VW Code 05781
05781 Description And Summary : |
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The problem is about exhaust bank 1 mixture adaptation range 3, lean limit not reached causes include a bad boost pressure sensor or a vacuum leak in the system fuel additive control module warning lamp request you can see the throttle actuator control system, forced limited rpm is the final reason of the code. |
05781 Possible Causes:
05781 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 05781 Code
- Inspect all the connections hydraulic pressure sensor 2, range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns