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GM Active Fuel Management Woes
GM AFM Design Flaw! The AFM is suppose to turn off the electronic lifters and valves when it switches from 8-4 cylinders. Well it doesn't quite do the job and ends up wrecking the camshaft, piston and rings, and valves. Which in turn causes to foul (in my case) #1 cylinder which causes a...- msw007
- Post #3
- Forum: Engine & Drivetrain
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GM Active Fuel Management Woes
So I would like to discuss our recent troubles with our 2007 Chevy Tahoe LT 5.3L. We were finally able to purchase our first new car, 2007 Chevy Tahoe LT, ever in October 2006 from our local dealership. We decided on the Chevy Tahoe because we have had a used Chevy Suburban and Used Chevy...- msw007
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- Replies: 10
- Forum: Engine & Drivetrain
