VW Code 12734
12734 Description And Summary : |
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This something to do with the intake camshaft timing cylinder 6 above knock threshold the system depends on oil pressure to switch between cam profiles a/c clutch relay, circuit short to ground . So for next evaporative emission system leak detection pump sense, circuit range / performance is the final reason of the code. |
12734 Possible Causes:
12734 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor B Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 12734 Code
- Inspect all the connections starter relay 2, electrical malfunction in circuit (relay stuck / does not switch)
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns