kd1659 Posted February 11, 2004 Posted February 11, 2004 I bought a 2000 gs300 2 months ago and have a question about the transmission. Sometimes when slowing for a stop sign and rolling thru (as an example) when getting back on the gas the transmission seems to be searching for the gear it wants , it sometimes takes a second to engage it seems , like its slipping a little. It shifts smoothly in all other situations, and from dead stops its fine , just when you coast to a near stop and get back on the throttle. I am hoping this is something the 5 speed auto does , previous owner had car serviced well by Lexus dealer and car is in new condition 31,000 miles. Thanks for all input
TurboGS300 Posted February 11, 2004 Posted February 11, 2004 Probably normal! You can try resetting the ecu for your driving habits ! Do a search and find out how!
witz04 Posted February 11, 2004 Posted February 11, 2004 I have exactly the same problem with my '99 GS300, see topic 'sluggish acceleration ...' on Dec 5, '03. I followed the recommendations of replacing the transmission fluid and resetting the ECU, but the problem still exists. Since the sluggishness/hesitation? only happens when roling at low speeds (over a speed pump for example) and then trying to accelerate, I am starting to suspect the ECU ... is it a software issue?
Magata Posted February 11, 2004 Posted February 11, 2004 I too have noticed something similar with my 1999 GS300. I can not tell if the transmission is working properly or not. How do you reset the ECU?
SW03ES Posted February 11, 2004 Posted February 11, 2004 Thats a characteristic common on every Lexus, its the way the throttle is set up. Driving in "ECT PWR"mode seems to help.
witz04 Posted February 14, 2004 Posted February 14, 2004 Postings in the ES330 forum indicate that even the recently introduced ES330 may have this same problem but that it can be fixed through a software upgrade. I wonder whether a similar fix is available for the GS300 model?
TurboGS300 Posted February 14, 2004 Posted February 14, 2004 Well, I found this and think I might give it a try. If it's available for the 1st gen. CHECK IT OUT! :D
SW03ES Posted February 14, 2004 Posted February 14, 2004 No, the software upgrade changes the shift logic but not that hesitation.
dragonj242003 Posted March 9, 2004 Posted March 9, 2004 I bought a 2000 gs300 2 months ago and have a question about the transmission. Sometimes when slowing for a stop sign and rolling thru (as an example) when getting back on the gas the transmission seems to be searching for the gear it wants , it sometimes takes a second to engage it seems , like its slipping a little. It shifts smoothly in all other situations, and from dead stops its fine , just when you coast to a near stop and get back on the throttle. I am hoping this is something the 5 speed auto does , previous owner had car serviced well by Lexus dealer and car is in new condition 31,000 miles. Thanks for all input I have a GS300 Blk/Blk and am having the same exact problem. I am taking a mechanics class and will have it look at and driving my the instructor and let you know. :)
dragonj242003 Posted March 9, 2004 Posted March 9, 2004 Well, I found this and think I might give it a try. If it's available for the 1st gen. CHECK IT OUT! :D Hi- Did the chip help?
TurboGS300 Posted March 9, 2004 Posted March 9, 2004 Well, I found this and think I might give it a try. If it's available for the 1st gen. CHECK IT OUT! :D Hi- Did the chip help? :o I just had the 90k service done: changed timing belts, and added underdrive pulley. I also did a water flush and the car has been running so good I forgot about the chip. I will let ya know if I do get it. :D
witz04 Posted March 10, 2004 Posted March 10, 2004 So which one did it.... the timing belt or the underdrive pulley?
TurboGS300 Posted March 10, 2004 Posted March 10, 2004 So which one did it.... the timing belt or the underdrive pulley? B) I don't know, the belt was well worn. Shoulda been done at 60,000 , but I thought it might have been done by the previous owner. Guess not! I did the underdrive pulley at the same time and did the water flush as soon as I got home from the shop. So all 3 helped. :D
dragonj242003 Posted March 11, 2004 Posted March 11, 2004 Well, I found this and think I might give it a try. If it's available for the 1st gen. CHECK IT OUT! :D Hi- Did the chip help? :o I just had the 90k service done: changed timing belts, and added underdrive pulley. I also did a water flush and the car has been running so good I forgot about the chip. I will let ya know if I do get it. :D How much was all of that work on your lex?
TurboGS300 Posted March 11, 2004 Posted March 11, 2004 Well, I found this and think I might give it a try. If it's available for the 1st gen. CHECK IT OUT! :D Hi- Did the chip help? :o I just had the 90k service done: changed timing belts, and added underdrive pulley. I also did a water flush and the car has been running so good I forgot about the chip. I will let ya know if I do get it. :D How much was all of that work on your lex? It was $1000 :o for new water pump, thermostat, coolant, timing belt, cam and crank seals, underdrive pulley. It's a Lexus so you gotta expect a high bill. I do everything myself on all my cars, except for timing belts and internal motor work. Learned my lesson on that a long time ago.
dragonj242003 Posted March 11, 2004 Posted March 11, 2004 Well, I found this and think I might give it a try. If it's available for the 1st gen. CHECK IT OUT! :D Hi- Did the chip help? :o I just had the 90k service done: changed timing belts, and added underdrive pulley. I also did a water flush and the car has been running so good I forgot about the chip. I will let ya know if I do get it. :D How much was all of that work on your lex? It was $1000 :o for new water pump, thermostat, coolant, timing belt, cam and crank seals, underdrive pulley. It's a Lexus so you gotta expect a high bill. I do everything myself on all my cars, except for timing belts and internal motor work. Learned my lesson on that a long time ago. Thanks...I am taking a class as we speak on how to do all that fun stuff...best regards
#1gs300 Posted April 25, 2006 Posted April 25, 2006 hey turbo do u know of anyone that got this chip, and if so does this work good with the srt intake Well, I found this and think I might give it a try. If it's available for the 1st gen. CHECK IT OUT! :D
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