P CODES (POWERTRAIN) P0400 - P0499

We Replaced The Mufler And Catalyst Because We Were Getting A Bad Catalyst Code On The Computer Now We Solved That But We Are Getting A...

I Just Put A 2006 Engine In My Car And I Am Getting A Po0016, And A Po440 Code. On The Po0016, I Have Used The Camshaft Sensor Off My Old...

My 2007 Impala (3.9) Throws A Po455 Code. It Didn't Throw This Code Until I Added A Can Of Berryman's Fuel Injector Cleaner. I Reset The...

My 1999 Jeep Cherokee Sport's Check Engine Light Recently Was Tripped. After Running The Code Check, Po455 Was Displayed-evap Large Leak...

Hey There, My Darn Check Engine Light Came On Today And I Took It To A Local Auto Store To Have Them Hook It Up To Their Machine. I Found...

How I Can Fix Code P0440?

I Recently Had The Po 420 Code Show Up On My Grand Marquis. I've Replaced The Downstream O2 Sensor On Bank One. It Didn't Fix The Problem...

Po442 Where Do I Look To Fix This Problem?

My 2003 Dodge Caravan Has The Engine Light On. The Codes Are Po442, Po 455, Po 456. I Had The Fuel Filter Changed Yesterday And My Car...

I'm Getting Code P0441 And Wondering Which Component To Replace First The Vsv For Evap, Vsv For Vapor Pressure Sensor Or The Vapor...