Black Exhaust

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

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