Q&A

 Rookie

my mazda tribute has been a good car till now, i parked it as usual went to start it the next morning and would not catch would just crank and crank i noticed the upper plenum was busted so i changed it and new gaskets after that it started but ran with a really bad skip so i borrowed a friends code scanner and it said number one and two cylinders not firing so changed plugs still not firing so i changed coil packs for those cylinders and figured i got everything covered well code still says one and two not firing anyone have ideas what else i can try??? i would appreciate any help
can also send help emails to handyman7398@yahoo.com
thank you