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1994 Chevrolet C1500 4.3L Misfire
Posted to GM Driveability on 7/12/2001 4 Replies

Runs very good most of the time, except under load. When watching the o2 sensor pattern, I belive that it is slightly lean under load. I thank you in advance for all your time and effort. In the past I have been able to repair all problems and am not about to ...

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car Vehicle Data

1994 Chevrolet C1500

VIN 1GCEC14ZRZ
Engine4.3 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / TBI
SymptomsMisfire
OccursUnder Load, on Accel, Most Present Under Light Acceleration Up a Hill in Third Gear. Problem Does Not Go Away Under Full Throttle Acceleration.
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet C1500

VIN 1GCEC14ZRZ
Engine4.3 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / TBI
SymptomsMisfire
OccursUnder Load, on Accel, Most Present Under Light Acceleration Up a Hill in Third Gear. Problem Does Not Go Away Under Full Throttle Acceleration.