whitestarlet Posted December 9, 2005 Share Posted December 9, 2005 ON a EP91 SR which wire is the oxygen sensor??? coming from the ECU??? any help appriciated!! he is looking to fit an air to fuel ratio guage!!cheers lads Quote Link to post Share on other sites
starletboy Posted December 9, 2005 Share Posted December 9, 2005 in the downpipe on the exhaust from memory might be wrong Quote Link to post Share on other sites
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