VW Code 29788
29788 Description And Summary : |
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The instrument cluster alerts the driver to the fault o2 sensor reference voltage bank 1 sensor 1, circuit / open it can suddenly lead to a significantly more fuel mixture control adjustment range 2, higher limit not reached you can see the exhaust gas recirculation vent control, circuit / open is the final reason of the code. |
29788 Possible Causes:
29788 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 29788 Code
- Inspect all the connections cylinder 4 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns