Left key in accessory position to tow vehicle so wheel would not lock. Now I have a check engine light and cannot clear it by disconnecting battery and cannot get codes out when jumper is in place at fuse block check engine light just stays on. Starts good cold but has developed a flooded engine issue when hot other than that seems to run ok. Engine is a 1.3 fuel injected TBI and I replaced computer one year ago with a Trail Tuff rebuild. Don't know where to start to try to diagnose. Thanks for any help or ideas on where to start.