My 2004 GMC Sierra reduces engine power. And the speakers don't work

Asked by Apr 21, 2016 at 06:14 PM about the 2004 GMC Sierra 1500 4 Dr SLE Extended Cab LB

Question type: Maintenance & Repair

1 Answer

My truck will run fine the it will reduces engine power. I have to pull over and trun it off for a minute or two . and my speakers quit working.

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