Vehicle has stalled in traffic five times while traveling between 55 and 60 MPH. Dealership has examined vehicle, and could not reproduce the problem. *ak vehicle also stalled once while at idle and in park. Dealership has replaced computer with no significant improvement, vehicle has been seen by dealer six times. Nlm
2002 GMC Envoy engine complaints
Page 5 of 5: complaints 101 to 104 of 104, newest first, as owners wrote them.
Engine dies with no notice at highway speeds (twice within 500 miles).
Service engine light illuminates, engine cooling fan engages, engine power greatly reduces and transmission shifts improperly. Loud noise from computer controlled engine cooling fan. Vehicle will not accelerate or shift properly when driving with fault. Fan clutch replaced, computer programming changed with no success of fixing problem. Gmc refuses to buy back vehicle. Dealership indicates this problem is occurring on all 2002 gmc envoy's at varying levels mine being worse case. Vehicle is unsafe for use in any traffic situation as the problem manifest itself rapidly with severe loss of engine power, loud noises from engine and poor shifting and acceleration.
When driving and without any prior warning vehicle suddenly stalled, causing loss of all power. Problem has occurred five times since purchase date. Consumer has contacted dealer.*ak consumer states after each filure, vehicle does not shift properly, the engine must reach a high RPM to shift transmission, even after shifting engine, the transmission makes an excessive noise, vehicle acts if though it is pulling heavy load, symptons persist for 40 to 50 miles after failure.
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