mweston Posted March 5, 2022 Share Posted March 5, 2022 What is a fair market price (part and labor) to replace a cat converter on a 2002 Lexus SC430? How much for the converter and how much for labor? I don't even know. Does it have two or three converters? Codes are: 0172, 0175, 0430 Thanks! p.s. I am in CO which has emissions standards close to CA Quote Link to comment Share on other sites More sharing options...
Bykfixer Posted March 6, 2022 Share Posted March 6, 2022 Try adding a can of SeaFoam to your fuel tank. A cat code fires off when it's below 95% efficient. If yours is at say, 93% you get a code but SeaFoam burns hotter so it may clean your convertor enough to return to 95%+. Quote Link to comment Share on other sites More sharing options...
RX400h Posted March 6, 2022 Share Posted March 6, 2022 In case that doesn't work, here are prices: 2004 LEXUS GX470 4.7L V8 Catalytic Converter | RockAuto Quote Link to comment Share on other sites More sharing options...
mweston Posted March 7, 2022 Author Share Posted March 7, 2022 Mike. The directions on the can say "add 2 ounces" so I've started with that and see if it makes a difference. Thanks! Quote Link to comment Share on other sites More sharing options...
mweston Posted March 7, 2022 Author Share Posted March 7, 2022 Dave. Thank you for the link to RockAuto. There are so many choices here. How do I determine which unit or units is right for the SC430? Mike Quote Link to comment Share on other sites More sharing options...
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