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Old 11-24-2018, 07:57 AM   #10 (permalink)
Ecky
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Join Date: Dec 2011
Location: New Zealand
Posts: 5,016

ND Miata - '15 Mazda MX-5 Special Package
90 day: 40.51 mpg (US)
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I bought a replacement rear O2 sensor because it was on sale on RockAuto for something like $8, even though my car didn't need it. I tried it out and got a CEL so it clearly wasn't the right one for my car.
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