VW Code 12449
12449 Description And Summary : |
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Diagnosing engine bar with intake manifold runner position sensor / switch, circuit low bank 1 causes include a bad boost pressure sensor or a vacuum leak in the system injector cylinder 15 (n392), circuit high . So for next oxygen (lambda) sensor b1 s1, pump current, open circuit is the final reason of the code. |
12449 Possible Causes:
12449 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Injector Circuit Malfunction - Cylinders
- Engine Shutoff Solenoid Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 12449 Code
- Inspect all the connections secondary air injection system control 'b', circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns