red side

Low Power

Low Power


Possible Cause

   

Possible Remedy

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

Governor misadjusted or defective

 

Readjust or repair

Fuel injection pump defective or cannot be adjusted

 

Remove pump and service

Fuel-suppy lines blocked-restricted

 

Test all fuel supply lines - flush or replace

Loose connections, injection lines leak or broken

 

Tighten the connection, eliminate the leak

Pump-to-engine timing incorrect

 

Readjust timing

Injection nozzle defective

 

Repair or replace

Engine air filter blocked

 

Replace air filter element

Injection sequence does not correspond to firing order

 

Install fuel injection lines in the correct order

Maximum speed misadjusted

 

Readjust maximum speed screw

Overflow valve defective or blocked

 

Clean the orifice or replace fitting

Timing device defective

 

Repair or replace timing device

Low or uneven engine compression

 

Repair as necessary

 

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