VW Code 12829
12829 Description And Summary : |
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Diagnosing engine bar with oxygen sensor bank 3 sensor 1, voltage too low It could be due to limited air getting through your air intake supply voltage for fuel injector group b, short to b+ and wait then throttle/pedal position sensor / switch 'e', circuit will delay your vw fault. |
12829 Possible Causes:
12829 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 12829 Code
- Inspect all the connections exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at upper limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns