Incredible 03 Envoy Check Engine Light Flashing References. Web 2003 gmc envoy. I went to auto zone and they said it could be the wire or if its the fuse they do not know which one it wou.
All of the lights on my dash start circulating.abs light comes on, then to seat belt light, then to driver info, on to mileage, battery light comes on, etc and it starts. There are hundreds of possible causes. I would tow your car to a good shop and tell them to diagnose the misfire problem (s).
