April 15, 200520 yr http://mymiata.paladinmicro.com/Miata4-WireO2.htm#O2SensorTesting This site describes how to test an oxygen sensor. Basically, heat it up, adjust the amount of oxygen while watching the voltage. I haven't tried it, but I hope you find it useful.
April 15, 200520 yr http://mymiata.paladinmicro.com/Miata4-WireO2.htm#O2SensorTestingThis site describes how to test an oxygen sensor. Basically, heat it up, adjust the amount of oxygen while watching the voltage. I haven't tried it, but I hope you find it useful. Forget it, get an OBD2 interface and test it in situ with the engine running! Safer and less work involved.
April 15, 200520 yr Author True, but that requires $55 and a laptop. Though the in situ testing would be a huge advantage.
April 16, 200520 yr Man, If I had a fairly high mileage vehicle, I wouldn't go to the trouble to pull it out just to test it. I would R square it with a new one.
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