P CODES (POWERTRAIN) P0100 - P0199 P0171

What To Look At For A P0171 Code?

I Have A 1999 Ford Ranger 4.0 V6. I Tried To Get It Smogged And It Said Code P0171 I Took It Into The Shop And They Said Its A Lean Code...

I Am Getting A Lean Code On My Truck. Changed Fuel Filter, Fuel Pump, O2 Changed Less Than Year Ago. Fuel Pressure Forty Two Pounds When...

For A Little Over A Month, P0171 (system To Lean) Code Comes Up. My Brother Has Cleaned The Throttle And The Maf. It Then Worked Fine For A...

2002 Sonoma, P0171 System Too Lean, Is Dumping Fuel, Runs Pretty Good Until Reaches Temp, Black Smoke Coming From Exhaust?

We've Been Working With Local And Dealership Mechanics On Trying To Get Rid Of The Frustrating 171 (system Too Lean) Dtc, We've Replaced...

My Kia Has Been Switching Between This Code And A Missfire In Cyl #3 For 2 Years Now Yet I Cannot Figure It Out Any Ideas?

1998 Ford Contour Ford Contour Po171 And Po1131 Oh The Horror. I Have A 1998 Ford Contour Se 4cyl. I Am Pulling A P1131 And Po171 Code. I...

I Ilike Some Advice, I Have A Engine Check, Took It To Auto Zone, Put The Engine Analyzer, Error Code P0171, Look It Up On The Www, It...

I Have A 00 Toyota Corolla With P0171.1. I Ckecked Short Long Fuel Trim And They Were High. Found No Vacuum Leaks So I Installed A Maf9 (i...