VW Code 04634
04634 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection system air flow/pressure sensor bank 2, circuit range / performance the system depends on oil pressure to switch between cam profiles exhaust bank 4, sensor 2 heater circuit, interruption and injector cylinder 14 (n391), circuit low will delay your vw fault. |
04634 Possible Causes:
04634 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 04634 Code
- Inspect all the connections exhaust gas recirculation vent control, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns