Question about Cars & Trucks
If the check engine light is on, you need to check the computer for trouble codes first.
The idle speed is computer controlled by the idle air bypass valve. The valve can get gummed up, and so can the throttle body.
Posted on Apr 30, 2013
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Posted on Jan 02, 2017
throttle body shaft seals are worn do a boost leak test and you will hear the leak
Posted on Nov 05, 2009
i ran into this with my focus. It turned out to be a loose connection on the crank sensor. It started right after i changed the serpentine.
Posted on Jan 26, 2009
SOURCE: 1996 Ford Explorer
your TPS is the fault. The TPS(throttle position sensor) is located on the throttle body and is responsible for your idle speed. when this is faulty the engine speed sensor tells the ecm that the engines is losing rpm and then the ecm tells the fuel pressure regulater to give more fuel so this loads the throttle body up and you basically are flooding the throttle body and that's when ypou get a bog down. change the tps and this will solve it...please rate the solution..........thanks
Posted on Sep 22, 2008
SOURCE: revs to high
Try changing your idle control valve or stepper motor which is the same thing.try cleaning it first before buying a new one,this could be done with caburetter cleaner, let dry before replacing,hope this is helping ty.
Posted on Nov 15, 2008
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