P0251
Injection Pump Fuel Metering Control A (Cam/Rotor/Injector)
2009-2013 Audi A3 2.0L TDI
High SeverityPowertrainGeneric (SAE)
Description
Malfunction in the diesel injection pump fuel metering control.
Symptoms
- Check Engine Light
- Rough running
- Excessive smoke
- Poor power
Common Causes
- Injection pump failure
- Fuel metering valve stuck
- Wiring issue
- Contaminated fuel
Diagnostic Steps
- Test fuel metering valve
- Check wiring
- Inspect injection pump
- Test fuel quality
Repair Notes
Service or replace injection pump. Common in diesel engines.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0251 on Other Vehicles
Common Questions
What does code P0251 mean on a 2009-2013 Audi A3?
P0251 stands for "Injection Pump Fuel Metering Control A (Cam/Rotor/Injector)". Malfunction in the diesel injection pump fuel metering control.
What are the symptoms of P0251 on a Audi A3?
Common symptoms of P0251 include: Check Engine Light, Rough running, Excessive smoke, Poor power.
What causes P0251 on a 2009-2013 Audi A3?
Common causes of P0251 include: Injection pump failure, Fuel metering valve stuck, Wiring issue, Contaminated fuel.