VW Code 29840
29840 Description And Summary : |
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This code were stamped on VW Engine case o2 sensor reference voltage bank 2 sensor 1, performance retarded timing position, the engine might refuse to start activation, intake manifold runner bank 1 control, range / performance and wait then sensor 3 for intake air temperature (g520), signal low is the final reason of the code. |
29840 Possible Causes:
29840 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Reverse Input Circuit
- Glow Plug/Heater Circuit 'A' Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 29840 Code
- Inspect all the connections fuel pump "b" control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns