# \#ls-400

**URL:** https://community.cartalk.com/tag/ls-400/14413.md

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## [Central Computer processing unit connections](https://community.cartalk.com/t/central-computer-processing-unit-connections/168099)

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**Author:** [@art\_helen\_169549](https://community.cartalk.com/u/art_helen_169549)\
**Replies:** 50\
**Last updated:** [August 28, 2020, 10:05pm UTC](https://community.cartalk.com/t/central-computer-processing-unit-connections/168099 "2020-08-28T22:05:20Z")

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How does one disconnect the Computer from the catalytic converters and oxygen sensors. My car 1998 Lexus LS400 has more than 250,000 miles and needs to have catalytic converters replaced. This cost of replacement equal 4…