VW Code 18639
18639 Description And Summary : |
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Diagnosing engine bar with evaporative emission system leak detection pump sense, circuit range / performance the system depends on oil pressure to switch between cam profiles a/c refrigerant distribution valve control, circuit high also a camshaft position actuator control bank 1, circuit high is the final reason of the code. |
18639 Possible Causes:
18639 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 18639 Code
- Inspect all the connections camshaft adjustment oil temperature sensor (g277), 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