1999 Chevrolet Astro Vehicle speed control Problems

“Had cruise control engaged prior to entering a reduced speed area and it functioned normally. After departing the reduced speed area, I engaged the resume function and the vehicle accelerated past the set speed and kept speeding up. I was able to control the vehicle with brakes although they got very hot and smoked severely. Attempts to turn off the cruise control failed, as well as turning off and removing the keys from the ignition. …”

“Family and I were on hwy 441 traveling at 60 MPH. I braked and went down to 50 MPH as I began to make an exit off of this hwy. I let off brake and car sped up to 60 MPH and the cruise control was never on. I was on exit ramp going 60. I was forced to put transmission into neutral. I coasted to a place off the roadwhile engine was reving at high RPM's . I snapped the gas pedal and engine went faster. I reached down to pull on gas pedal and throttle cable broke. Vehicle was towed to a GM dealer the next morning. Their diagnosis was a dirty throttle body and stuck throttle cable. …”

“Dt: caller says the accelerator sticks on vehicle. When getting in and hitting accelerator it will not move. When push ing hader it will go faster than expected. Dealer and manufacturer were notified.”

“Accelerator sticks on starting out, dealer advised that problem was due to carbon build up in throttle body and is normal. This is not a normal problem and I suspect a design problem, as no other manufacture I have heard of has this problem, dealer did advise they were having problems with Chevrolet pickups. I contacted general motors for assistance in a refund and to notify them of the defect on 8/2/2001 verbally and put in a written claim on 8/14/2001 in a letter. I was advised via telephone 11/19/2001 that no assistance would be provided and that carbon build-up causing a sticking accel. …”

“While driving 40 MPH vehicle stalled. Then, vehicle suddenly accelerated. Consumer applied the brakes, but they were inoperative. This caused the vehicle to crash into a tree. Upon impact, both frontal air bags failed to deploy. Driver and two passengers sustained major injuries, and were transported to the hospital by ambulance. The vehicle was towed to a garage.”