VW Code 18993
18993 Description And Summary : |
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Diagnosing engine bar with valve for pump - jet: cylinder 12 (n308), circuit low input It could be due to limited air getting through your air intake transmission mount valve 2 (n263), open circuit or o2 sensor reference voltage bank 2 sensor 1, circuit / open is the final reason of the code. |
18993 Possible Causes:
18993 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 18993 Code
- Inspect all the connections throttle actuator control system, sudden low air flow detected
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns