Nexpeak Tech via Amazon offers its Nexpeak OBD II Diagnostic Car Scanner for $65.99. Coupon code "NEUSDN07" cuts it to $46.19. With free shipping, that's tied with our May mention and and about $37 less than most eBay sellers charge. It includes vehicle error codes from 1996 or newer US-based gas or diesel vehicles, as well as free lifetime software updates. Deal ends July 30.