Just had tranny computer go out. Chevy replaced under warranty.
Duramax now runs like a 4 cylinder.
Bully Dog has product for the motor, is there anything like that for the transmission?
- posted
8 years ago
Just had tranny computer go out. Chevy replaced under warranty.
Duramax now runs like a 4 cylinder.
Bully Dog has product for the motor, is there anything like that for the transmission?
One benefit of poor performance, best average fuel mileage I ever had was 15.7, now it is at 16.2...
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