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My car is due for a CA STAR smog check and I want to seafoam it before going. I have a relatively new Denso O2 sensor in less than 4000 miles. Would seafoaming ruin my O2 sensor? I am putting in my good old plugs and wires to do the seafoam then put my new Denso plugs and wires back in after.
Thanks. :woohoo:
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