LC Model (2018-present)

Throttle response / hesitation

Thread Tools
 
Search this Thread
 
Old 09-13-22, 06:52 AM
  #1  
FlyTvr
Driver
Thread Starter
 
FlyTvr's Avatar
 
Join Date: Jun 2016
Location: WILTSHIRE
Posts: 63
Received 30 Likes on 15 Posts
Default Throttle response / hesitation

Anyone else noticed this? Driving through a sweeping bend, revs quite high, say 5 1/2 thousand, ease off the gas, once through the corner, hard on the gas, and there’s a moment of hesitation.



Granted, it’s ages since I’ve owned a naturally aspirated car, so maybe I am expecting too much. However, I’ve owned an ISF and an RCF and don’t recall this behaviour



Sport plus and gearbox in manual
Old 09-13-22, 07:11 AM
  #2  
MLMLC52K18
Advanced
 
MLMLC52K18's Avatar
 
Join Date: May 2021
Location: Georgia
Posts: 722
Received 308 Likes on 228 Posts
Default

You Go Boyyyy! Like the way you Drive!!!!! My LC has only hesitated when I push it too hard before the engine/trans has warmed up.
The following users liked this post:
FlyTvr (04-16-23)
Old 09-13-22, 07:27 AM
  #3  
Badhobz
Instructor
 
Badhobz's Avatar
 
Join Date: Mar 2015
Location: Vancouver BC
Posts: 1,041
Received 628 Likes on 334 Posts
Default

thats probably the traction control muting response because its detecting you are off angle and trying to figure out if you gas it, will you spin.

Maybe try it with TC off ? or in a straight line and see if that hesitation is still there
The following users liked this post:
TripFarmer (09-13-22)
Old 09-13-22, 09:40 AM
  #4  
bitkahuna
Lexus Fanatic
iTrader: (20)
 
bitkahuna's Avatar
 
Join Date: Feb 2001
Location: Present
Posts: 74,976
Received 2,461 Likes on 1,614 Posts
Default

almost certainly traction control kicking in.

The following users liked this post:
TripFarmer (09-13-22)
Old 09-13-22, 10:55 AM
  #5  
FlyTvr
Driver
Thread Starter
 
FlyTvr's Avatar
 
Join Date: Jun 2016
Location: WILTSHIRE
Posts: 63
Received 30 Likes on 15 Posts
Default

Thanks for the replies all.

Interestingly, if I leave the gearbox in auto mode (D), the symptoms seem to go away.

I don’t think it’s traction. It’s more like the engine management software is confused when you back off the throttle and then get back on it. Strange.
Old 09-13-22, 09:06 PM
  #6  
bitkahuna
Lexus Fanatic
iTrader: (20)
 
bitkahuna's Avatar
 
Join Date: Feb 2001
Location: Present
Posts: 74,976
Received 2,461 Likes on 1,614 Posts
Default

perhaps in sport+ the throttle is more aggressive and thus break traction more easily, plus in D maybe your rpms aren't as high and thus less torque.

anyway, you can figure it out by turning off tc.
The following users liked this post:
FlyTvr (09-13-22)
Old 09-15-22, 11:52 AM
  #7  
NoFi
Driver School Candidate
 
NoFi's Avatar
 
Join Date: Aug 2022
Location: Lahti
Posts: 18
Received 2 Likes on 2 Posts
Default

Should be pretty clear when traction control kicks in though, the car literally bogs down (at least on my GS F it does). Try it out in a straight line and see if it only happens in the corners. If it does, it must be the traction control.
Old 09-15-22, 07:00 PM
  #8  
bitkahuna
Lexus Fanatic
iTrader: (20)
 
bitkahuna's Avatar
 
Join Date: Feb 2001
Location: Present
Posts: 74,976
Received 2,461 Likes on 1,614 Posts
Default

FlyTvr - does your car has limited slip differential? without it, obviously it's easier for one wheel to slip, inducing traction control.
Old 04-16-23, 02:31 PM
  #9  
FlyTvr
Driver
Thread Starter
 
FlyTvr's Avatar
 
Join Date: Jun 2016
Location: WILTSHIRE
Posts: 63
Received 30 Likes on 15 Posts
Default

Originally Posted by bitkahuna
FlyTvr - does your car has limited slip differential? without it, obviously it's easier for one wheel to slip, inducing traction control.
Yes, it has an LSD (UK Sport + model). I'm convinced it is not a traction issue. I'm frustrated nobody else has encountered this issue. I think I need to drive another LC for comparison purposes.
Old 04-16-23, 04:09 PM
  #10  
bitkahuna
Lexus Fanatic
iTrader: (20)
 
bitkahuna's Avatar
 
Join Date: Feb 2001
Location: Present
Posts: 74,976
Received 2,461 Likes on 1,614 Posts
Default

so did you try it with tc turned off? and try in a straight line as NoFi suggested?
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
FlexedLEX
IS F (2008-2014)
23
03-26-20 01:08 PM
Kron1ck
IS F (2008-2014)
17
04-29-19 07:53 PM
sderman
RX - 4th Gen (2016-2022)
23
09-28-17 09:19 AM
viperdoc
RX - 3rd Gen (2010-2015)
17
08-19-13 02:39 PM
niko14
IS F (2008-2014)
16
02-22-10 04:45 AM



Quick Reply: Throttle response / hesitation



All times are GMT -7. The time now is 11:28 AM.