Question about 2001 GMC Yukon
I had a tune up wires and plugs and air filter and fuel filter . When I am driving and I come up to a point where I have slow down to the speed of 10 to 15 miles phr , then the truck will cut off. It will crank right back with no problem.
Check the IAC valve (idle air control) might be dirty and sticking. Remove air intake hose to engine, spray throttle body cleaner in upper right opening in throttle body to clean, also spray all areas of throttle body while opening and closing butterfly, then start truck and spray IAC valve and openings while running. If that does not work replace the IAC valve with new one.
Posted on Feb 08, 2010
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Posted on Jan 02, 2017
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