Motor Auto Diognastic Light Solutions

Hello friends. I have a 2004 model 206 xt vehicle. The vehicle engine malfunction light came on. I always open the gas and take the same place. I took it to the master, changed the spark plugs of the vehicle. Light turned on again after 1 week. If you have had the same problem, how did you solve it? Bidet sometimes makes the vehicle shake at idle, but for a short duration.

replace petrol filter - have the coil checked. and make the throttle clean, hodja