cxjon
Senior Member
ok my friend picked my up from work after dropping them off at there home i switched my ecu to the correct one ( the cx ecu was making my car bog ) after plugging all the plugs in i started the car up and i now have a cel light showing. when i put the ecu in i did not bolt it back in does that matter? after putting the ecu in i did not undo the battery, does that matter? the car is runnign fine i dont know whats wrong.... i was running the wrong ecu no light correct ecu getting a cel light 
