Troubleshooting
Smoke
Posted by Service Kinugawa on
Possible Cause   Possible Remedy Fuel injection pump or fuel injectors incorrectly set   Refer to engine manufacturer's manual and replace or adjust faulty components Wastegate mechanism set incorrectly  Contact United Fuel Injection for correct setting details Dirty air cleaner  Clean or replace element according to manufacturer's recommendations Restricted compressor intake duct  Remove restriction or replace damaged parts as required Air leak in feed from compressor to intake manifold  Replace seals, gaskets or tighten fastners as required Air leak beween intake manifold and engine  Refer to engine manufacturer's manual and replace gaskets or...
Turbocharger Noisy
Posted by Service Kinugawa on
Possible Cause   Possible Remedy Excessive dirt build up on compressor wheel and/or diffuser vanes  Clean in accordance with details/instructions from Steve Boyle at UFI Turbocharger damaged  Find and correct cause of failure, repair or replace turbocharger as necessary Failed diaphragm  Replace using correct actuator service kit Leaking hose  Replace hose and clips Wastegate mechanism set incorrectly  Contact United Fuel Injection for correct setting details Restricted compressor intake duct  Remove restriction or replace damaged parts as required Restricted air duct from compressor to intake manifold  Remove restriction or replace damaged parts as...
Poor Transient Response Smoke
Posted by Service Kinugawa on
Possible Cause   Possible Remedy Fuel injection pump or fuel injectors incorrectly set   Refer to engine manufacturer's manual and replace or adjust faulty components Seized valve  Free valve/replace complete turbine housing sub-assembly Wastegate mechanism set incorrectly  Contact United Fuel Injection for correct setting details Dirty air cleaner  Clean or replace element according to manufacturer's recommendations Restricted compressor intake duct  Remove restriction or replace damaged parts as required Restricted air duct from compressor to intake manifold  Remove restriction or replace damaged parts as required Restricted intake manifold  Refer to engine manufacturer's manual...
Oil Leak from Turbine Seal
Posted by Service Kinugawa on
Possible Cause   Possible Remedy Restricted engine crankcase breather   Refer to engine manufacturer's manual, clear restriction Turbocharger bearing housing sludged or coked   Change engine oil and oil filter, overhaul or replace turbocharger as required Worn engine piston rings or liners  Refer to engine manufacturer's manual and repair as required Burnt valves and/or pistons  Refer to engine manufacturer's manual and repair as required Excessive dirt build up on compressor wheel and/or diffuser vanes  Clean in accordance with details/instructions from Steve Boyle at UFI Turbocharger damaged  Find and correct cause of failure, repair...
Oil Leak from Compressor Seal
Posted by Service Kinugawa on
Possible Cause   Possible Remedy Restricted engine crankcase breather   Refer to engine manufacturer's manual, clear restriction Turbocharger bearing housing sludged or coked   Change engine oil and oil filter, overhaul or replace turbocharger as required Worn engine piston rings or liners  Refer to engine manufacturer's manual and repair as required Burnt valves and/or pistons  Refer to engine manufacturer's manual and repair as required Excessive dirt build up on compressor wheel and/or diffuser vanes  Clean in accordance with details/instructions from Steve Boyle at UFI Turbocharger damaged  Find and correct cause of failure, repair...