P CODES (POWERTRAIN) P0400 - P0499

It Is Giving A Code P0420 And I Need To Know What It Could Really Be For. Sure I Am A Single Parent And Do Not Have Lot Money, But I Got To...

I Have A Fully Custom 01 Ranger, 3l V6. Body Dropped, Shaved, Airbagged, You Name It, It's Been Done. Except Fix That Little Red Light...

I'm Looking For Diagnostic Procedure For Dtc P0448 On 2005 Subaru Impreza, Non-turbo, Help Appreciated

I Have Retrieved A P0460 Code In My Ford Focus! I Have Read Many Forums About It But Nothing Seems To Give Me A Clear Answer.I Have Added A...

Check Engine Light Came On. Scanner Shows Error Code P0422. What Do I Need To Do To Fix The Error?

P1000 Fault Code, Fault Code Ftc P0406 Egr. These Are Just The Two Basic Codes I Keep Getting. Also, Dashboard Not Coming On When On...

I Currently Have Check Engine Light On. Went To Advanced Auto Parts And The Code P0405 Egr Flow Sensor A Circuit Low Input Came Up. The...

I Have P0453 Code Just Put New Fuel Pump In Now Getting This Code

Computer Problem 6 Cyl Front Wheel Drive Automatic 164169 Miles Vin #2g1wf52e549116832 Getting Trouble Code Po455/evap. Emission...

I Have A 1999 Mustang 3.8l Engine. The Check Engine Light Went On. The Code Po411 Pulled Up. My Friend Looked At Engine, Can't Find The...