GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

Gs350 stop hesitation

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Old 09-15-18, 05:34 AM
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guzzy92fs
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Default Gs350 stop hesitation

Hello guys, today I noticed that my car is hesitating a bit while stopped and slightly letting the brake go. I can think of probably of fuel filtering needing replacement? If so does anyone have a guide or can tell me it's location?

Thanks in advance guys!
Old 09-15-18, 08:04 AM
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ibidu1
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Maybe your mounts are bad, you have 2 engine mounts and 1 transmission mount.its always best to replace them all at once, if you replace one and you have 2 worn down, they will wear the new mount a lot quicker.
Old 09-15-18, 11:02 AM
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guzzy92fs
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Originally Posted by ibidu1
Maybe your mounts are bad, you have 2 engine mounts and 1 transmission mount.its always best to replace them all at once, if you replace one and you have 2 worn down, they will wear the new mount a lot quicker.
i replaced all of them a month ago, anuy other clues?
Old 09-15-18, 11:10 AM
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SILENTM
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Fuel filter is in tank. Recommend cleaning throttle body and maf sensor 1st and driving a while to reset adaptations to see if that helps
Old 09-16-18, 10:29 PM
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I would put the car on a scanner and scan the fuel trims.

Theres only one filter/screen in the gas tank attached to the pump. You can remove it and clean out the screen with a good parts cleaner spray. Cleaning the throttle body inside and out will help, doing a full bottle of seafoam through the intake manifold vacuum line will also help.
Old 09-16-18, 10:31 PM
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For AWD they also have this problem with the torque convertor vibrates after time. Some have seen success with doing a transmission fluid change
Old 09-17-18, 08:22 PM
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guzzy92fs
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Mine is RWD, I did a intake cleanup last year Guess I will do again, the seafoam through the intake will require changing the spark plugs, i can try that, I think I have my old spark plugs stored somewhere..

Its worth mentioning that recently I changed my intake tube to the one that comes in the 2013 GS 350 F sport, the one with the sound generator, probably that could be the problem? Also worth mentioning that the car does it only when its cold, when you drive for some minutes it gets away significantly.
Old 09-17-18, 08:51 PM
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Originally Posted by guzzy92fs
Mine is RWD, I did a intake cleanup last year Guess I will do again, the seafoam through the intake will require changing the spark plugs, i can try that, I think I have my old spark plugs stored somewhere..

Its worth mentioning that recently I changed my intake tube to the one that comes in the 2013 GS 350 F sport, the one with the sound generator, probably that could be the problem? Also worth mentioning that the car does it only when its cold, when you drive for some minutes it gets away significantly.
Have you ever done a transmission fluid change? If not I would swap it with say amsoil ATF see if that helps smooth it out.
Old 09-18-18, 07:22 AM
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guzzy92fs
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Originally Posted by ibidu1
Have you ever done a transmission fluid change? If not I would swap it with say amsoil ATF see if that helps smooth it out.
Yes, on februsry my car had a transmission leak through work out transmission pan seal and the transmission was overhauled and fresh fluid was out inside.
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