red side

Rough idle when engine is warm

Rough Idle when Engine is Warm


Possible Cause

   

Possible Remedy

Improper fuel (gasoline) in tank

   

Drain tank, flush system, fill with proper fuel

Air in the fuel system

   

Bleed fuel system, eliminate air leaks

Pump rear support bracket loose

 

Replace as necessary

Injection nozzle defective

 

Replace or repair

Injection sequence does not correspond to firing order

 

Install fuel injection lines in the correct order

Low or uneven engine compression

 

Repair as necessary

Fuel injection pump defective or cannot be adjusted

 

Remove pump and service

 

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