LEAN Questions

I Have Had An On-going Problem With My Expedition That Is Kind Of Irritating. I Live At 4600' In Elevation And Work At 100' In Elevation...

Engine Performance Problem 1992 Toyota Celica 4 Cyl Front Wheel Drive Automatic My Check Engine Light Comes On Around 55 Mph And Goes...

Car Runs Lean At Part Throttle When Cruising On The Highway Or Accelerating Moderately Like From A Stop Or Just Wanting To Speed Up A Little...

2001, Lincoln Ls, 3.0 V6 Stalls. Computer Reads Bank 1 Lean. I Have Changed The 2 Front O2 Sensors And All 4 Intake Manifold Gaskets....

Hello I Have A 1998 Ranger 4x4 Auto With The 4.0 And For The Last 2 Months I Keep Getting A Code Of P171 And P174 Saying Bank 1 And Bank 2...

Engine Code Po170 Po171 To Lean Bank 1 To Lean Bank 2 What Can Cause This Condition ?? Engine Code Po300 Multiple...

I Am Testing And Bought A Gas Saver And It Is Connected From The Brake Booster To Engine Intake. After 4 Months With Gas Saving Check Engine...

I Have A 2013 Base Paceman With 80,000 Km On It. Since It's Gotten Cold Here, It's Giving Me A P2177, System Too Lean Off Idle Bank...

My Check Engine Light Came On, I Took It To A Friend And Scaned It Bank1 And Bank2 Came On The Screen It Said Fuel Was To Rich So Someone...

My 02 Sensors Are Not Reading Causing My Car To Run Lean. What Could It Be.