Mitsubishi Lancer Oxygen Sensor

Took Out O2 Sensor And I Tried Putting The New Oxygen Sensor But It Wont Go Back In I Think Its The Threads How Do I Fix It Or What Do I Do?

I Have An 03 Mitsubishi Lancer 2.0 4cyl And Was Wonder If I Can Punch My Own Hole In The Exhaust Pipe And Put An Insert For An O2 Sensor In...

Computer Problem 1992 Mitsubishi Lancer 4 Cyl Front Wheel Drive Manual 130km Miles Hi Guys, I Need Your Help On Where To Locate The...