DUCT GP-CABLE 4646291 - Caterpillar

Probable Causes
Fuel injector seals
Fuel injector tip
Fuel transfer pump sealNote: For additional information, refer to , REHS3007, "Determining the Cause of Fuel Dilution of Engine Oil".Recommended Actions
Fuel Injector Seals
Look for signs of damage to the seals for the fuel injectors. Replace any seals that are leaking.Fuel Injector Tip
Look for signs of damage to the fuel injectors. Check the fuel injector tip for cracks or breakage. If necessary, replace the unit injectors.Fuel Transfer Pump Seal
Check for fuel leakage around the shaft seal for the fuel transfer pump. Ensure that the weep hole is not plugged. If necessary, repair the fuel transfer pump or replace the fuel transfer pump.