I'm posting for a friend. He has a Lancer GSR and wanted to see if the car is going into closed loop operation. Is there a connector or terminal(like the VR4) where o2 sensor voltage can be read? Thanks
I don't know for sure about the evos - I've a VR4 - it was easy to find.
Have a good look next to the ECU - if there's an unused spade connector in the loom then it's likely to be the O2- put a voltmeter on it and use the ecu earth for the grounding point.
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