09-25-2006, 12:21 AM
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Hummer Authority
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Join Date: Nov 2002
Location: Wherever I Go, There I Am!
Posts: 1,216
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Re: Check engine light came on...
Make sure the gas cap clicks, and trans level is topped! 
Superchip is a must with oversize tires (a must anyway  ) But,--I'm a believer!.....especially After Chipping Lil Ugly's 8100/Allison  
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