?!?!sprayed water on engine
that's a 1st for me, never heard that?
Cheapest code reader w/o eBay worries is at Harbor Freight:
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=98568
They get twice a week 10, 15 or 20% off coupons if you sign-up.