P CODES (POWERTRAIN) P0100 - P0199

I Am Having A Problem With My Saturn L200.I Got The Code Po171.I Have Already Replaced The Oxygen Censor, And The Fuel Filter, But I Am...

2002 Dodge Stratus R/t/ 3.0 Reads Code Po171 Lean On # One Bank. Are There "other" Possibilities, Other Than Injectors, And If So What Are...

I Got The Code Po171 For My Car It Wont Stay On At First I Have To Keep Cranking It Up Before It Will Stay On

After My Check Engine Light Came On, I Went To Autozone And They Told Me The Code Was Po171. After Doing Some Research, I Was Led To...

Live In North Georgia With Insulated Garage. When Engine Cold, Cannot Pull My 35 Degree Short Driveway; Engine Must Warm Up. Seems Like...

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

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...

Need To Pass Smog Check, Code P0171 Keeps Coming Up, No Vaccuum Leaks, Fuel Trim On Bank 1 Sensor 2 Is Up To 99% Bank 1 Sensor 1 Is 25...