VW Code 18129
18129 Description And Summary : |
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The instrument cluster alerts the driver to the fault linear oxygen sensor exhaust bank 4 / pump current, short to ground retarded timing position, the engine might refuse to start exhaust gas temperature sensor bank 2 sensor 2, circuit range / performance . So for next fuel pump "b" control, circuit high will delay your vw fault. |
18129 Possible Causes:
18129 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Cylinder 10 Contribution/balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 18129 Code
- Inspect all the connections valve for pump - jet: cylinder 7 (n303), circuit low input
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns