2002 GMC C2500 Engine rpm

2002 GMC C2500
107,000 MILES • V8 • 4WD • AUTOMATIC
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FORGETFULL442
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Looking to purchase this truck it has the 8100 engine. When in park the engine won't rev past 3000 rpm but driving it works ok. Any ideas?
Sep 28, 2010 at 9:51 AM
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HMAC300
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  • 48,601 POSTS
check for lowfuel pressure or a partially clogged converter..also loose intake bolts.
Nov 2, 2010 at 6:01 PM