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1997 GMC Sierra MISFIRE
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Posted at Mon Nov 02, 2009 10:37 pm |
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By
huneke89,
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Give Feedback | Votes: 0 |
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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.. |
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Posted at Tue Nov 03, 2009 6:23 pm |
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By
obxautomedic,
Certified 2CarPros Technician |
 (1350) Give Feedback | Votes: 41 |
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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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