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Jul 7, 2022 | 08:29 PM

debdonelli

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3rd Gear

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From: Illinois

Car bucks

1993 LS 400. Around 40mph the car hesitates or bucks. If that’s a proper explanation. Has anyone experienced this behavior?

Jul 7, 2022 | 09:26 PM

timmy0tool

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From: 714/949, SoCal

many have, and likely it's the ECU capacitors unfortunately.
https://www.clublexus.com/forums/ls-...capacitor.html

how many miles on the car? there could be other factors like bad spark, fuel, etc but the ECU caps are a typical culprit.

Jul 8, 2022 | 07:37 AM

debdonelli

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3rd Gear

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From: Illinois

160,000 I have not tried any repairs as of yet

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