Two problems related to car accelerates on its own have been reported for the 2003 GMC Envoy. The most recently reported issues are listed below.
Some times when the brakes are applied the throttle also advances causing unwanted acceleration. Happens at low speeds. Have there been any factory recalls for this problem?.
While stopped the engine ran at 900 rpm's. After the brake was released the rpm's climbed to 1100 and the vehicle accelerated suddenly. The dealer replaced the fuel emissions canister once, and reset the electrical codes, and replaced the fuel tank, but the problem recurred.
| Vehicle Speed Control problems | |
| Car Accelerates On Its Own problems | |
| Cruise Control problems |