Code P0130 - Heated Oxygen Sensor (Front Sensor) Circuit: Condition
WARNING: This page is about a different car, the 1995 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Code is set when front oxygen sensor voltage remains at .40-.55 volt during idle, once engine is at normal operating temperature. Possible causes are:
- Heated oxygen sensor.
- Fuel trim malfunction.