Mazda 6 Engine Lean

I Have A2008 Mazda 6. I Took It To The Shop To Get A Diagnoses And It Said My Car Was Running To Lean In The Right Side.what Do I Do Now My...

Bought This Car From A Friend. I've Had It For Around 6 Months Now. It Had Sat For Approximately 2 Years Unused Prior To Purchase. It...

Every Thing Passes Just Fine Except The Oxygen Level. Its Running To Lean. I Am Not Sure What To Do Or How To Fix It. According To The...