MISFIRE

1997 GMC Sierra

Tiny

huneke89

November, 3, 2009 AT 12:37 AM

Engine Mechanical problem
1997 GMC Sierra V8 Four Wheel Drive Automatic 11000 miles

I have a 97 sierra with 110k miles, I keep getting a engine check light on and always says cylinder #2 misfire, I hAVE RECENTLY replace spark plugs, wires, dist. Cap/rotor and ignition coil, but the problem persists, I only feel any sluggishness once in a while but can't figure out the problem, maybe a fuel injector? I Dont know but running out of ideas and money. If you have any ideas or thoughts I would greatly appreciate it.

FOUND 2888 RELATED QUESTIONS

Engine Miss

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Tiny

obxautomedic

November, 3, 2009 AT 8:23 PM

Hello,

Check for Vacuum Leaks

Check Fuel Pressure and Fuel Pressure Regulator

Check engine compression

Check the Air Intake Tube for band tightness, cracks, etc.

Check Injector will need a noid light to test.

Other possibilities are.

Weak Crank and/or Cam Sensor

Faulty Engine Mount

IAC (Idle Air Control) Motor

.

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