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1996 GMC C1500 Sierra SL 5.7L Cuts out, Misfire,
Posted to GM Driveability on 8/2/2012 12 Replies

Hey guys , thanks in advance for replies. OK engine starts and idles excellent. Once in gear above or below OT it runs terrible cuts out , backfires,stumbles but if you continue to depress pedal at or about 65 to 75% throttle it comes completely alive and runs...

12 Replies Received (View Replies)

  Related Documents & Media  1996 GMC C1500 Sierra SL

 
Message Closed w/Summary

car Vehicle Data

1996 GMC C1500 Sierra SL

VIN 2GTEC19R8T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsCuts Out, Misfire,
OccursCruise

Trouble Codes

P0307Cylinder 7 Misfire Detected
Message Closed w/Summary

car Vehicle Data

1996 GMC C1500 Sierra SL

VIN 2GTEC19R8T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsCuts Out, Misfire,
OccursCruise

Trouble Codes

P0307Cylinder 7 Misfire Detected