P CODES (POWERTRAIN) P0400 - P0499

What Does The Code P0442 Mean?

Does Anybody Know Why My Bug Is Burning Through Gas So Quick? It’s A 2005 1.8l Turbo And I’m Using Premium Gas. It’s Throwing A...

Car Has New Egr Valve Since January 2021. Worked Well, No Codes. Yesterday I Installed 8 New Ignition Coils. Car Runs Great, Except It Now...

Check Engine Light Comes On Periodically. Usually On Several Hours Drive When Gas Tank Goes From Full To About Half Tank. Been Doing It For...

So I Bought A Truck (1500 Sport) Unknowing That The Check Engine Light Was On And So Far Have Spent Around $800, 00 In Diagnostics Tools...

I Have A Po420 Code On My Car And I Don't Know If It’s My O2 Sensor Or My Catalytic Converter Is Bad Or What. I Don’t Have A Bad...

I Just Had My Code Checked And It Said That It Was A P0420 Code And It Had Another P0420 Code With Some Symbols Beside It. How Do I Know If...

So My Truck Threw A Code P0420. I Replaced The Oxygen Sensor Before The Catalytic Converter, Cleared The Codes And The Same Code Popped Up...

Hi, I Have These Codes In My Car: P2094 B Camshaft Position Actuator Control Circuit Low Bank 2 P0442 Evaporative Emission System...

I Have Just Replaced My Motor. The Check Engine Came On. The Code Is P0420 And P0430. Say It Is About The Catalytic Converter. Can You Tell...