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

engine stutter coming to a stop...

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Old Dec 7, 2015 | 02:13 AM
  #1  
Brabusx2's Avatar
Brabusx2
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Default engine stutter coming to a stop...

so my car finally reached 100k miles last week, i celebrate it by cleaning the K&N filter and first oil change myself, car felt new again, (no kidding! it does)

then today i was driving to drop my friend off home, while existing off the freeway ramp, the car felt so weird, it felt like a stick shift car engine stalling with bad clutch foot work, i did a google search and forum search, found out its seems to happened to other 450h members too, thought i would share my dash cam video


sorry was chatting with my friend, but then if you turn the "bass" volume up, you could hear the thumping noise, car was jerking kinda hard (not clearly shown on the dash cam) got me really worry.

so quick history
  • car always been serviced at the dealer, except last week, did my first oil change, no newbie at it
  • its 50F degree outside, coolant and water pump replaced by dealer under CPO, engine isn't overheating
  • Hybrid battery replaced 11/14 under CPO warranty
  • AUX battery replaced 10/14 wear and tear (from my own wallet) at dealer
  • APSSS battery replaced 11/15 (from my own wallet) myself

warranty expired 1/15 and don't know how i could have dealer look at it, it just happened today, gonna drive it a few more times to see if it happen again.
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Old Dec 7, 2015 | 06:44 PM
  #2  
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Spark plugs are due at 100k may wanna check that out, Although ignition issue will happen under load

Last edited by SILENTM; Dec 7, 2015 at 06:48 PM.
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Old Dec 8, 2015 | 03:27 AM
  #3  
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Take off the throttle body and clean it inside and out, and then do an induction cleaning with something like seafoam or pay the lex or toyota dealer to do it for you. You might have carbon building up that just needs a cleaning.

Also if you havent replaced the plugs now after the induction cleaning would be a good time to do so.
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