Jpmockler Posted January 15, 2015 Share Posted January 15, 2015 I love my 2003 LS430 but I have just learned that the check engine light that came on refers to the fact that my catalytic converter needs to be replaced. I may delay this because the estimate is over $2600 and with a car with over 150,000 miles it may not be worth it. But my real problem is that when the check engine light came on my cruise control stopped working. Has anyone had this problem? Quote Link to comment Share on other sites More sharing options...
13IS250C Posted January 15, 2015 Share Posted January 15, 2015 Welcome! $2600!!!!! That is rediculous. Is that an estimate from Lexus? If so, I would take it to a local muffler shop and get a quote. As far as the CC goes, I don't see why there would be any relation to the converter. Maybe try disconnecting your negative battery cable and see if that would reset it. Quote Link to comment Share on other sites More sharing options...
Jpmockler Posted January 15, 2015 Author Share Posted January 15, 2015 Thanks Beckie. I will give it a try. Quote Link to comment Share on other sites More sharing options...
VBdenny Posted January 16, 2015 Share Posted January 16, 2015 I can't see how the two are related other than something totally unusual. I seriously doubt the converters are bad. Yeah maybe from leaded gas or severe overheating but not under normal conditions. JP. If take it to a Toyota dealership NOT associated with a Lexus dealership. Don't mention a thing about previous diagnostics. Might be surprised. Hopefully at least. Quote Link to comment Share on other sites More sharing options...
Jpmockler Posted January 16, 2015 Author Share Posted January 16, 2015 Thanks for your advice. I did disconnect the battery and lo and behold the check engine light went out and the system returned to normal. And the CC worked. However, this lasted for a day and then the check engine light went on again and I lost the CC. I took the car to a muffler shop and got a much lower quote. Next step - Toyota Dealer. Quote Link to comment Share on other sites More sharing options...
13IS250C Posted January 17, 2015 Share Posted January 17, 2015 Let us know. Sounds really strange. Quote Link to comment Share on other sites More sharing options...
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