PLEASE EXPLAIN TO ME THE CODES, AND HOW TO ACCESS THEM SO THAT I CAN GET HELP FROM A PARTS STORE.
you would need a code reader here is a inexpensive one available at www.harborfreight.com
the obd2 connector is located under the drivers dash you will need a code reader to access codes
THE CODE READER STATED THAT #4 CYLINDER IS MISFIRING. IS THIS
A BAD SPARKPLUG?