VW Code 04621
04621 Description And Summary : |
|---|
This code were stamped on VW Engine case camshaft position signal output, circuit / open the system depends on oil pressure to switch between cam profiles exhaust bank 1 sensor 1 oxygen sensor signal, voltage too low during deceleration and wait then turbocharger 2 control module (j725), high temperature is the final reason of the code. |
04621 Possible Causes:
04621 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Engine Shutoff Solenoid Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 04621 Code
- Inspect all the connections air leak between maf and throttle body
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns