mls Posted December 3, 2011 Share Posted December 3, 2011 Is ecu 89661-50224 still the recommended replacement to fix stalling after highway driving? Quote Link to comment Share on other sites More sharing options...
curiousB Posted December 3, 2011 Share Posted December 3, 2011 I doubt it. Don't see many complaints here that are only the ECU. I would rule out ignition and fuel system first. What are the symptoms? Abrupt stall at highway speeds? Complete loss of power or just significant loss of power? Does it correct itself after a cooldown period. A bit more description of the problem might get some better ideas flowing. Quote Link to comment Share on other sites More sharing options...
mls Posted December 3, 2011 Author Share Posted December 3, 2011 This is the problem addressed by 95LS400Bob years ago for which there was a Lexus TSB issued. The car stalls when returning to idle only after highway driving for 30 minutes or more and then restarts immediately. Quote Link to comment Share on other sites More sharing options...
steve2006 Posted December 3, 2011 Share Posted December 3, 2011 I think this is it. http://us.lexusownersclub.com/forums/index.php?showtopic=15699&hl= Quote Link to comment Share on other sites More sharing options...
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