Question about 2004 GMC Envoy

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I have a 2003 GMC Envoy, when it is in drive, and the gas is pressed the engine revs really loud. Help!

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Sounds like clutch fan its electronic try unplugging then drive. they are normally loud but this might help with whats making noise.

Posted on Jan 03, 2009

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2003 GMC Envoy V6 - will not rev over 3000 rpms. Idle also varies 300-400 rpms. What's wrong??


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Apr 30, 2010 | 2003 GMC Envoy

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Aug 15, 2009 | 2005 GMC Envoy

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1 Answer

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Jan 03, 2009 | 2004 GMC Envoy

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Engine revs realy loud


You have a faulty thermostatically controlled fan clutch. Same thing happened to mine. As soon as you start the car, the fan is always turning, and the speed increases as the RPM is increased.

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Oct 16, 2008 | 2004 GMC Envoy

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