2004 GMC Sierra "hesitation" Questions

engine is hesitant and sometimes backfires while 1998 gmc sierra 5.0L, engine is hesitant and sometimes backfires while cold and under load for about 1 minute. Changed fuel filter and air filter spark

as accelerating, engine hesitates,back off gas pedal, accelerate again engine sometimes allows acceleration or hesitates then accelerates and gear changes accordingly.truck is automatic, 5.7 v8 4x4. ...

95 GMC hesitation I have a problem with my truck hesitating when you give it more throttle at 1500 rpm. It only happens once the engine reaches operating temp and when you are in overdrive. I've ...

my 1997 gmc sierra has a hesitation problem change gas filter,spark plugs,wires,rotor cap and is still the same Did you check the timing? Mine would idle rough and hesitate. I replaced all kinds of ...

Hesitation shifting between 3rd and 4th gears The transmission seems to hesitate when shifting between 3rd and 4th gears. Have you heard of this as a problem? yes i have heard of this and my friend is

I have a 2004 GMC Truck that misses or hesitates I have a 2004 GMC Sierra Truck that misses or hesitates at 40-50 mph. It is not plugs or wires and no codes have popped up? Any idea where to start? If

hesitation i have a 1993 suburban w/ a 350. i replaced the plugs .035 gap, cap, rotor, air filter, fuel filter, and did a thorough cleaning of the throttle body. the wires stayed but they are only a ...

2000 GMC Sierra V8 4.8L - I recently had my fuel pump & fuel filter replaced. I just changed my spark plugs and wires. Truck starts up fine, but it idles low now. When I'm driving it now hesitates

Runs rough till warmed up. Hesitates. I put a new Runs rough till warmed up. Hesitates. Surges. I put a new TPG on it, carb cleaner, new O2 sensor Ok, you got new 02 sensors, that is good, Now check ...

Tailpipe BLACK , exhaust reaks of gas ! Hard startin' , rough idle , hesitant takeoff , bad gas mileage , 200k miles , 1996 GMC Sierra 1500 , V8 garage mans company. broken plugs.