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1998 Chevrolet K1500 Cheyenne 5.7L Poor Fuel Economy
Posted to GM Driveability on 3/22/2002 11 Replies

Hey guys hope you can help , this truck has been in and out of the shop for months now with a complaintof poor fuel economy. The customer gets about 400km per each full tank of gas. the o2 sensors are not indicating a rich condition on the motor. The emissions...

11 Replies Received (View Replies)

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car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 2GCEK19R5W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI WITH POPPETS
EmissionsNot OBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways
Message Closed

car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 2GCEK19R5W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI WITH POPPETS
EmissionsNot OBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways