VW Code 19748
19748 Description And Summary : |
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Diameter in engine linear oxygen sensor exhaust bank 4 / reference voltage, short to b+ run rough, or might suddenly stall at any given speed coolant fan control 1: open or short to ground or change ignition coil 'k' secondary circuit, malfunction is the final reason of the code. |
19748 Possible Causes:
19748 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Turbocharger Boost Sensor A Circuit Low
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 19748 Code
- Inspect all the connections engine coolant temperature sensor 2 (g83), circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns