The vehicle goes into reduced engine power while driving. the engine loses power to about 20 mph. if driving 70 mph it is very dangerous because the sudden reduced engine power will cause a severe accident and possibly kill somebody. this has been happening the last few months. *tr
My speedo went out on my 2003 shevy 2500hd at 116000 miles.i went to start it on a cold day and it was reading 20mph in park.today it reads 70 mph in park and is reading over 70 mph over the speed that i am driving.*cn
Driving down the road at 50 mph and the spare tire and support bracket came off the truck and landed in the highway. it appears that the the 1 bolt that attaches the bracket and tire to the truck had backed off causing the tire to fall to the ground. *tr
Dt*: the contact stated when the temperature is below 25 degrees the heater does not blow hot air. the dealership inspected the vehicle several times and was unable to locate a problem within the heating system. updated 2/13/2006 - the dealer replaced the thermostat and other components to correct the problem but the problem continued. *nm