P CODES (POWERTRAIN) P0400 - P0499 P0430 Questions

Check Engine Light Came After Purchase. Filled With Gas A Light Came On 2 Miles Down The Road. It's Not Sluggish Or Anything, Just The...

I Just Replaced Bank 1 Sensor 2 Reset Computer And Drove A Little Bit. Same Code Showed Up What Does It Mean? I Also Have Code P0430. Thank...

I Know I Am Asking Lots Of Questions But I'm Trying To Pass New Jersey Inspection Without Failing. So My Question Is, What Do I Need To...

So Bank 1 And 2 Is Lean. Insufficient Something To Catalytic Converter Is P0430 And P0300 Is Random Cylinder Misfire. All Plugs And...

I Have A Check Engine Light For P0430 Which Has Something To Do The Catalytic Converter. I've Got One Of Those Cheap Obd2 Bluetooth...

Just Bought This Car That Has Not Been Driven For About Two Years. I Completely Ran The Car On That Two Year Old Gas Before I Refueled. ...

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...

Replaced O2 Sensor. Would Like To Let Roy Know We Still Have Not Found The Problem To Flunk Emissions. Found A Bad Spark Plug, Bought New...

I Have A P0430 Code Pop Up Says Bank 2 Only Would This Be The Sensor Right After The Catalytic Converter?

Hello Again,sorry To Keep Bothering You Guys But,on The Purge Vac Diagnostic Switch There Is Another Vac Fitting On The Left Side Of The...