Thread: The Dreaded P0420 Code
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Old 11-13-2008, 10:18 PM   #12 (permalink)
Formula413
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Join Date: Jan 2008
Location: 42*N 72*W
Posts: 505

Sleepwalker - '97 Firebird Formula
90 day: 20.04 mpg (US)

Spock - '92 VN750 Vulcan
90 day: 49.39 mpg (US)

03MX - '03 Civic Hybrid
90 day: 49.04 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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