Mechanics

GMC SIERRA LIMP MODE PROBLEM

2002 GMC Sierra • 242,000 miles

We have a 2002 gmc sierra 2500hd which is stuck in limp mode. We turn it on and the brake light is on. When we try to move it flashes and beeps at us. We checked the wheel barrings and fluid levels. We know we have a sticky valve.
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November 12, 2012.



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