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Transmission problems with Lexus ES?

1381 messages,  Last post on Nov 26, 2009 at 12:56 PM

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What is this discussion about? Lexus ES 300, Lexus ES 330, Transmission, Sedan

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#21 of 1381 lean engine stumble by wrd Mar 24, 2003 (3:21 pm)
It seems that others may have a trans problem. I assume that their cars are being diagnosed correctly. I originally thought my car had a trans problem, but the tech at the dealership went for a ride with me and diagnosed it as a stumble. A problem they are aware of and can do nothing about at this time. The computer controls the mixture. I called the 800 number in the back of the owners manual to verify. The person there was aware of the problem and said they were working on a fix and it should be available by July. Replies to this message: pdc5 (Jan 14, 2006 1:04 pm)
#22 of 1381 Re: lean engine stumble by daytona01 Mar 25, 2003 (11:45 am)
I found some info that you may want to read http://www.autoshop101.com/forms/h57.pdf http://www.sdsefi.com/techtemp.htm
#23 of 1381 lean engine stumble by wrd Mar 26, 2003 (12:45 pm)
I couldn't open the first link, but,the second seemed to deal with cold start-up/run. My 300 has the stumble even after being driven for several hours. It is especially noticable at approx. 40mph,but is noticable at higher speeds more as a vibration. It feels almost like wheel balance at 70/80 mph, but the wheel balance has been checked and rechecked.It is annoying enough that I would not be able to drive this car daily.(wifes car). I drive a LS400(my second one) and if Lexus cannot or will not fix the 300 I would be hesitant to buy another Lexus. Again, the 2003 loaner did the same thing.
#24 of 1381 lean engine stumble by es300trans Mar 27, 2003 (9:14 am)
wrd: I agree. I told the Lexus dealer that if they didn't fix the problem, this will be the first and last Lexus I will ever buy. How can I trust them?   With regard to the shuddering/lean engine stumble, when I am coasting at about 40-45 mph. the car will shudder without any acceleration. Is this the same for you (your wifes' car)?
#25 of 1381 lean engine stumble by wrd Mar 27, 2003 (4:58 pm)
I have not noticed the shudder when off the gas. It seems to be during normal acceleration through the 40/45 mph range that it is the most noticable. Again, while I do drive the car on occasion, I drive it as seldom as possible. Perhaps if I drove it every day, I would notice more. I am waiting for some carpet clips now. When it goes in for that, I intend to pressure them for more explanation.
#26 of 1381 Lexus ES300 2002 Transmission Problems by pkorman1 Mar 27, 2003 (6:23 pm)
The transmission bucks between 1800 and 2000 rpm's. It is terrible at shifting in traffic. Example, slowing down for a red light, the light turns green and you hit the gas and it bucks. It does not shift smoothly. Lexus promised a fix with the 2003 model. It does the same thing. They keep clearing the computer. It is good for maybe a day or so. SEE THE LEMON LAW! Replies to this message: gjfes350 (Feb 13, 2007 3:59 pm)
#27 of 1381 shuddering/lean engine stumble by es300trans Mar 28, 2003 (11:32 am)
wrd: sounds like two problems. i notice that when i accelerate at times, the car will stumble a bit. this must be the lean engine stumble issue. the car also shudders around 40-45 mph when not acclerating; this must be the transmission issue that i was talking to the dealer about. now i understand. pkorman1: i notice the bucking as well. very annoying. but, one of many annoying issues with the ES300.
#28 of 1381 wish you all the best by daytona01 Mar 29, 2003 (6:18 am)
Lexus has a slow sale for last 2 months... for ES: 8548 vs 10,368 .... about 20% decline compare to last year (http://www.autosite.com/editoria/asmr/svsedan.asp)   This month, Lexus has some kind of dealer rebate (info from www.carsdirect.com) to kick up sale and help clean up their over stock... and that's why we have seen a lot of ES commercial recently...   I waited for the end of month (another tip from several people at Emunds board)... This Thursday.. I brought home an ES... for just 32K... with premium pkg ( leather & 6 CDs ) + heated seat + HID + wood trim + VSC.... (sticker 36522)...   I'm very aware of the tranmission problem ... but so far all I have counted is about 50 owners (surely there are more) have that problem... and most are 2002 model.... so compare that number to more than 50,000 ES sold last year.... that is about 0.1%   I cross my finger and enjoy my beautiful Alabaster Metallic with black leather.   I hope Lexus will soon solve the problem of their program with the tranmission... that will be a happy day for everybody...   Without that problem... ES is a beatifull car, isn't it ???   I wish you all the best   Drive safe..
#29 of 1381 Es330 by joker2108 Mar 31, 2003 (1:04 am)
Es330   is the Es330 coming out this year? If so I might wait for it.   Anyone know what features it will have?
#30 of 1381 Same problem with 04 Sienna? by canuck13 Mar 31, 2003 (6:47 am)
I understand that the 04 Sienna uses the same transmission. Here is what I just posted on the Sienna site. Does this sound the same as the ES300 problems:   I wish I had checked this site before buying my 04 Sienna. I only have about 100 miles on mine and I absolutely hate the transmission. I have it into Toyota to look at today but after reading these posts, I'm sure they are going to say it is working as designed. I've noticed 3 separate problems. First, when you go around a corner at low speed it seems like you are in neutral when you try to accerate. Second, when you are coming to a stop, occasionally, you feel like someone has bumped you from behind. Third, (like some of the posts here) when you hit the gas hard (like when trying to pass) the engine revs up to the red line but there is no power. I think this is a transmission problem, not an engine problem.

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