2001 toyota corolla had PO420 code after checking car out everything looked good i put shell vpower gas in and within half a tank engine light went out and hasn't returned try it it might save you money and headaches #22 - sam - 01/08/2010 - 21:16catalyseur de ford freestar ...
Universal Compatibility: This oxygen sensor is designed for various Toyota and Lexus models, including Land Cruiser, Tacoma, and Hilux, ensuring a wide range of compatibility with your vehicle. High-Quality Material: Made from 100% tested S409 stainless steel, this product guarantees durability and...
The test the car does isn't looking for a Toyota hologram or anything. It just runs the engine lean for so many seconds to bank up some oxygen in the cat, and then rich for so many seconds to see how long the cat can still do its job. The ones that can't make the grade set ...
I find that an OE gasket from Toyota works the best- for any brand cat. mr_guy_mann said: ↑ Here is my P0420 checklist. Is the engine running properly? - No misfires, even compression, no excessive oil consumption. Are there NO exhaust leaks from the cylinder head down to 18" ...