mls Posted January 18, 2012 Share Posted January 18, 2012 I decided to upgrade my ecu to address problems of stalling after highway driving and throttle shock when driving in town. These issues were discussed in depth by 95LS400Bob about 7 years ago. I replaced my original ecu 89661-50221 with ecu 89661-50224 from a wrecked 95LS400. This is the ecu that was recommended in a Lexus TSB to address these issues. Just return from my my first highway trip since I changed my ecu. Car ran great. No longer have any issues with stalling, throttle shock or erratic idle speed. I want to thank Bob and LOC for all the information which made this repair as easy as plugging in a new ecu. Quote Link to comment Share on other sites More sharing options...
jaswood Posted January 18, 2012 Share Posted January 18, 2012 I decided to upgrade my ecu to address problems of stalling after highway driving and throttle shock when driving in town. These issues were discussed in depth by 95LS400Bob about 7 years ago. I replaced my original ecu 89661-50221 with ecu 89661-50224 from a wrecked 95LS400. This is the ecu that was recommended in a Lexus TSB to address these issues. Just return from my my first highway trip since I changed my ecu. Car ran great. No longer have any issues with stalling, throttle shock or erratic idle speed. I want to thank Bob and LOC for all the information which made this repair as easy as plugging in a new ecu. Somehow I have completely missed any posts concerning your specific problems nor have I had any personal experience with our '95 LS400 comparable with yours. More detailed discription, or links...? Quote Link to comment Share on other sites More sharing options...
mls Posted January 18, 2012 Author Share Posted January 18, 2012 I think this will get you to the topic. http://us.lexusowner...topic=15699&hl= Quote Link to comment Share on other sites More sharing options...
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