P CODES (POWERTRAIN) P0400 - P0499

2002 Hyundai Elantra 4 Cyl This Code Relates To The Evap System. Which Is The Best Way To Determine If The Purge Valve Is The Cause...

Where Can A Find The Vent Control Valve Circuit?

1997 Lexus Es 300 6 Cyl Automatic 126000 Miles I Believe This Is A Co2 Sensor Malfunction. Is This Something That Can Be Replaced At...

Hey Guys! I Just Purchased A 2008 Mitsubishi Eclipse For 17,000. The Minute I Drove It Off The Lot, The Check Engine Light Came On, When I...

The Above Code Was Obtained From The Diagnostic Please Advise The Next Action

I Have Changed The Gas Cap In My Car But My Engine Light Is Still On. Its A 99 Mercury Cougar. Could It Be Bad Gas From What I Filled The...

97 F150 Has Code 402. I Replaced The Valve And Checked For Plugged Lines And The Code Comes Back. The Vehicle Runs Fine.

The Piece That The Hose Connects To Broke Off And I'm Trying To Figure Out What It’s Called So I Can Replace It Or If There’s...

Is There A Picture Of Where The Sensor Is On The Fuel Tank, A Diagram Or Something

Engine Performance Problem 1998 Chevy Silverado V8 Four Wheel Drive Automatic Thank You For Your Response. It Helped Id The Part That...