VW Code 29643
29643 Description And Summary : |
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Staring in engine o2 sensor signal bank 1 sensor 1, biased / stuck lean It could be due to limited air getting through your air intake intake manifold runner position sensor / switch, circuit low bank 2 . So for next ignition coil 'h' primary control, short to plus will delay your vw fault. |
29643 Possible Causes:
29643 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Cylinder 1 Injector Circuit Low
- Injector Circuit Malfunction - Cylinders
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 10 Contribution/balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 29643 Code
- Inspect all the connections fuel injection valve 3 (n368), 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