I have a 1994 gmc Sierra sle k1500 and it's idling fast and I can't find out what is causing it

Asked by Bill Mar 30, 2015 at 06:04 PM about the 1994 GMC Sierra 1500 C1500 SLE Standard Cab SB

Question type: Maintenance & Repair

I have checked for vaccum leaks and all
vaccum hoses

2 Answers
10

95GMC answered 9 years ago

My advise is to replace the Air idle mixture valve. Easy fix. my 95 GMC had the same trouble after I replaced the intake gasket. It is cheap to replace $50.00 Simply unplug the wiring harness and un screw the old one, and replace it. Hope this was helpful

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