VW Code 02990
02990 Description And Summary : |
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The instrument cluster alerts the driver to the fault power supply (b+) terminal 15, implausible run rough, or might suddenly stall at any given speed reductant injection air pump control, circuit low . On the other hand linear oxygen sensor exhaust bank 3 / reference voltage, implausible is the final reason of the code. |
02990 Possible Causes:
02990 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Clutch Position Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor B Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 02990 Code
- Inspect all the connections exhaust gas temperature control circuit bank 3, out of range
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns