Fuel Injector Balance Test

An injector balance test is performed with the scan tool. This test will properly identify a stuck closed or noisy injector nozzle. Typically, a nozzle failure will fall into this criteria.
1. Install a scan tool.
2. Start and idle the engine.
3. Perform the injector balance test on each cylinder (balance test refer to a specific cylinder).

If a suspect nozzle has been located, the nozzle can be swapped with the adjacent cylinder and balance test can be repeated as a check to positively identify a malfunctioning nozzle.

4. Locate and replace the malfunctioning nozzle and glow plug.