VW Code 18648
18648 Description And Summary : |
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Diagnosing engine bar with idle speed control throttle position 2, electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system pressure control solenoid 4 (n218), electrical malfunction also evaporative emissions (evap) fuel vapour temperature sensor, circuit low voltage will delay your vw fault. |
18648 Possible Causes:
18648 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Reverse Input Circuit
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 18648 Code
- Inspect all the connections throttle/pedal position sensor 'c', maximum stop performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns