ABradley Posted February 7, 2003 Share Posted February 7, 2003 I own a 1995 LS400 and on extended highway trips - 45-60 minutes at highway speeds - when I exit and stop the engine idles down rapidly and stops - always starts back easily and immediately resume normal idling. Any idea? Quote Link to comment Share on other sites More sharing options...
UCF3 Posted February 28, 2003 Share Posted February 28, 2003 That doesn't sound right. If you were driving a Manual then I would understand. First thing I would do is look for the Check Engine Light. It kind of sound like your engine is not getting oxygen anymore, but I can't tell without physically having your car in front of me. Try doing this. While the car is in Park, rev your engine once, and see if your car stalls. If it does, try getting a free estimate from a dealer. Quote Link to comment Share on other sites More sharing options...
dbullen Posted March 3, 2003 Share Posted March 3, 2003 Same thing happened to me when my battery was shot. Got a new battery and it worked fine. Also a year after that it started happening again, however it was my A/C Compressor that was almost seized and at low idle when the a/c was on the car would stall. Disconnected the a/c compress and all work well again. Havn't had A/C for about 8 months now, finally just got a new A/C compressor in the mail, just needs to be installed. Quote Link to comment Share on other sites More sharing options...
AWJ Posted March 3, 2003 Share Posted March 3, 2003 Check the battery and alternator for correct charge, output, and connections. Then the spark plugs, cables, and distributors. Then the fuel filter, fuel pump, and fuel ecu. The cause is in one or more of those items, most likely. Quote Link to comment Share on other sites More sharing options...
Russ Posted March 5, 2003 Share Posted March 5, 2003 I had a similar problem. My stalling problem seems to have been fixed after I had my mechanic clean the throttle body. An easy fix if it works for you. Quote Link to comment Share on other sites More sharing options...
Techplusc Posted March 6, 2003 Share Posted March 6, 2003 I have just encounter the same problem, my friend a service manger at the lexus dealer told me he heard of this problem twice. He suggest it my be the ECU a few grand so have it checked out first. I will be getting this fixed within the next few weeks and I will post repair Quote Link to comment Share on other sites More sharing options...
Lex_LS400 Posted April 14, 2003 Share Posted April 14, 2003 ehhh, yea im having the same problem. i cant really find much information on it either. i went to the lexus dealership and they told me everything was fine. Quote Link to comment Share on other sites More sharing options...
alphaSeries Posted January 5, 2005 Share Posted January 5, 2005 im having the same problem too. lexus dealership told me it was the ecu. Quote Link to comment Share on other sites More sharing options...
95LS400Bob Posted January 6, 2005 Share Posted January 6, 2005 Welcome to the club. Now read this: http://us.lexusownersclub.com/forums/index...showtopic=15699 :o Quote Link to comment Share on other sites More sharing options...
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