i recently bought a 2000 ek hatch with 99 gsr guts the owner did the obd 1 swap and its chipped, but recently i had to do smog in washington just obd2 scan test pass easy. But when i drove down the street i swap out the obd 2 for the obd 1 and i got a check engine light! so help me out please the things thats unpluged is the evap can. and a hose from the evap purge sol. i have a skunk2 in. man. if that helps? oh yeah idle is fine (700-750) but idle gets stuck when im pulling to a stop light around (1500-2000) then drops to normal (700-750) i plugged the hose for loose hanging evap purge hose........help all i need mainly is the DTC #10 thanks