|
Software Tuning Discuss all software tuning topics. |
|
Thread Tools | Search this Thread |
03-21-2020, 07:24 PM | #1 |
Member
Join Date: Oct 2018
Drives: 2018 Toyota 86
Location: NJ
Posts: 24
Thanks: 1
Thanked 2 Times in 2 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
OFT Unstable revs when shifted to R/D from Parking
Hi I got a 2018 toyota 86 auto recently added JDL catted UEL and OFT tune (Stg-2-v4.03-ZA1JN10D.bin). But after that I found every time after cold start, if I don't let the car fully warmed up, the rev will rise to 2000+ immediately after switching to R/D and then be quite unstable when I releasing the brake.
It make some trouble when I want to move preciously in the garage, just want to know is there any solution for that? I attached a video and the tune file I've used. You can see from the video that I never touch the throttle but the rev is keeping bouncing... [ame]https://www.youtube.com/watch?v=IlqecsbqOEw[/ame] |
03-21-2020, 08:32 PM | #2 |
Senior Member
Join Date: Feb 2018
Drives: '14
Location: Midwest
Posts: 485
Thanks: 246
Thanked 99 Times in 76 Posts
Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
|
How many miles since the tune? If less than 200, check back in after you reach those 200 miles so the fuel trims are fully learned. Post a log if you can. A vacuum leak in the header can cause that.
|
03-22-2020, 06:48 AM | #3 |
Banned
Join Date: Dec 2013
Drives: FT86
Location: Australia
Posts: 7,998
Thanks: 1,035
Thanked 4,987 Times in 2,981 Posts
Mentioned: 598 Post(s)
Tagged: 2 Thread(s)
|
Maf correction after start values are incorrect in both in nrutral and in gear tables.
Ive fixed this for a few people |
03-22-2020, 10:47 AM | #4 |
Member
Join Date: Oct 2018
Drives: 2018 Toyota 86
Location: NJ
Posts: 24
Thanks: 1
Thanked 2 Times in 2 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
it is pretty new with new gaskets, should be under 50 miles, I'll check back later.
|
03-22-2020, 10:48 AM | #5 | |
Member
Join Date: Oct 2018
Drives: 2018 Toyota 86
Location: NJ
Posts: 24
Thanks: 1
Thanked 2 Times in 2 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
Quote:
Code:
<table name="MAF Correction After Start (Neutral)" storageaddress="11C868"> <table type="X Axis" storageaddress="11C81C" /> <table type="Y Axis" storageaddress="11C848" /> </table> <table name="MAF Correction After Start (In Gear)" storageaddress="11C964"> <table type="X Axis" storageaddress="11C918" /> <table type="Y Axis" storageaddress="11C944" /> </table> Thanks! Last edited by powerwdp; 03-22-2020 at 10:26 PM. |
|
03-23-2020, 01:53 AM | #6 | |
Banned
Join Date: Dec 2013
Drives: FT86
Location: Australia
Posts: 7,998
Thanks: 1,035
Thanked 4,987 Times in 2,981 Posts
Mentioned: 598 Post(s)
Tagged: 2 Thread(s)
|
Quote:
The def is correct just the values in table are in correct . You just need to change the valies in the tables in romraider. Use the values in the maf after start tavles at bottom of the picture below ie the tavles with max value 20, copy in the whole table to your tune, make both in gear and in neutral same |
|
The Following User Says Thank You to steve99 For This Useful Post: | Compelica (01-04-2022) |
03-23-2020, 04:26 PM | #7 | |
Member
Join Date: Oct 2018
Drives: 2018 Toyota 86
Location: NJ
Posts: 24
Thanks: 1
Thanked 2 Times in 2 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
Quote:
I've downloaded romraider and check my value, it looks a little bit different. The value is higher for idle mode 7/8 and has a low-high-low trend for in gear table. should I make the in gear table exactly same as neutral table or keep its trend but lower the number? |
|
03-23-2020, 06:18 PM | #8 |
Banned
Join Date: Dec 2013
Drives: FT86
Location: Australia
Posts: 7,998
Thanks: 1,035
Thanked 4,987 Times in 2,981 Posts
Mentioned: 598 Post(s)
Tagged: 2 Thread(s)
|
Just make fhe in gear an neutral tables same, that way when you shift from neutral to a gear the rpm wont change
From memory ghe original tavles had higher values at bottom rows which made rpm rise more as car warmed up |
The Following User Says Thank You to steve99 For This Useful Post: | Lantanafrs2 (03-24-2020) |
03-23-2020, 10:20 PM | #9 | |
Member
Join Date: Oct 2018
Drives: 2018 Toyota 86
Location: NJ
Posts: 24
Thanks: 1
Thanked 2 Times in 2 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
Quote:
|
|
03-24-2020, 03:42 AM | #10 |
Banned
Join Date: Dec 2013
Drives: FT86
Location: Australia
Posts: 7,998
Thanks: 1,035
Thanked 4,987 Times in 2,981 Posts
Mentioned: 598 Post(s)
Tagged: 2 Thread(s)
|
Swap rows 1,2 with 7,8 in both tables
Tats whats causing issue |
The Following User Says Thank You to steve99 For This Useful Post: | Decep (03-25-2020) |
03-25-2020, 01:39 AM | #12 | |
Banned
Join Date: Dec 2013
Drives: FT86
Location: Australia
Posts: 7,998
Thanks: 1,035
Thanked 4,987 Times in 2,981 Posts
Mentioned: 598 Post(s)
Tagged: 2 Thread(s)
|
Quote:
The ecu runs through thte rows in order from 1-8 , over the warm up period I think they just made a mistake when the made the tune |
|
The Following User Says Thank You to steve99 For This Useful Post: | powerwdp (03-26-2020) |
03-27-2020, 09:27 AM | #13 |
Member
Join Date: Oct 2018
Drives: 2018 Toyota 86
Location: NJ
Posts: 24
Thanks: 1
Thanked 2 Times in 2 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
|
03-27-2020, 10:31 AM | #14 |
Senior Member
Join Date: Jan 2017
Drives: brz 2017 hksv2
Location: italy
Posts: 2,196
Thanks: 500
Thanked 1,067 Times in 775 Posts
Mentioned: 65 Post(s)
Tagged: 0 Thread(s)
|
in those tables, the first 2 rows do not set the idle rpm, mostly just the initial throttle blip behaviour
rows 3-8 best to keep them stock for warm/hot start stability |
|
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Unstable revs when switched to R/D from P | powerwdp | Engine, Exhaust, Transmission | 3 | 03-22-2020 10:53 AM |
Money Shifted my car, should I be nervous? | norcalpb | Engine, Exhaust, Transmission | 11 | 12-31-2019 06:38 AM |
Unstable idle when A/C cuts out | paulca | Engine, Exhaust, Transmission | 14 | 10-24-2015 09:18 PM |
2.5L with lower revs/more torque, or 2.0L with higher revs? | Superhatch | Engine, Exhaust, Transmission | 124 | 08-28-2013 12:20 PM |
Unstable feeling | Toyobaru808 | Suspension | Chassis | Brakes -- Sponsored by 949 Racing | 11 | 06-28-2013 11:06 AM |