Question about Chevrolet 3500
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Jun 19, 2014 | 1997 Volkswagen Jetta
Apr 22, 2013 | 1994 Chevrolet S-10
Nov 13, 2012 | 2000 Nissan Maxima
Engine stall or RPM fluctuates
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.
Below is a picture of the switch I mentioned.
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