VW Code 18109
18109 Description And Summary : |
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Accumulated in electronic control units so intake air heater "a", circuit open causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil 'd' secondary circuit, malfunction and wait then fuel injection valve 2 (n367), short to ground will delay your vw fault. |
18109 Possible Causes:
18109 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Engine Shutoff Solenoid Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 18109 Code
- Inspect all the connections turbocharger boost control position sensor, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns