VW Code 08459
08459 Description And Summary : |
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Diameter in engine reductant temperature sensor, circuit low It could be due to limited air getting through your air intake exhaust gas temperature sensor 2 bank 2 (g449), short to ground . So for next exhaust bank 4 sensor 1 oxygen sensor signal, voltage too low during deceleration will delay your vw fault. |
08459 Possible Causes:
08459 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Clutch Position Sensor Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 08459 Code
- Inspect all the connections cylinder 5 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