HOWTO REPLACE FUEL LEVEL SENSOR 2007 ENVOY

dont have to drop all the way but enough to be able to reach the top of tank much easier if tank can be dropped How To Install Replace Fuel Tank Pressure Sensor Suburban Yukon XL... same procedure as the envoy would be and tank placement

you have to drop the fuel tank to get to the fuel pick up. it has the fuel pump, the fuel level sensor, and the fuel return all together.

The fuel level sensor is in the gas tank, and if it needs to be replaced, the tank must be removed from the truck.
Does your gas gauge work correctly? If not, there could be a bad connection at the tank/sensor or the sensor itself is defective.

Enovy fuel level sensor is integrate into the in-tank fuel pump.
It's the connector with 4 pins (square).
You can inspect the cable loom for damage.

Here's the LINK to view the fuel assembly unut. The square is on the top right.

This is controlled by the fuel pump/level module in the tank. The fuel tank needs to be dropped and the module replace. This is the only thing that will trigger that light is the level indicator in the tank. The module runs about $350 just so this doesn't suprise you. Let me know if you need anything else like instructions or diagrams.

The problem is probably the fuel level sensor in the fuel tank.It can be replaced separately.You don`t have to replace the fuel pump and the level sensor.Hope this helps.Good luck.

it sounds like the fuel level sensor in the gas tank is bad,causing a misreading and fluctuation,,replace it and that should help,,

The oxygen sensor has nothing to do with the fuel gauge. There are two possibilities for the gas gauge error, first it could be the in-tank gas level sensor or it could be a defective stepper motor which drives the gauge. A professional scan tool can determine the fuel level being sent by the in-tank sensor, if that disagrees with the gauge, then the stepper motor needs replacing.

to coorrect this u will need to pull the gas tank and replace the fuel gage sending unit inside the gas tank, hwerwe is the part number for the fuel module which has the seding unit in it.
ACDELCO Part # SK1158

the sending unit for the gas gauge is in the fuel tank and part of the fule pump module, it is not sold seperately. price around $350.00, 2 hours labor to install the part. see photo