red side

Fog-like Exhaust In Full-Load Range

Fog-like Exhaust In Full-Load Range (white or blue)

Possible Cause


Possible Remedy

Air in fuel system


Bleed fuel system, eliminate air leaks

Tank empty or tank vent blocked


Fill tank/bleed system, check tank vent

Fuel filter blocked


Replace fuel filter

Injection lines blocked/restricted


Drill to nominal I.D. or replace

Paraffin deposit in fuel filter


Replace filter, use winter fuel

Pump-to-engine timing incorrect


Readjust timing

Injection sequence does not correspond to firing order


Install fuel injection lines in the correct order

Timing device defective


Repair or replace timing device

Fuel injection pump defective or cannot be adjusted


Remove pump and service


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