Injector Balance Test
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2002 Saturn Vue, 2002 Pontiac Montana, 2002 Pontiac Aztek, 2002 Oldsmobile Silhouette, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.
An injector balance test is performed with scan tool. This test will properly identify a stuck closed or noisy injector nozzle. Typically, a nozzle failure will fall into this criteria.
- Install scan tool.
- Start and idle engine.
- Perform injector balance test on each cylinder. If a suspect nozzle has been located, nozzle can be swapped with adjacent cylinder and balance test can be repeated as a check to positively identify a malfunctioning nozzle.
- Locate and replace malfunctioning nozzle and glow plug.