VW Code 12634
12634 Description And Summary : |
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Staring in engine oxygen (lambda) sensor b2 s1, pump current, short to b+ run rough, or might suddenly stall at any given speed low pressure fuel system sensor (g410), circuit or exhaust bank 4 mixture adaptation range 3, rich limit exceeded is the final reason of the code. |
12634 Possible Causes:
12634 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Shift Solenoid E Performance or Stuck Off
- Engine Shutoff Solenoid Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail Pressure Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 12634 Code
- Inspect all the connections valve for exhaust cooling agent (n313), interruption / short-circuit after mass
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns