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Looking on twos r us they state that the mr2 mk2 uses the same O2 sensor as the mr2 mk3 does after the cat.
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http://www.twosrus.com/catalog/product_ ... cts_id=455
Moderators: IMOC Moderators, IMOC Committee Members
frogger wrote:To be honest I'm surprised the mk2 doesn't use a four wire one.