I want to legalize the ITR swap in my 1988 CRX. In order to do that, I need to use a USDM P73 ECU, which means (among other things) running a post-cat oxygen sensor. The problem is that the CRX was never designed to run a post-cat sensor. And there simply isn’t enough room for (say) your typical Denso four wire sensor. Are there any shorter sensors available that might work? I have found some for other makes (ie GM, Mini, etc). But I’m not sure how compatible they would be with a Honda ECU.
StorminMatt
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