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1994 Chevrolet K1500 5.7L Excessive Emissions, Hesitation, Cuts out, Poor Fuel Economy
Posted to GM Driveability on 8/16/2010 15 Replies

Truck came in with listed parts replaced . Engine is real rich with black smoke and at times Gray smoke Frome tail pipe. Scanned and found no codes it will backfife from intake at times Under load. Checked Base timing and found at o With timing connecter unplu...

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Message Closed w/FIX

car Vehicle Data

1994 Chevrolet K1500

VIN 2GCEK19K6R
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
EmissionsOBD1 FED
SymptomsExcessive Emissions, Hesitation, Cuts Out, Poor Fuel Economy
OccursHot, on Accel
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet K1500

VIN 2GCEK19K6R
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
EmissionsOBD1 FED
SymptomsExcessive Emissions, Hesitation, Cuts Out, Poor Fuel Economy
OccursHot, on Accel