VW Code 13128
13128 Description And Summary : |
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Staring in engine reductant injection valve bank 2 unit 2, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 1/2 lambda probes before kat exchanges . On the other hand glow plug control module 2 (j703), electrical malfunction is the final reason of the code. |
13128 Possible Causes:
13128 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor A Circuit Low Input
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 13128 Code
- Inspect all the connections exhaust gas temperature sensor, bank 2 sensor 5, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns