P CODES (POWERTRAIN) P0100 - P0199 P0171 Questions

Computer Problem 1998 Ford F150 V8 Four Wheel Drive Automatic I Am Getting A Trouble Code Of Po171(system Adaptivefuel Too Lean) (bank...

Just Wondering What Is Making My Car Run As Bad As It Is. 1999 Chevy Cavalier Error Codes Po171 And Po300

Car Hesatates When It Is Cold No Power Then It Run Fair A Skip Once In A Wile.idels Good,run Fair, New Wires Spark Plugs Clean Throdel Body...

Engine Light Came On Code Was P0171 System Lean Bank One. What Does This Mean? Is It Vacuum Related Oxygen Sensor? Where Should I Look?

I Just Failed My Emission Test And Have Purchased A Computer To Read The Codes And To Reset Them. I Had Them Reset, But I Am Not "ready"...

I Changed The Spark Plugs And Now Am Getting A P0171 Trouble Code. I Have Douple Checked The Connections Running From The Air Filter To The...

Hi I Have A Ford Expedition 4.6 Triton . My Problem Is Its Burning The Gas To Lean Error P0171 Is What The Scanner Is Reading . I've Tried...

Car Keeps Setting A P0171 Code And P0507 Code. Runs Fine Until Warmed Up-then Idle Will Slowly Go Up To 1450 And Then Fall Back To 800rpm....

I Got A 98 Ford Expedition And The Check Engine Light Came On And The Guy At Auto Zone Check It And The Code Was P0171 And Po174 I Think He...

My Service Engine Soon Light Comes On Occasionally And Has Stored The Code P0171. I Can,t Find Any Vacuum Leaks And The Vehicle Has...