VW Code 15646
15646 Description And Summary : |
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Staring in engine evaporative emission system leak detection pump control, circuit high run rough, or might suddenly stall at any given speed supply voltage for fuel injector group b, short to ground or change a/c request a, circuit high will delay your vw fault. |
15646 Possible Causes:
15646 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Ambient Air Temperature Sensor Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Cold Start Injector 1 Malfunction
- Reverse Input Circuit
What To Check After Fixing 15646 Code
- Inspect all the connections evaporative emissions (evap) fuel vapour temperature sensor, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns