Fuel Injector Balance Test with the Active Fuel Injector Tester
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Turn OFF all accessories.
- Turn OFF the ignition.
- Install the Active Fuel Injector Tester. Refer to the Active Fuel Injector Tester User Guide.
- Turn ON the Active Fuel Injector Tester and select the vehicle.
- Turn ON the ignition and perform the Injector Test.
- If the Active Fuel Injector Tester aborts testing due to fuel pressure or fuel leak down, refer to Fuel System Diagnosis (NT7, NU1) Fuel System Diagnosis (NU6) .
- View the test results.
- If any injector exceeds the recommended tolerance, replace the injector(s).