Question about 2002 GMC Yukon XL

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2002 yukon xl no power check engine light

I have a 2002 Yukon XL with approx 95,000 miles on it, under heavier acceleration the car will not accelerate and the check engine light comes on. Other than that the car runs fine, any ideas?

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FROM: LustyKid

Denalis are famous for clogged fuel filters. Change the fuel filter first and see what happens, Get the code for the check engine light. It could be you have a clogged EGR ports. Remove EGR valve and clean out the ports, replace with new gasket and see what happens. Advise of results.

Posted on Dec 02, 2008

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My 2004 yukon xl wont start


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Have the spark plugs been changed in the past couple of years ?
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Ah, believe this one is done by:

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