LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

power surge

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Old 12-26-05, 07:18 AM
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tlex400
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Default power surge

93 ls400 220,000 miles while normal driving on highway car loses power then picks back up a minute or so later does the same thing any ideas what can be causing this.also reading a code 25
Old 12-26-05, 08:09 AM
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SC400-V8
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Are you saying you lose all power, like the car completely stalls, but starts up again after you come to a halt?

I had that problem too, every 4 or 6 months it would do that, but its been good for almost a year now Id say.

Replace alternator possibly?
Old 12-26-05, 03:35 PM
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tlex400
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no normal driving say at 60mph car will lose power drops to 50mph then pick back up
Old 12-26-05, 10:24 PM
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Oh ok, we obviously had different problems. My car would suddenly lose all power. Display would light up like a xmas tree and there was no power. I would slow to a complete stop, and then a restart was possible.
Old 12-27-05, 09:02 AM
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Since I've been using my heater a lot more I've noticed it takes a lot longer for my car to get up to speed and it shifts differently compared to when i turn the heat off completely. I wouldn't call it losing power but it does seem like its not getting enough power. Any idea's fellas?
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