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International Automotive Technicians Network
1985 Chevrolet G20 Sportvan 5.0L Loses Power
Posted to GM Driveability on 6/17/2002 7 Replies

This van runs very well about 90 percent of the time but after a long drive (20-40 miles usually interstate), it starts losing power. Does not skip or jump, it just loses speed for a while but after a short time starts running good again. It does run bad when ...

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  Related Documents & Media  1985 Chevrolet G20 Sportvan

 
Message Closed w/FIX

car Vehicle Data

1985 Chevrolet G20 Sportvan

VIN 1GBEG25H7F
Engine5.0 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / 4 BBL
EmissionsUS Fed
SymptomsLoses Power
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1985 Chevrolet G20 Sportvan

VIN 1GBEG25H7F
Engine5.0 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / 4 BBL
EmissionsUS Fed
SymptomsLoses Power
OccursIntermittently