Engine Error
P0251
Injection Pump Fuel Metering Control A
Severity
High
Symptoms
Hard starting, rough idle, stalling, poor engine performance
Common Causes
- Failed fuel injection pump
- Clogged fuel filter
- Air in the fuel lines
- Faulty fuel metering valve
How to Fix
- 1 Replace or rebuild fuel injection pump
- 2 Replace fuel filter
- 3 Bleed air from fuel system
- 4 Test and replace metering valve
Estimated Repair Cost
USD
$200
–
$2000
Fuel filter: $50; Injection pump replacement: $1,000 - $2,000