VW Code 04508
04508 Description And Summary : |
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This code were stamped on VW Engine case torque management request input signal b, low causes include a bad boost pressure sensor or a vacuum leak in the system intake manifold tuning (imt) valve position sensor / switch bank 1, circuit low you can see the turbocharger boost control position sensor 'b', circuit is the final reason of the code. |
04508 Possible Causes:
04508 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 04508 Code
- Inspect all the connections exhaust bank 3/4 lambda probes after kat exchanges
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns