Check to see if you may have hit the plug on the air flow meter or if any water may have gotten into it at all.

Similar thing with mine when I got it, chased my tail for ages and it turned out to be quite a simple (but expensive) fix...


1997 Sportage - Extended forks, Dobinsons 2 inch front lift coils, rear Dobinsons TJ lift coils, GME UHF, $8 bullbar (I love eBay!)
2001 HZJ78 Troopcarrier - 2 inch lift, extended shocks, Ex Mine vehicle. Still has yellow reflective stripe! - GONE
2011 Toyota Aurion - For the wife!