HOUSING 8K6683 - Caterpillar

CID 1684 FMI 03Conditions Which Generate This Code:This code is generated by the fuel injection pump.The fuel injection pump will detect the following condition:
An internal problem with the fuel injection pumpThe Electronic Control Module (ECM) will log the diagnostic code. The diagnostic code may be viewed on the electronic service tool.System Response:The ECM will have no response to this active code. The engine may have reduced power.Possible Performance Effect:An incorrect amount of fuel may be injected into the cylinders. Continuing to use the engine under these conditions may lead to engine failure. Troubleshooting:Test Step 1. Contact the Caterpillar Dealer Solution Network in order to check if the software version is correct. Also check that there have been no software updates.If the fault persists, contact the Caterpillar Dealer Solution Network in order to change the fuel injection pump. The warranty of the fuel injection pump will be affected if the pump is replaced without prior consultation.Replace the fuel injection pump. Refer to Disassembly and Assembly, "Fuel Injection Pump - Remove" and Disassembly and Assembly, "Fuel Injection Pump - Install".Check that the fault has been eliminated.Results:
OK - STOP