anoying noise when afm switches to 4cyl mode

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anoying noise when afm switches to 4cyl mode

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Chevrolet Forums >> Chevy Trucks, Vans & SUV's >> Avalanche >> anoying noise when afm switches to 4cyl mode

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anoying noise when afm switches to 4cyl mode - 10/9/2007 5:56:56 AM

blown S10

Posts: 3
Joined: 1/28/2007
Status: offline

07 2wd lanche with volant air intake, headers and exhaust. Nasty reverb sound when switches to 4cyl mode. Have driven many stockers and never heard nor could I tell when switching happened unless I was watching the dic. Im thinking it has to be the intake causing this and that it is a intake noise and not an exhaust. Any help appreciated.
Thanks,
David