P CODES (POWERTRAIN)

Hello, I Am Getting A P0420 Code, And I Took A Picture Of The Oxygen Sensor Information And I’m Wondering If You Could Help Me Interpret...

There Is A Long Cranking Time Before Starting, Code P0171 System Too Lean Bank 1. I Checked And Found No Vacuum Leaks. I Clean Mostly All...

Engine In The Past Week Has Come On A Few Times. Thought It Was My Gas Cap But I Replaced It And It Still Came On. Twice In The Morning It...

Did Engine Swap To 6.0l Using 4l60e Transmission. Did Re-pin On Harness Using This Guide: Https://youtu.be/vzdxet1w1py?si=sblry0crahpxavoy....

I Am Getting These 4 Errors. I've Checked The Coil Pack, And Wires Going To The Coil Packs. Everything Looks Ok. I Got 12.4v With The...

I Have Had All Spark Plugs And Coil Packs Done And The Engine Light Keeps Coming On. Anything Else It Could Be? Thanks

My Check Engiene Light Is On And I Took It To Auto Zone And It Gave Us These Two Codes: Po715 & Po130. I Need To Get This Taken Care Of In...

I Feel There Is Problem With My Engine After Getting Engine Check Light On Dashboard. Then I Did Code Check, I Got These Four Codes On...

I Have Already Replaced My Rear Catalytic Converter And Downstream O2 Sensor Along With Fixed Exhaust Leaks. Map Sensor And I Know I Have A...

Bought This Vehicle Two Months Ago With No Codes Active Or Stored. I Drove The Car For A Week Or Two And Noticed At High Speeds The Car...