Nissan Xterra Engine Revs Up

I Have Already Replaced The Valve Cover Gaskets, Distributor Cap, Rotor, Fuel Filter, Alternator, Starter, And Battery. My Codes Are...

2002 Nissan Xterra Runs Fine In 1st Gear, But Wont Get Over 3000 Rpms In The Next Gear And Not Sure If It Ever Shifts Again. Reverse Runs...

Hello. My 2001 Nissan Xterra (4wd) Has Been Dragging Recently. I Had A Problem Where I Started The Car And When I Shifted It Into Any Gear...