P28 bypasses O2 sensor so...???
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Joined: Nov 2002
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From: PASADENA, CA
P28 bypasses O2 sensor so...???
Since the reprogrammed p28 ecu or stock ecu bypasses the Oxygen sensor, could I just plug the bung on the header and take the O2 sensor out? Open up that secondary pipe a little?
Honda-Tech Member
Joined: Feb 2003
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From: Margaritaville
Re: P28 bypasses O2 sensor so...??? (VtecDA9)
It doesn't use the secondary O2 sensor (the one after the catylic converter), not the primary O2 sensor in the headers, it still uses that one.
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