P CODES (POWERTRAIN) P0400 - P0499

I Got The Code P0456 A Couple Weeks Ago And Went On To Fix It. I Changed The Spark Plugs, The Wires And The Air Hoses That Are Visible And...

Engine Performance Problem 2003 Mitsubishi Lancer 4 Cyl Front Wheel Drive Automatic I Have Mitsubishi Lancer 2.0 2003. I Am Gettting...

I Get Intermittent P401 On My Grand Caravan (flex Fuel). It Comes On Then In A Day Or Two Disappears. Other Symptoms Are Erratic Idling...

I Bought This Van On Facebook And This Specific Code Has Been Giving Me A Headache. So Far I've Change The Egr Valve, Dpfe Sensor, And...

Vin 1fmdu32p2vua38455 Can Not Find Dpfe That Sends Code To Computer. All Suggestions Point To Replace Will Fix Problem. Does It Have One Or...

How Do I Replace The Egr Valve Located At The Back Of The Engine Near The Firewall? Does The Intake Maniflod Need To Be Pulled? The Manual...

Evaporative Emission Control System Incorrect Purge Flow. How Can I Check Which Part Needs To Be Replaced, Charcoal Cannister, Purge...

My Engine Light Is On. I Asked Autozone And The Did Zero It But It Is Back On Again. They Gave Me These 2 Codes After They Diagnozed It....

I Know It Is A Evap Leak I Just Need Vaccum Diagram So I Can Trace The Hoses.

What Could Be Setting This Code Gross Leak Evaporative System