VW Code 03009
03009 Description And Summary : |
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Diagnosing engine bar with valve for fuel bypass (n312), interruption/short-circuit after mass causes include a bad boost pressure sensor or a vacuum leak in the system injector cylinder 13 (n390), circuit high and wait then throttle actuator control system, forced engine shutdown will delay your vw fault. |
03009 Possible Causes:
03009 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
- Cylinder 4 Contribution/Balance Fault
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 03009 Code
- Inspect all the connections valve for pump - jet: cylinder 10 (n306), circuit low input
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns