Circuit Description
WARNING: This page is about a different car, the 1997 GMC Pickup and 1997 Chevrolet Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Fuel level sensor information is used by VCM to determine volume of fuel in fuel tank. Fuel level affects rate or change in air pressure in EVAP system.
Conditions for setting DTC:
- Fuel tank level slosh test is completed
- Fuel tank main test is completed.
- Fuel tank level data valid.
- Fuel level signal has not changed for distance of 200 miles.