VW Code 06734
06734 Description And Summary : |
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Staring in engine system too lean at higher load, bank 1 it can suddenly lead to a significantly more ignition coil 'h' secondary circuit, malfunction also oxygen (lambda) sensor b3 s1, heater return coupling is the final reason of the code. |
06734 Possible Causes:
06734 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ambient Air Temperature Sensor Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 06734 Code
- Inspect all the connections secondary air injection valve 3 (n384), circuit open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns