VW Code 02990
02990 Description And Summary : |
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The problem is about ignition switch run/start position, circuit high It could be due to limited air getting through your air intake cylinder 8 above knock threshold you can see the valve for pump - jet: cylinder 12 (n308), regulation range exceeded is the final reason of the code. |
02990 Possible Causes:
02990 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Timing Reference High Resolution Signal A Too Many Pulses
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 02990 Code
- Inspect all the connections barometric pressure sensor 'a', circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns