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Starting Problem

Starting Problem

Possible Cause


Possible Remedy

Improper fuel (gasoline) in tank


Drain tank, flush system, fill with proper fuel

Tank empty or tank vent blocked


Fill tank/bleed system, check tank vent

Air in the fuel system


Bleed fuel system, eliminate air leaks

Voltage supply malfunction/stop solenoid defective


Correct electrical faults/replace stop solenoid

Fuel filter blocked


Replace fuel filter

Injection lines blocked/restricted


Drill to nominal I.D. or replace

Fuel-supply lines blocked-resticted


Test all fuel supply lines - flush or replace

Loose connections, injection lines leak or broken


Tighten the connection, eliminate the leak

Paraffin deposit in fuel filter


Replace filter, use winter fuel

Pump-to-engine timing incorrect


Readjust timing

Pre-heating system defective


Test the glow plugs, replace as necessary

Injection sequence does not correspond to firing order


Install fuel injection lines in the correct order

Cold-start device malfunction


Check cold-start mechanism

Low or uneven engine compression


Repair as necessary

Fuel injection pump defective or cannot be adjusted


Remove pump and service


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