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1988 Chevrolet G20 Beauville 5.7L Poor Fuel Economy
Posted to GM Driveability on 12/22/2001 17 Replies

My 1st time posting, hope I'm doing this right! This is not may area of expertise! A friend of mine is trying to see what he can do to get better fuel economy. Avg. 10.5 miles to gal. @ this time. Thinking of changing PROM to see if something can happen from t...

17 Replies Received (View Replies)

  Related Documents & Media  1988 Chevrolet G20 Beauville

 
Message Closed w/Summary

car Vehicle Data

1988 Chevrolet G20 Beauville

VIN 1GCEG25K3J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsCA
SymptomsPoor Fuel Economy
OccursNot Applicable
Message Closed w/Summary

car Vehicle Data

1988 Chevrolet G20 Beauville

VIN 1GCEG25K3J
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsCA
SymptomsPoor Fuel Economy
OccursNot Applicable