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Engine sounds grainy or coarse when accelerating

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Old Sep 16, 2009 | 10:58 AM
  #1  
Auzzie's Avatar
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Joined: Aug 2009
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From: Australia
Default Engine sounds grainy or coarse when accelerating

Hi, just wondering if the coarse grainy sound when accelerating and a kind of thumpy noise when going uphill on the freeway is normal for this engine. Seems to have plenty of pull, idles normal, quite smooth even, just the sound of the engine when rolling is unusual to me.
Had a 86 CJ Wrangler auto before.
Thanks for any feedback.
Cheers.
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Old Sep 16, 2009 | 11:12 AM
  #2  
Matt08jk's Avatar
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Joined: Jun 2007
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From: Vancouver, B.C., Canada
Default

Do you have the 2.8l CRD or the 3.8l Gas?

Mine has a similar "growly" sound but only when accelerating at low RPM (800-1100).
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