Sticking throttle
16 April 2016, 08:05 PM
#1
Scooby Regular
Thread Starter
Join Date: Mar 2016
Location: Hampshire
Posts: 280
Likes: 0
Received 0 Likes
on
0 Posts
Sticking throttle
I've searched this on the forums but not much has come up
Between shifts the throttle seems like it sticks a little bit as I have to force a delay before putting the clutch in, otherwise the gear change isn't smooth. These are characteristics of a fly-by-wire car, but the blob STi is definitely not.
When cold if I shift to 2nd when crawling out the road, the revs will climb to about 1900 from 1500 for about a second or two. When it's warm, they don't ever climb, they just hold for longer than they should.
Essentially, the engine speed doesn't drop as quickly as it should, and I have to allow a delay before putting the clutch in otherwise the gear change wouldn't be smooth.
Need to get this sorted, as it really annoys me unless I'm absolutely hammering it where you don't notice it.
Between shifts the throttle seems like it sticks a little bit as I have to force a delay before putting the clutch in, otherwise the gear change isn't smooth. These are characteristics of a fly-by-wire car, but the blob STi is definitely not.
When cold if I shift to 2nd when crawling out the road, the revs will climb to about 1900 from 1500 for about a second or two. When it's warm, they don't ever climb, they just hold for longer than they should.
Essentially, the engine speed doesn't drop as quickly as it should, and I have to allow a delay before putting the clutch in otherwise the gear change wouldn't be smooth.
Need to get this sorted, as it really annoys me unless I'm absolutely hammering it where you don't notice it.
17 April 2016, 01:18 PM
#7
Scooby Regular
Thread Starter
Join Date: Mar 2016
Location: Hampshire
Posts: 280
Likes: 0
Received 0 Likes
on
0 Posts
It idles fine. No issues at all in that regard.
When I sit still and rev it climbs and drops fine, but when I get moving its then I see the revs hold just a tad.. when it's cold the revs hold/climb for longer
When I sit still and rev it climbs and drops fine, but when I get moving its then I see the revs hold just a tad.. when it's cold the revs hold/climb for longer
Trending Topics
17 April 2016, 02:05 PM
#9
Scooby Regular
Thread Starter
Join Date: Mar 2016
Location: Hampshire
Posts: 280
Likes: 0
Received 0 Likes
on
0 Posts
03 October 2016, 01:27 PM
#10
Scooby Regular
Join Date: Jul 2015
Location: Surrey
Posts: 70
Likes: 0
Received 0 Likes
on
0 Posts
Hey dude.
I was wondering if you ever got to the bottom of this one please? I've got the same thing happening at the moment and unsure what it could be. But like you, it feels like the throttle it sticking.
Thanks!
Matt
I was wondering if you ever got to the bottom of this one please? I've got the same thing happening at the moment and unsure what it could be. But like you, it feels like the throttle it sticking.
Thanks!
Matt
03 October 2016, 01:59 PM
#11
Scooby Regular
Thread Starter
Join Date: Mar 2016
Location: Hampshire
Posts: 280
Likes: 0
Received 0 Likes
on
0 Posts
I reset the ECU and that cleared it up temporarily.
However, took it to the dyno recently who said the car in general needed a map tweak. I asked if this has anything to do the rev hang and he said it's a possibility. They're cable throttle operated, there shouldn't be rev hang like in fly by wire cars!
I will post the results once I've had the map tweaked.
However, took it to the dyno recently who said the car in general needed a map tweak. I asked if this has anything to do the rev hang and he said it's a possibility. They're cable throttle operated, there shouldn't be rev hang like in fly by wire cars!
I will post the results once I've had the map tweaked.
Thread
Thread Starter
Forum
Replies
Last Post