2004 GMC Sierra 3500 6.0L Tank Switching
Good afternoon one of our service trucks has an issue of not changing tanks. It has 2 fuel tanks the gauge never goes above half way and after you drive the truck the fuel light will come on, you can put 15 gallons in the front but the rear tank is always full...
FIX posted 2/15/2017
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Vehicle Data2004 GMC Sierra 3500
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Vehicle Data
2004 GMC Sierra 3500
VIN | 1GDJK34U64 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Tank Switching |