VW Code 12990
12990 Description And Summary : |
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Diameter in engine actuator supply voltage 'c', circuit high run rough, or might suddenly stall at any given speed secondary air injection valve 3 (n384), circuit short to b+ also ignition coil cylinder 15, low circuit is the final reason of the code. |
12990 Possible Causes:
12990 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 12990 Code
- Inspect all the connections starter does not run, mechanically blocked or mechanical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns