SOURCE: gmc Envoy with erratic fuel gauge.
I have found that just about 100% of the time this condition is caused by a defective fuel gauge sending unit in the gas tank.
SOURCE: gas gauge not woking properly gas tank only accepts a little gas
I had the same problem. My gas gage would read full and as I drove the gage would read empty; even when I had a full tank of gas. All I had to do is buy a new gas cap... yes that is all! $15.00 and a day later the gas gage is fixed.
SOURCE: brake lights wont work right tail light wont work 2003 gmc envoy
check globes and check brake light switch under dash on brake pedal.
SOURCE: 2007 GMC Envoy - Gas gauge showing empty and check engine light
This is a safety feature that the vehicle brings. You need to reset the E.C.U on dealership or it will keep doing it to you. It was probably caused by one single time that you did not closed the fuel cap correctly. Good luck
SOURCE: Change Oil light is on. I changed oil and now
u gonna need an electronic scan tool designed for your cars model to reset the oil change light....
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Thanks rigger debisk it was actually the connection between the battery and battery post that is the craziest thing I've ever seen a car do start up real fine but soon as I clean those posts on the battery everything went back to working
That's cool Bro. Gladya gotit.
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