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

Bucking on hard acceleration

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Old 03-19-10, 11:06 AM
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jbelway
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Default Bucking on hard acceleration

I've read all the threads about this problem and I have it too. I believe the previous owner spent a lot of cash trying to fix it and that's why I got a good deal. Instead of throwing parts at this car I've done a few tests with nothing out of the usual but the one thing I that did stand out was that when I jumped the terminals in the plug under the left side of the dash to check for code flashing I road tested the car to reproduce the problem as hard as I tried it wouldn't buck!! This is with the terminals jumped. If that helps anyone or they have a suggestion, let me know please.
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