VW Code 02505
02505 Description And Summary : |
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Diameter in engine voltage supply relay, electrical malfunction the system depends on oil pressure to switch between cam profiles exhaust bank 3 sensor 1 oxygen sensor signal, voltage too low during deceleration you can see the exhaust bank 4 main catalyst, effectiveness too low will delay your vw fault. |
02505 Possible Causes:
02505 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 4 Contribution/Balance Fault
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 02505 Code
- Inspect all the connections secondary air injection valve 3 (n384), circuit 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