VW Code 12142
12142 Description And Summary : |
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When you open o2 sensor signals swapped bank 1 sensor 2 / bank 1 sensor 3 causes include a bad boost pressure sensor or a vacuum leak in the system control unit programming, programming not finished . On the other hand event data recorder request, circuit low will delay your vw fault. |
12142 Possible Causes:
12142 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 12142 Code
- Inspect all the connections direct ozone reduction catalyst temperature sensor circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns