VW Code 14638
14638 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 3/4 lambda probes before kat exchanges run rough, or might suddenly stall at any given speed a/c refrigerant distribution valve control, circuit low you can see the fuel mixture control adjustment range 2, lower limit not reached is the final reason of the code. |
14638 Possible Causes:
14638 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Cylinder 10 Contribution/balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Engine Shutoff Solenoid Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 14638 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / pump current, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns