Questions & Answers for: GMC Safari adjust idle

...adjust timing. Low idle sensor is probably bad. I had this same problem and found that The EGR valve was not returning to the closed position at idle. Ran fine going down the road but would not idle ...

...goes from smooth idle to small rough idle.I have replaced fuel pump,plugs and wires,most sensors,adjusted timing,filters. The engine will run real smooth for one day,rough the next. (please help) ...

...adjust the idle for a 2002 gmc safari the idle isn't adjustable. you might want to have the idle air control motor checked out. they are prone to sticking in the open position allowing more air into ...

...adjust the carburetor on a 1987 GMC safari van V-6 If the carburator has never been rebuilt, or the plugs that were installed at the factory have never been removed, you need to remove those plugs, ...

...If the oil pressure is okay 30 to 40 lbs. idling and 40 to 60 at medium rpm, then you may need to adjust the lifters if that's what you're hearing. Lifters make a clicking sound at half the ...