TOYOTA P CODES (POWERTRAIN) P0400 - P0499 P0420

P0420 Was On, Cats Were Replaced With Bosal California Approved Cats As Well As New Denso Sensors. Readiness Set, No Codes For Several...

I Saw Several Messages Posted On This Issue And Wanted To Make Sure I Fully Understood What The Issue Is And The Steps To Correctly...

Catalyst Below Threshold Bank 1 Is The Only Fix For This To Replace The Converter And If So How Do You Reset The Code After Replacement Of...

Code P0420 With No Check Engine Light.(Catalytic Converter)

First Of All Its A Camry Solara Wasn't In The Drop Down Window. Hey I Keep Getting A Po420. Used To Come On About Every Week. I Replaced The...

I Have Got This Code 3 Times In The Last 4 Months Is There Anything I Can Do? I'm A Fairly Good Mechanic. The Code Is P0420 Catalytic...

I Have A 2001 Toyota Camry With 170,600 Miles Has P0420 Code That Came On Twice. What Could Be The Problem And What Needs To Be Replaced?

How Do I Correct My 2000 Toyota Camry Ce P0420 Code?

I Have A P0420 Odbii Error Code P0420 Means "catalyst System Efficiency Below Threshold (bank 1)" I Have Done The Following. 1...

Can Fuel Trims Affect The Efficiency Of The Catalyst. Long Term Is Around +13 Short Term Is Around +6. I Had A P0420 And Went Away.