C6.6 Generator Set Caterpillar

The electronic unit injector is no longer capable of delivering the correct amount of fuel.

System Response:

If equipped, the diagnostic lamp will flash and the derate lamp will come on. The Electronic Control Module (ECM) will log the diagnostic code.

Note: The diagnostic code can be viewed on the electronic service tool.

The engine will be derated by 20%.

Replace the suspect electronic unit injector. Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove" and Disassembly and Assembly, "Electronic Unit Injector - Install".

Use the electronic service tool to perform the Fuel System Verification Test.

Test Step 1. Perform the following diagnostic procedure: None

Results:

• OK - STOP