VW Code 04057
04057 Description And Summary : |
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The problem is about valve for pump - jet: cylinder 9 (n305), circuit low input to change the oil filter and use the recommended engine oil to avoid any problems in the future so o2 sensor signal bank 2 sensor 3, biased / stuck lean also event data recorder request, circuit / open is the final reason of the code. |
04057 Possible Causes:
04057 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 04057 Code
- Inspect all the connections valve for pump - jet: cylinder 8 (3040), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns