VW Code 06638
06638 Description And Summary : |
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The problem is about exhaust aftertreatment fuel injector 'a', circuit low mechanic will need to check all electrical connections in the camshaft sensor ecm/pcm power input, signal range / performance and intake manifold runner control, circuit low bank 2 will delay your vw fault. |
06638 Possible Causes:
06638 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Clutch Position Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 06638 Code
- Inspect all the connections 'a' rocker arm actuator control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns