1990 Chevrolet K2500 "set backs gmc truck" Questions

...gmc med duty truck with 454 tbi ,backfires, no power. code 42 is set, once it warms up it backfires when under any load resulting in no power, when above 2000 rpm. If i shift up it will pull good ...

...GMC 1 ton 454 7.4 that jerks going down the road it feels like carborator back fire, it happens more often after it warms up and when I go between 45 & 60. the tack jumps around also. the ...

module , new ecm , ne wspark control module.. no codes in computer , nothing helped so far You have set the timing to zero right? Then after you hook the bypass back up what does the timing go to

...GMC K2500 Starts and runs strong. After runing about 20 min it quits bad. You can crank on it and it turns over but will not start. Great spark at the coil but can smell fuel. Let it set for 15 min ...

...ignition key assembly This is fairly easy to do if you have the right tools. Wheel puller, socket set, philips and or torx screw driver or long bits. 1. Remove the hazard switch, there is a screw

gmc terrain with infotainment center. the clock will not stay set when i set it. it will stay set till i park and leave the vehicle for awhile then i get back in and it is back to an hour behind. Took

gmc sierra 4x4 and im wondering how to set the tortion bars back to factory settings i have them turned up but im loosing the gears on my linkage i have park reverse nutral and have to shove leaver up

Blower not working on setting 1 or 2 Hi, I have a 1999 GMC Sonoma 4.3 V6.. The heater fan is not working on setting 1 or 2, but works fin on 3 and 4.. How do I get all settings back? it sounds like ...

I have a 1998 gmc sierra and no matter what setting the fan is set at it always just blows thru the vents. need to replace vaccum controls or vaccum line may have came off in back of controls

back brakes how do i set them up its for a gmc 2001 w 3500 Are the back brakes self adjusting? If so, if the brakes don't 'grab', does that mean they are completely worn out?