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Engine Light Coming on....Very strange
The problem may have something to do with mixing even small amounts of ethanol with methanol( non ethanol gas). It seems to cause a film to form on carb and injector parts, possibly 02 sensors?- Butch Coleman
- Post #25
- Forum: Engine & Drivetrain
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Low engine oil
I found excessive oil consumption until I disabled the afm on my 09 Tahoe. No consumption now in 5000 miles. Don’t know if it will help you.- Butch Coleman
- Post #12
- Forum: Engine & Drivetrain
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Disable the AFM or not????
No more oil consumption in 10k oil change with Amsoils best.- Butch Coleman
- Post #9
- Forum: Engine & Drivetrain
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Disable the AFM or not????
I have an 09 5.3 6 speed that is new to me with 150k. It was using a qt per 1000 miles. Tuned it and disabled the afm, added 30 hp, and get over 20mpg highway consistently. Just saying...- Butch Coleman
- Post #8
- Forum: Engine & Drivetrain
