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12-17-2010, 06:30 AM
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#1 | |
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AF Newbie
Join Date: Dec 2010
Location: North Manchester, Indiana
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91 Chevy s10 p/u with a high idle. need help!
Ok i have a 1991 chevy s10 4.3l 4x4 and i worked on it last weekend and then started it and suddenly it just randomly idled at bout 1500-1700rpms and wont slow down and i need help to figure out what is going on or what i need to do so all sujestions are helpful thanks!
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12-17-2010, 07:09 AM
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#2 | ||
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AF - Advisor
 
Join Date: Sep 2005
Location: New London, Missouri
Posts: 16,690
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Re: 91 Chevy s10 p/u with a high idle. need help!
Quote:
Any check engine lights on or any codes? If any codes post back code no. Have you checked for vacumn leaks and or any sensors unpluged?
__________________
Remember proper testing gives us the answer to many problems. MT |
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12-19-2010, 08:14 AM
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#3 | ||
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AF Fanatic
Join Date: Oct 2007
Location: EVERETT, Massachusetts
Posts: 10,898
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Re: 91 Chevy s10 p/u with a high idle. need help!
Quote:
with more air entering the engine [defective vacuum lines] to keep the fuel mixture correct ,,,,,fuel is increased causing the high idle....... |
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