Im new to this forum and first off whats up everybody. ok so i have a problem and any help would be appriciated. ive been coming to this forum for a while to find help with little problems here and there, so ive done the research and cant find anything. i have a 94 gsr. a couple of weeks ago i installed a vtec controller. the problem is that when i smash the throttle, go into vtec which is set at 5500, when i come out of vtec the check engine light comes on. not always. its very random. the weird thing is when i turn the car off and start it again the check engine light isnt on anymore. i dont notice any real serious performance drop except for when the light is on i cant go past 6500 rpm. any help. please