Gas Guage Fluctuates
Hi all, Just got back from a 10 day trip. The last 2-3 days the gas guage started fluctuating from full to zero and points in between. We resorted to relying on the trip meter to let us know when t...
Forum Discussion
Be sure to complete the diagnostics before spending $$$ replacing parts. That said, it sounds like the sending unit to me too. We drove our '05 Envoy a long time trusting the odometer to let us know when it was time to fill up.
I replaced the sending unit 4 or 5 years ago and it's worked fine since. Yours has a lot more miles than ours did at the time. With 200k miles, I'd change the pump too when I had the tank out.
That said, I now have an UltraGauge in the Envoy, and I wouldn't have any problem trusting it to let me know how much gas is left in the tank. The install was a heck of a lot easier than dropping the tank.
I replaced the sending unit 4 or 5 years ago and it's worked fine since. Yours has a lot more miles than ours did at the time. With 200k miles, I'd change the pump too when I had the tank out.
That said, I now have an UltraGauge in the Envoy, and I wouldn't have any problem trusting it to let me know how much gas is left in the tank. The install was a heck of a lot easier than dropping the tank.
