Check this site to check your own codes: http://www.c-speedracing.com/faq/06.html

Then you can go here to figure out what those codes mean: http://www.c-speedracing.com/faq/05.html

You may also want to reset your ECU before you check the codes. It may just be an error within the ECU and it needs to be reset to cycle the problem out. Check this link to learn how to reset the ECU: http://www.c-speedracing.com/faq/02.html

If you reset it and you still have the problems, post up the codes and we'll see what we can do to help you fix them.

Good luck man!