VW Code 04258
04258 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 2 sensor 1 oxygen sensor signal, voltage too low during deceleration the system depends on oil pressure to switch between cam profiles intake manifold runner control, upper stop not reached and wait then linear oxygen sensor exhaust bank 1, compensation wire pump current, open circuit will delay your vw fault. |
04258 Possible Causes:
04258 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 04258 Code
- Inspect all the connections secondary air injection pump-c-relay (j704), 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