P CODES (POWERTRAIN) P0400 - P0499

I Have A Active Code P0499 On My Dakota And I'm Getting Real Bad Gas Milage 11mpg. What Is Does This Code Mean And What Do I Have To Do To...

Check Engine Light - "p0431 Warm Up Catalyst Deterioration 2" Code Detected By Diagnostic Test On 2007 Mitsubishi Pajero 3.8l V6. ...

Getting Code P0496. How To Replace And Where Is It Located?

Hi, Have Mazda And I Have Check Engine Light On. Comes On Every 30-40 After I Reset It. The Code P0400 Reads: Exhaust Gas Recirculation...

I Was Wondering If I Should Replace My Egr Valve? I Had A P0404 Code So I Took The Valve Off And Cleaned It With Tb Cleaner. Replaced The...

My Check Engine Light Was On And Off Periodically After I Bought The Car In 2003 (mostly On). I Was Getting Code P0402 [exhaust Gas...

Engine Light Comes On And Off, Usually Stays On After Gas Gets Below Half Of A Tank. Goes Off After Filling Tank Us. Code Is P0406. Vehicle...

I Have A 2004 Chysler Town & Country With Code P0405 Everything I Read Online Says Egr Valve But Scanner Says Misfire Cylinder 4 I Am Using...

What Do I Need To Check When I Fail Inspection For P0453 Code For 2002 Ford Escort 2.0 Liter Engine

Electrical Problem 2005 Chrysler Town And Country 4 Cyl I Have A 2005 Town & Country - The Code Po406 Is Showing Up For This Vehicle...