Ford P0136 OBD-II Trouble Code Definition: P0136 HO2S12 Sensor Range/Performance Condition P0136 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0136 O2 Sensor Circuit What does the code mean? OBD-ii Code P0136 definition: Essentially the same as P0137, a P0136 code definition:the second oxygen sensor on Bank 1. The O2 oxygen sensor produces a voltage between .1 […]