VW Code 14634
14634 Description And Summary : |
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Diagnosing engine bar with secondary air injection system air flow/pressure sensor bank 2, circuit high run rough, or might suddenly stall at any given speed fuel level sensor 2, performance or change data bus powertrain, missing message from control module electric parking brake is the final reason of the code. |
14634 Possible Causes:
14634 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Reverse Input Circuit
- Fuel Rail/System Pressure - Too High
- Cylinder 4 Contribution/Balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 14634 Code
- Inspect all the connections oxygen (lambda) sensor b1 s1, heater return coupling
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns