LEAN Questions

My Check Engine Light Was On For Fuel To Lean. The Mass Airflow Sensor Got Changed And It Worked A Little Better Than Acted Up Again. Fuel...

Truck Failed Smog Test For Following Reasons: Emmisions-related Powertrain Dtcs, Mode 3: Electronic Control Unit Id: 10 P1506 Manufacturer...

The Truck Developed A Miss When Decelerating Or At A Constant Cruising Rpm. I Believe That This Is Do To The Truck Running Too Lean. I...

Hi, Since I Saw A Number Of Related Questions In The Same Regard: My Car (inline 6, Perfect Mechanical Condition Engine) Hesitates To...

Idles Ruff After Up To Temp And Stalls When In Drive At Stop If I Unplug Mass Air Sensor It Run Fine. Plug Back In Runs Like **** Is Thier...

Hello, I Am Working On A 1997 Volvo 850r 2.3l Turbo, Automatic, Fwd, With 94k Miles. It Has Seen A Few Minor Upgrades, Detailed Below....

I Have A 01 Maxima With Lean Fuel Mixture Right Bank Code 171 I Changed O2 Sensor And Spark Plugs Also Checked If All Injectors Are...

Why Would My Stock '07 Pontiac G5 Gt Be Running Lean?

I Just Installed This Used Engine And My Code Scanner Says Running Lean On Bank 1, Any Ideas What This Could Be , And How To Correct It??...

Engine Started Rough Idling,but Okay When Going Down Road. Service Engine Soon Came On,read Code,bank 2 Fuel Lean. I Changed Fuel Filter,air...