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Q: Engine Stalling on 1995 Lexus LS400

The engine stalls/dies after long trips over 60mph when stopping or exiting ramps and the rpm needle jumps around. It doesn't die in town driving. Is the transmission going out or torque convertor clutch/ TCC solenoid?
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This is not an answer but maybe this will help someone in the future. I bought a 95 Lexus LS 400 and within days I was on a high speed burn thru the Las Vegas Desert. Somewhere in B.F.E I came across a stop sign in the middle of know where and braked. This is when I noticed that my car hide stalled. It started immediately after but scared the Cr*p out of me. This was not the last time it would do this. It seems to happen on long trips where the car is driven for hours at high speeds. I wrote it of as a characteristic of the car. To have someone try to figure it out would be ridiculos. The Toyota engineers themselves probably could not tell you. Otherwise the car is solid.
Tea Bagger,

Did you find out what's the problem with your Lexus. My Lexus LS400 started doing exactly the same thing. I am just curious to know what you did to get it fix.
Hey Nick, it's so hard to know what is causing this issue without performing at least a few basic tests, and possibly some more thorough checks as well. Do you have a check engine light on or any other lights on or flashing? Do you use good quality fuel and properly maintain your LS400?
I have the same problem and then it starts right back up with no issue. Really weird! Some say it' s a sensor malfunction which sounds costly?
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