2002 SAAB 9-3 repair Question

First things first there is no 6 cyl 9-3 model year 2002 if your check engine light came on, u will need to get the code read first to find out what is going on with your engine, u can buy a cheap hand held device at places like pep-boys plug in under your d/s dash DLC connector port read code or codes like get back to us here, good luck.