Harmonica

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dt137

TYF Newbie
Joined
May 23, 2016
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Hello everyone, So I have this annoying issue that I cant seem to find on this forum ( If already posted please share link ) So every time I start driving my 2003 Tahoe ST I get this harmonic sound coming from the front end somewhere. Usually around 10-15 mph does it happen. Anyone else get this? Is it the grille? Cant seem to find the source of this sound.
 

Merc1973

Full Access Member
Joined
Sep 16, 2016
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346
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Location
Maryland
Watch the RPMs and post when it happens. Mine does this at 2000-2300 RPM due to a bad intake gasket.
 

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