Here's a production car with a wide band O2 sensor 92-95 Honda Civic 1.5 VTEC O2 sensor PN 36531-P07-003 Here's a website http://www.alltrac.net/tuning/afgauge.html#diy >From: Joe Stewart <jstewart@eCompanyStore.com> >No production cars are. (That's wide band, not range.)