P CODES (POWERTRAIN)

Ses Has Been On Since Vehicle Was Purchased 2 Months Ago, But Have Had No Driveability Concerns Until Now. When Cars Mpg Is Decreasing And...

Hello, I Need To Put Two New Catalytic Converters On My Truck? I Believe The Codes Were P0420 And P0430. There Were No Other Codes...

I Have 03 Jetta With Rebuilt Engine Just Installed And P0420 Code Pops Up. So I Replace Both O2 Sensors And New Cat. What Should I Do Next...

The Engine Light Comes On And I Get A Fault Code P0420. It Seems To Happen More Often In The Warmer Weatherand In Sport Mode. The Engine Has...

1997 Honda Civic 100040 Mileages. My Check Engine Light Was On. The Diagnostic Trouble Code Is P0420 Catalyst System Efficiency Below...

What Causes The Check Enlight To Come On And Show Error Code P0420? What Do You Have To Do To Repair It?

I Started Getting The Po171 Code Showing Up On My Code Reader. The Only Thing That Was Done Was The Fuel Filter Was Replaced At Penzoil...

When Car Is Stopped And Idling It Will Idle So Low That It Almost Stalls But Corrects Its Self Obd Code Po171 Pops Up

Try To Find Out What Be The Problem To Have Po171 Code System Too Lean (bank1)

This Car Has What I Would Disccribe As A Ignition Ping When Enging Is At Operating Temp Under Acelleration Or When Engine Is Under A Load....