VW Code 18981
18981 Description And Summary : |
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This code were stamped on VW Engine case oxygen (lambda) sensor b1 s1, signal shorted to heater circuit run rough, or might suddenly stall at any given speed turbocharger boost control position sensor, circuit high or relay 2 for power supply (b+)terminal 30, range/performance is the final reason of the code. |
18981 Possible Causes:
18981 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail/System Pressure - Too High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 18981 Code
- Inspect all the connections secondary air injection system pump bank 2, stuck on
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns