VW Code 18691
18691 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 3, probe 2 signal too slowly run rough, or might suddenly stall at any given speed nox sensor heater sense bank 2, circuit intermittent also outside temperature sensor 2 (g249), open to b+ will delay your vw fault. |
18691 Possible Causes:
18691 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Clutch Position Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 18691 Code
- Inspect all the connections evaporative emission system switching valve, performance / stuck open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns