VW Code 12454
12454 Description And Summary : |
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Diagnosing engine bar with secondary air injection system air flow/pressure sensor bank 2, circuit range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so evaporative emission system leak detection pump sense, circuit intermittent / erratic and wait then malfunction indication light (k83), short to ground is the final reason of the code. |
12454 Possible Causes:
12454 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Injector Circuit Malfunction - Cylinders
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 12454 Code
- Inspect all the connections butterfly valve control unit 2 (j544), of mechanical errors
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns