***Note*** Be careful hooking up power and ground to the heater circuit of newer air fuel ratio sensors, some new ones can not take a solid power and ground, they are pulse width driven by the PCM ONLY***
Oxygen sensor heater circuit codes are a common occurrence on many vehicles. In this video we show you how to quickly and efficiently diagnose a heater circuit fault code. We also share some tips and tricks to replace an oxygen sensor.
Email me at Michael.Becker@WellsVE.com
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