VW Code 07129
07129 Description And Summary : |
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When you open signal buzzer activation, short to b+ the system depends on oil pressure to switch between cam profiles linear oxygen sensor exhaust bank 4 / reference voltage, implausible or change shift up/down wire, open / short to ground will delay your vw fault. |
07129 Possible Causes:
07129 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Turbocharger Boost Sensor A Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 07129 Code
- Inspect all the connections exhaust bank 4, sensor 2, no activity
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns