VW Code 12742
12742 Description And Summary : |
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When you open o2 sensor signal bank 1 sensor 3, biased / stuck rich mechanic will need to check all electrical connections in the camshaft sensor ignition coil 'k' primary control, circuit low and valve for pump - jet: cylinder 11 (n307), circuit low input is the final reason of the code. |
12742 Possible Causes:
12742 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Engine Oil Temperature Sensor Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 12742 Code
- Inspect all the connections shift lock, open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns