GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Acceleration problem

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Old

Mar 2, 2018 | 03:15 PM

#1

Jorge415

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From: California

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Acceleration problem

hey guys so I’m having a problem with my 99 gs300 that I just can’t seem to figure out. When Accelerate from a complete stop it just drives normal but if I’m just slowing down and try to speed up again it will struggle and it sounds like the engine shakes a little,(from what I can hear from the exhaust). I have no cel and I’ve just been replacing parts in hopes that something helps but I’ve had no luck, if anyone else has experienced this problem please let me know what fixed it

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Old

Mar 2, 2018 | 03:29 PM

#2

onihc

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From: Angels Stadium

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try cleaning the MAF sensor. This worked for me

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Old

Mar 2, 2018 | 06:08 PM

#3

Jorge415

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From: California

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I already tried that and it still doing the same thing

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Old

Mar 2, 2018 | 06:17 PM

#4

MikeFig82

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How old is your air filter? You'd be surprised what a dirty filter can do to performance.

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Old

Mar 2, 2018 | 06:38 PM

#5

Jorge415

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From: California

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That’s next on my list to replace along with an oil change but I just wanted to see if it was something that I may have not thought about

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Old

Mar 4, 2018 | 11:13 AM

#6

kevin3344

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From: North Carolina

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You probably need a new MAF.

https://www.clublexus.com/forums/gs-...blem-help.html

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Old

Mar 4, 2018 | 01:08 PM

#7

Arcadian

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From: ALberta

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Is it not downshifting? Or the converter is staying locked up?

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Old

Mar 5, 2018 | 03:25 AM

#8

Ezz4001

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check your fuel system

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