P CODES (POWERTRAIN) P0400 - P0499

Hi, I Have A P0403 On My Car, And I Can't Seem To Get Rid Of It. The Car Really Isn't Showing Any Signs Of A Problem. Gas Millage Is...

Check Engine Light Is On. Scanned And Found P0411 Code. What Should I Do To Fix This?

My Check Engine Light Is On Code P0411, I Had The Car To 3 Different Mechanics Had The Vale Replaced, Had The Pump Replaced Everything Is...

This Morning My Check Engine Light Came On And Its Reading P0421 Warm Up Catalyst Below Threshold Bank 1. What Exactly Is This? What Does...

I Have This Mitsubishi Eclipse Rs Which I Purchased About A Month Ago And Everything Is Working Except I Have A Code P0421. I Had It...

The Code I Had Befor Was P0100 Wich Was Maf Sensor So I Put A New Maf Sensor And A New Air Charge Temp Sensor And Cleared The Codes But The...

Engine Mechanical Problem 1999 Nissan Sentra 4 Cyl Automatic Replaced Starter On Vehicle, It Started Once But Now Won't Start -...

The Engine Light Keeps Coming On And When I Use A Code Reader It Comes Up P0400 Exhaust Gas Re-circulation Flow. I Have Cleaned With Erg...

How Do I Test For Po452 On 2008 Pt Cruiser How Do Begin And What Tools Do Need To Preform The Testing This Car Was Also In A Flood Any...

Will A Exhaust Leak Make The Codes Po442, Po456, And Po440 Pop Up?