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1995 Chevrolet K2500 5.7L Misfire, backfire
Posted to GM Driveability on 12/17/2009 56 Replies

engine developed a backfire through the intake. Other shops have attempted to fix with no success. coil puts out 30kv. engine backfires when snapping throttle, also when accelerating agressively. all sensors show good responce and accurate readings.

Summary posted 1/12/2010

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car Vehicle Data

1995 Chevrolet K2500

VIN 2GCEK19K75
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / tbi
EmissionsNot OBD-II Compliant
SymptomsMisfire, Backfire
OccursAlways, on Accel