1991 GMC Sonoma "cause truck" Questions

...the truck to skitter. Shocks have been replaced. Ball joints? the caster needs to be checked as well as loose steering components too much negative caster will cause this also too much air in the ...

Service engine light come on while driving an the engine misses YOU HAVE CYLINDER MISFIRE CAUSED BY BAD SPARK PLUGS AND WIRES, CLOGGED FAULTY FUEL INJECTORS WILL CAUSE SEVERE ENGINE MISFIRE WHICH WILL

truck stalled and dies while driving what could cause this I had just added gas could a loose gas cap cause this Not likely take to your dealer, competent repair shop or auto parts store to have error

cause rear brake lights to stay on occasionally when truck is off ? Third brake light is not on when this happens. First thing to check would be the brake pedal switch, it is located at the pedal with

...you that your engine is running lean...not getting enough fuel, or getting too much air. That will cause the poor running and dying. This is most likely caused by a bad vacuum leak. The O2 heater ...

...i have stiff brakes and idles funny{high} sounds like there is a vacuum leak, a vacuum leak will cause your engine to run lean, that may cause your idle speed to increase, , check the vacuum line ...

...excessive white carbon build up the vacuum line to the egr valve was non existent could this be the cause it also seems to be running rich your input will be appreciated That is a possibility. ...

...cause oil to leak from somewhere on the driver's side of the motor? truck have a oil leak I replaced to oil pan gasket and can see no where were oil maybe leaking but there is oil leaking from some ...

Have EV error - replaced gas cap. Anythhing esle probable cause ? Egr valve is most commen for the cause...........Change or clean depending on if it is the plunger type or not.........Hope this helps

What would cause the headlights in my 98' gmc What would cause the headlights in my 98' gmc sonoma to flicker Do you have HIDS, cheap HID kits flicker? otherwise check the wiring harness. could be