1999 Lexus Es300 Catalytic Converter Bank 1. Make sure youre only giving it the best of the best by installing a premium Lexus ES300 catalytic converter from AutoZone. If you do not have a problem with your catalytic converter install the new muffler now. For 1999-2001 Lexus ES300 Catalytic Converter Rear Magnaflow 37472QK 2000. So your Lexus ES300 had the engine light on and you used a scanner to figure out the problem.
Catalytic converters generally resemble exhaust mufflers and they are fitted into the exhaust system upstream of the actual mufflers. A regular repair shop is possible but he would have to take a day off work. Typically the code will be triggered by the upstream oxygen sensor before the. Item replaces bank 1 or rear manifold mount unit close to firewall side of engine. I had the car tested and the scan code was P0420. 99 ES has 3 catalytic converters 1 for each bank of V6 and both feed into a bigger cat and 3 sensors one before bank1 cat one before bank2 cat and one after the.
I needed some pointers or if someone has encountered similar codes or symptoms with this vehicle.
So to really simply things lets just say that the efficiency of the catalytic converter andor exhaust pipe andor O2 sensor is not so great. CheckToyotathe catalytic converter might be bad Randy The check engine light on my 1999 Lexus ES300 came on a couple of weeks ago. Reply to this topic. So I took it to a Lexus dealer and they said it was only a gas cap. Free shipping on many items. Catalytic converters generally resemble exhaust mufflers and they are fitted into the exhaust system upstream of the actual mufflers.