TOYOTA P CODES (POWERTRAIN) P0400 - P0499

I Have My Own Scanner And The First Code That I Get Is P0441 Which Is The Evap. Emiss. Syst. Vent Control, The Other Code Is P0446 Which Is...

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.

My Check Engine Light Came On With The Code Of Po420. Yesterday I Got The Flex Pipe, Extension Pipe, Resonator, Axle Pipe, Muffler And...

Hi My Name Is Henry. Ok Ive Changed The Cat Converter About 2 Years Ago Bought Brand New From Dealer. About 60,000 Miles On Cat. And The...

I Have A 2003 Matrix That Is Showing The Check Engine Light; Code Check By Dealer [po420] Specifically Points To The Catalytic Converter [$...

Recently Had This Code Come Up. About Six Months Ago, Replaced The Vsv Valve, So I Am Guessing That Is Not It. Also, The Engine Seems...

I Own A 2001 Toyota Sienna Xle Van. The Other Day I Backed My Van Up And I Must Have Backed Into A Snowbank, And I Believe I Got Snow In My...

Engine Problem 2003 Toyota Corolla 4 Cyl Wheel Drive Type Unknown Automatic 88400 Miles I Had A Diagnostic Test Done At Autozone...

Hello Everyone, I Scanned My Car And The Error Code Is P0420. The Catalytic Converter Has Been Changed. The The Manifold Was Cut Open And...