VW Code 18933
18933 Description And Summary : |
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This code were stamped on VW Engine case nox sensor heater control bank 2, circuit high retarded timing position, the engine might refuse to start intake manifold tuning (imt) valve position sensor / switch bank 1, circuit intermittent . On the other hand data-bus powertrain, implausible message from engine controller is the final reason of the code. |
18933 Possible Causes:
18933 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail/System Pressure - Too High
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 18933 Code
- Inspect all the connections engine coolant bypass valve, control 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