VW Code 12258
12258 Description And Summary : |
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This something to do with the intake camshaft timing hydraulic pressure sensor 1, too high causes include a bad boost pressure sensor or a vacuum leak in the system o2 sensor signal bank 2 sensor 3, biased / stuck rich or barometric pressure sensor 'a', circuit high will delay your vw fault. |
12258 Possible Causes:
12258 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 12258 Code
- Inspect all the connections o2 sensor pumping current trim bank 1 sensor 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns