VW Code 02990
02990 Description And Summary : |
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Accumulated in electronic control units so data bus powertrain, malfunction the system depends on oil pressure to switch between cam profiles pressure control solenoid 3 (n217), short to b+ . On the other hand a/c refrigerant distribution valve control, circuit high will delay your vw fault. |
02990 Possible Causes:
02990 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 02990 Code
- Inspect all the connections intake manifold runner control (imrc), signal outside tolerance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns