TOYOTA COROLLA P CODES (POWERTRAIN) P0400 - P0499

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...

Vin #2t1br32e85c416304 Showing Codes Po441/455/456 & Pending Codes Po441/455. Having Trouble Narrowing Down Where The Problem Is, Below...

My Car Pulled Up This Code P0441 Wat Does This Mean I Get Alot Of Answers But Some Of Them Dont Apply To The Car That I Have.

I Am Getting A Check Engine Code Of P0420 From My Obdii Meter. I Know This Suggests A Problem With The Cat. To Eliminate Other Possibilities...

The Previous Owner Replaced The Catalytic Converter Last Year. What Can Cause A Catalytic Converter Below Threshold? I Checked The Voltage...