I will have to drive the car almost a week with the second cat O2 sensor not working. Long story...
I think this sensor only tells the ECU if the first cat is or is not working properly.
I've already got a CEL. That was to be expected. Is it the only thing the ECU will do or will it try to play with the fuel trim and play havoc with my fuel mileage or worst? For the time being I see no effect on driveability.
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Guest Message by DevFuse
O2 sensor no 2 not working
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