Circuit/System Testing
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, remove the fuel level sender and verify there are no objects interfering with the fuel level sender.
- Repair any fuel level sender interference.
- If all circuits test normal, perform the fuel level sensor component test before replacing the fuel level sensor.