NISSAN P CODES (POWERTRAIN) P0400 - P0499

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...

Had Fault Codes That Say The Egr Valve Is Faulty, So I Replaced This With Another One It Wasn’t Genuine So Maybe That Is Faulty As Well...

Engine Light Came On Took To Dealer Said It Was Rear Catalytic Converter And Now Engine Is Back On And They Said It Might Be The Front One...

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....

Hi, I've Been Having The Same Problem With This Car For Maybe A Few Weeks Now And Cant Figure Out What It Is. I Checked All The Vacumm...

Can Too Much Back Pressure Caused By A New Midpipe Cause A False P0420 Code?

I Have 6 Codes Po420 Po430 Po1320 Po305 Po420. What Can I Do To Fix The Codes?

I Checked The Car With Code Scanner With P0430 Catalyst System Efficiency Below Threshold Bank 2?Canyou Help Me To Find Out The Part That I...

Emmisions Code Po443? Won't Pass State Inspection

On Code Po420 Cat. Converter, Does That Mean You Need To Replace Your Converter? Or Could Something Eles Be Wrong, I Hate To Spend Money On...