An OBD2 reader is a useful tool to have. In my first 8000 miles on my 2016 V-10 in my Axis, I had the engine light come on three times - always in high humidity conditions and after a heavy rain. The OBD2 gave me the same code for a CO2 sensor - and allowed me to zero out the engine light. It hasn’t happened in the last 16000 miles. I also have used the OBD2 to check and reset the engine check light in my Miata. Great peace of mind and time saver on the road or, if it continues to happen, that something really is wrong and needs to be looked at.
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