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Lexus GS 450h Engine Problems

4 messages,  Last post on Jun 22, 2006 at 10:27 PM

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What is this discussion about? Lexus GS 450h, Engine, Hybrid Cars, Sedan

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#1 of 4 Lexus GS 450h Engine Problems by pf_flyer HOST Jul 24, 2006 (11:58 am)
Having an issue under the hood? Share your story and offer advice in this discussion.
#2 of 4 Engine Shudder When Stopping by bmwconvert Jun 22, 2006 (10:34 am)
I've got about 1,500 miles now. During the first 6 weeks of driving the car, the engine shutdown when at rest was imperceptible, and the reignition only barely noticable. Lately the engine gives a shudder that briefly shakes the car when stopping, and the restart seems a little rougher than when it was new. Anyone else notice degradation in smoothness at transitions? It's not terrible, but enough to notice the change. I have not had a chance to bring it into the dealer to be checked out. Replies to this message: bmwconvert (Jun 22, 2006 10:36 am) hendjaz (Jun 22, 2006 10:27 pm)
#3 of 4 Re: Engine Shudder When Stopping [bmwconvert] by bmwconvert Jun 22, 2006 (10:36 am)
Replying to: bmwconvert (Jun 22, 2006 10:34 am) With note to gs450h's earlier post, I have only been using premium fuel. Maybe it could have something to due with new fuel blends for summer in the Northeast? Again, I have to check with the dealer. Replies to this message: hendjaz (Jun 22, 2006 10:27 pm)
#4 of 4 Re: Engine Shudder When Stopping [bmwconvert] by hendjaz Jun 22, 2006 (10:27 pm)
Replying to: bmwconvert (Jun 22, 2006 10:36 am) In my 450h this is a slightly noticeable transition when coming to a full stop. You can feel the engine come to rest with the electrical motor taking over before its time to take off again. Very nice imho. Always look forward to that liftoff again after a stop. Very smooth, quiet and very fast.

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