Black Exhaust
January 07, 2021| Possible Cause | Possible Remedy | |
| Fuel injection pump or fuel injectors incorrectly set | Refer to engine manufacturer's manual and replace or adjust faulty components | |
| Engine valve timing incorrect | Refer to engine manufacturer's manual for correct settings and adjust | |
| 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 Kinugawa Turbo Systems | |
| Turbocharger damaged | Find and correct cause of failure, repair or replace turbocharger as necessary | |
| 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 and remove restriction | |
| 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 tighten fastners | |
| Foreign object in exhaust manifold (from engine) | Refer to engine manufacturer's manual and remove obstruction | |
| Restricted exhaust system | Remove restriction or replace damaged parts as required | |
| Exhaust manifold cracked, gaskets blown or missing | Refer to engine manufacturer's manual and replace gaskets or damaged parts | |
| Gas leak at turbine inlet/exhaust manifold joint | Replace gasket or tighten fasteners as required |