VW Code 02504
02504 Description And Summary : |
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Diagnosing engine bar with please check dtc memory of all wheel drive ecu to change the oil filter and use the recommended engine oil to avoid any problems in the future so intake manifold runner control, circuit low bank 1 or change valve for pump - jet: cylinder 8 (n304), range / performance is the final reason of the code. |
02504 Possible Causes:
02504 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 02504 Code
- Inspect all the connections fuel cap sensor / switch, circuit 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