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08 Silverado PCM programming
Just flashed a PCM for a P1174 Fuel trim code which there is a TSB for a reflash. When I was going through the process the screen comes up and tells you what it is updating and I noticed that only three parts of the calibration are different than the current o... Login to read more. 
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| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2008 Chevrolet Silverado 1500 LT 5.3L
| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
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