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1998 Chevrolet K3500 Cheyenne 7.4L Fuel Gauge Erratic
Posted to GM Driveability on 5/9/2008 3 Replies

the problem is that the balance module does not always pump from the rear tank, and that the fuel guage is erratic. i can see how the balance module effects the gauge, when i vary the voltage at the purple wire going to the vcm, the guage moves up and down. ha...

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  Related Documents & Media  1998 Chevrolet K3500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet K3500 Cheyenne

VIN 1GBJK34J0W
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PORT INJECTION
EmissionsOBD-II Compliant
SymptomsFuel Gauge Erratic
OccursIntermittently
Misc.Has Dual Tank With Balance Module

Trouble Codes

P0462Fuel Level Sensor Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet K3500 Cheyenne

VIN 1GBJK34J0W
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PORT INJECTION
EmissionsOBD-II Compliant
SymptomsFuel Gauge Erratic
OccursIntermittently
Misc.Has Dual Tank With Balance Module

Trouble Codes

P0462Fuel Level Sensor Circuit Low Voltage