, 2009
Testimonial: "it was the fuel pump thank you"
Check and clean Idle air control valve. Make sure its responding to signal as well. Also make sure ther are no vacuum hoses disconnected. This may not be a "cure" but it's a good place to start.
Posted on Apr 14, 2009
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