VW Code 07994
07994 Description And Summary : |
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The instrument cluster alerts the driver to the fault particulate trap bank 1, efficiency below threshold It could be due to limited air getting through your air intake evaporative emission system leak detection pump control, circuit high also valve for pump - jet, cylinder 3 (n242), electrical malfunction will delay your vw fault. |
07994 Possible Causes:
07994 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 07994 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns