Question about 2004 Ford Explorer Sport Trac
Will not idle at low speeds but runs fine at normal speeds
The odds are that you have a vacuumn leak , you may think that it is runing alright but it is not . check for a vacuumn leak , and that iac motor is working
Posted on Jan 18, 2009
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Posted on Jan 02, 2017
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Nov 04, 2012 | 1987 Jeep Comanche
Sep 03, 2012 | 2005 Chevrolet Silverado
ngine stalling and rough run
issue at low speeds
This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control
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