my car runs fine until check engine come on with this codes:

1) 16 - Fuel Injector
2) 43 - Fuel Supply System

my car runs fine but sometime is slow for a minute and come back to normally and every time a turn off my car check engine ligth go off (now check engine ligth dont come on everytime), please i'll be very glad if any of u guys can help me.... thanks

 

Check out your injectors, clean them. Check your fuel filter, replace it if needed. If its still give your problems make sure your fuel pump is working okay. If that still doest help try getting a new main relay. That should help your problem.

 

thanks bro