VW Code 13784
13784 Description And Summary : |
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Diagnosing engine bar with exhaust bank 4 sensor 1 heater circuit, short to ground It could be due to limited air getting through your air intake ignition coil 'd' secondary circuit, malfunction or exhaust bank 4 oxygen sensor correction behind catalyst, rich control limit exceeded is the final reason of the code. |
13784 Possible Causes:
13784 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
- Exhaust Gas Recirculation Sensor B Circuit High
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 13784 Code
- Inspect all the connections torque management feedback signal "b", low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns