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1997 Chevrolet C3500 Cheyenne 7.4L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Posted to GM Driveability on 10/8/2005 8 Replies

Truck came in with 3 leaking injectors and 80 lbs fuel pressure. Replaced injectors and pressure regulator with AC Delco parts. Had no injector leakage but still 80 psi with or without vacuum to regulator. Replaced regulator with Standard Ignition brand and no...

8 Replies Received (View Replies)

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car Vehicle Data

1997 Chevrolet C3500 Cheyenne

VIN 1GBKC34J4V
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursIdle
Misc.Tow Truck
Message Closed w/Summary

car Vehicle Data

1997 Chevrolet C3500 Cheyenne

VIN 1GBKC34J4V
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursIdle
Misc.Tow Truck