ENGINE LEAN

I Keep Getting A Trouble Code Of Po171 Which Reads As System Too Lean. I Have Replaced The O2 Sensor And Cleaned The Mass Air Flow Sensor...

Hi All. I'm Back With Another Problem ><. Grand Marquis 94 135k Miles. Recently I Fixed My Low Egr Flow Problem. I Removed The Air Intake...

What Is The Posible Caused Checked Vaccum Leaks Did Scan It And Found That Long Term Fuel Adaptives Is Plus 25 To Lean. Checked Exhaust...

I Have A 97 Ford F150 That The Light Was On And The Code Showed The Crank Sensor So I Changed It And Now The Short Term Fuel Supply Goes...

I Have Found Out What These Codes Stand For Which Is System To Lean (bank 1) And Stystem To Lean (bank 2) But My Quesstion Is How Do You Fix...

Hi Guys :) So The Check Engine Light Came On, And I Used The Obd2 Autoscanner To Diagnose The Problem, And Here's What I Got; -p1443...

I Pulled The Following Codes P0113 / P0171 /p0174. I Cleaned The Mafs With An Electrical Cleaner Purchased At The Automotive Store....

California Emissions Equipped. Fuel Tank Was Leaking Along A Seam But Never Lit The Cel. Dropped And Replaced The Fuel Tank Using Original...

Hello, I Have A 99 Chevorlet Silverado W/ 5.3l V8, Extended Cab, 4x4. I Have Been Having Issues With The Engine Surging. It Acts Almost...

Shakes Or Wobbles Problem 1994 Nissan Maxima 6 Cyl Front Wheel Drive Automatic It Has Had A Wobble For A While Now. And About 3 Months...