VW Code 15858
15858 Description And Summary : |
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When you open exhaust bank 4, sensor 1, signal too slowly it can suddenly lead to a significantly more o2 sensor out of range during deceleration bank 1 sensor 1 or direct ozone reduction catalyst deterioration sensor, circuit high will delay your vw fault. |
15858 Possible Causes:
15858 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 15858 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