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Denali Runs Rough and Lean
Posted to Technical Discussion Forum on 2/17/2006 196 Replies

This vehicle is fixed. 2002 GMC Yukon XL Denali, 6.0 VIN U, RO States: Customer says runs rough, MIL comes on, feels sluggish on acceleration, has new fuel filter, please check and advise.

Upon inspection, the vehicle did start up and run rather rough, seeme... Login to read more.

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196 Replies Received (View Replies)