P0036: The code means that there is a problem with the heater element circuit of the heated oxygen sensor. The control module monitors how long it take the sensor to warm up and start sending an ...

Following the integrated FET or BJT sensor/heater concept found in many recent DIs but instead using fine gauge copper wire.

P0135 – O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1: Oxygen sensors (O2S) or heated oxygen sensors (HO2S) need to reach a minimum operating temperature of 750 degrees Fahrenheit to ...