2003 Chevrolet Silverado 1500 4.8L fuel
Good evening to all This is my personal truck it used to get 16 to 18 mpg around town 20 to 21 on highway.I went from 245/75r/16 to 265/75r/16 had computer reprogammed for the different size tires and now I,m only getting 10 to 11 mpg its hard to believe just ...
FIX posted 7/16/2013
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Vehicle Data2003 Chevrolet Silverado 1500
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Message Closed w/FIX
Vehicle Data
2003 Chevrolet Silverado 1500
VIN | 1GCEK19V13 |
Engine | 4.8 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |