Ford Freestar P0136: O2 Sensor Circuit Malfunction (Bank 1 – Sensor 2)
P0136 is a common OBDII code that occurs in the Ford Freestar. It is typically caused when the O2 Sensor voltage is not within normal operating range. Bank one will be the side of the engine with cylinder 1 in the firing order. Ford Freestar P0136 Symptoms Often, the only symptom of P0136 … Read more