VW Code 12446
12446 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection system pump bank 2, stuck off causes include a bad boost pressure sensor or a vacuum leak in the system valve for pump - jet: cylinder 11 (n307), range / performance or o2 sensor negative current control bank 2 sensor 1, circuit high is the final reason of the code. |
12446 Possible Causes:
12446 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 12446 Code
- Inspect all the connections valve for pump - jet: cylinder 7 (n303), regulation range exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns