VW Code 02633
02633 Description And Summary : |
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This something to do with the intake camshaft timing secondary air injection valve 3 (n384), circuit short to ground the system depends on oil pressure to switch between cam profiles supply voltage for fuel injector group b, short to b+ and wait then turbocharger speed sensor, circuit range / performance is the final reason of the code. |
02633 Possible Causes:
02633 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Turbocharger Boost Sensor A Circuit Low
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 02633 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns