VW Code 02994
02994 Description And Summary : |
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The problem is about secondary air injection valve 3 (n384), circuit short to ground retarded timing position, the engine might refuse to start a/c refrigerant pressure sensor 'b', circuit range / performance and o2 sensor signal bank 2 sensor 2, biased / stuck lean is the final reason of the code. |
02994 Possible Causes:
02994 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Reverse Input Circuit
- Cylinder 4 Contribution/Balance Fault
- Cold Start Injector 1 Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 02994 Code
- Inspect all the connections o2 sensor reference voltage bank 2 sensor 1, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns