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Originally Posted by anziani
Arthur,
Thank you so much for your help. We have a new O2 sensor but had not installed it yet. Lucky coincidence. Will install next week.
Neil Mahony
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Good ..
Just be aware of the fact that a 02 heater code does not mean you have a bad sensor.. it means the DM computer is not seeing a current draw of proper specifications..which could be anything in that circuit , from a bad heater in the sensor, no power to connector, etc..
You may want to do an ohms test on the new one and compare it to the old for heater ohms verification [ along with a ground test]