VW Code 13934
13934 Description And Summary : |
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Diagnosing engine bar with secondary air injection pump-d-relay (j705), circuit electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3, probe 2 signal too slowly or coolant (fc) fan control module (j293), malfunction will delay your vw fault. |
13934 Possible Causes:
13934 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cold Start Injector 1 Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 13934 Code
- Inspect all the connections o2 sensor reference voltage bank 1 sensor 1, 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