Nissan Sentra P Codes (Powertrain) P0400 - P0499

Check Engine Light On. These Are The Codes; P0455 And P0457. What Is Going On Here? Thanks In Advance For Your Help! Oj

I Live In Texas And I Would Like To Know If It's Okay To Replace My Catalyst Converter With An Universal One- I'm Not Sure If It'...

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 A...

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...

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 Lines...

The Car Turns Over But Won't Crank. We Put A Ogd Reader On It And Got The Code P0455 And So We Replaced The Gas Cap And Now We Are Cleaning...

I Got A P0430 Code And I Used My Scanner To See What Was Going On And My O2 Sensor Labeled O2s12 Shows A Very Very Low Reading At Idle...

I Got A P0430 Code And I Wanna Make Sure It Is Not My Cat Thats Gone Wrong. I Want To Check The O2 Sensors But I Dont Know What The Voltage...

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

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....