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P0251 - Fuel Injection Pump feedback circuit
P0252 - Fuel Injection Pump fuel valve stuck
P1688 - Internal Fuel Injection Pump Controller Failure
These are the 'death' codes for the VP 44. You more than likely need a new VP44.
Also, Welcome.
P0252 - Fuel Injection Pump fuel valve stuck
P1688 - Internal Fuel Injection Pump Controller Failure
These are the 'death' codes for the VP 44. You more than likely need a new VP44.
Also, Welcome.






