Smoke

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 engine experts 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 tighten fastners

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