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Misfire on Cylinder 2, 2007 Tahoe
Cant seem to figure this one out. Getting a p0300 code, random misfire, looking at misfire data, 99% of them are on cylinder 2. No other codes. I've changed the coil, the spark plug, the spark plug wire, the fuel injector, and replaced the intake gasket due to a leak. No change. Its most...- georgebuhr
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- Replies: 2
- Forum: Engine & Drivetrain
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Looking to boost fuel mileage
So I just bought my first yukon, an 05 with the 5.3. According to guage, its averaging about 16 mpg. Was just wondering if anyone has any tips on how to boost fuel mileage. I see some people mention the cold air intakes, also the exhaust. I've also been looking at the computers for adjusting...- georgebuhr
- Thread
- Replies: 12
- Forum: Performance
