Thread: The Dreaded P0420 Code
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Old 11-13-2008, 11:18 PM   #12 (permalink)
Formula413
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Join Date: Jan 2008
Location: In the Northeast dreaming of the Southwest
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Aegean C - '17 Honda Civic LX
90 day: 42.4 mpg (US)
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So you EOC with an auto? I'm too worried about transmission internals to try it personally. How long have you being doing it?
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