Stalling issues - Subaru Impreza WRX STI Forums: IWSTI.com
STI Forum
Join
Start New Thread Create Account Advertise FAQ Members List Contact
Stalling issues
Stalling issues
Go Back   STI Forums > > > Stalling issues
Reply
 
Thread Tools
Old 09-07-15, 07:01 AM   #1
Wickedd
Becoming A Contributor
Feedback Score: 0 reviews
 
Car: Flared 04 sti
Fav Mod: Karlton flares, rotated turbo, built motor
My Threads
Posts: 15
My Subaru Parts for sale

Join Date: Sep 2015
Location: Fort Riley
Wickedd is an unknown quantity at this point
Default Stalling issues

I recently got tuned by a local tuner and i recently have had some issues with stalling. Before i went and got the dyno tune done I put in a JDM Long runner manifold and never had issues, now after the tune i sometimes have my car stall out. It will come to a stop and be at around 1k RPM's and then it will stall out. (This is while on 93o, will change over to e85 when tank gets empty)

UPDATE: I did a boost/vac leak yesterday and found a vac line had come unplugged, hooked it back up and now my idling problems are gone but still stalling sometimes.

UPDATE2: I am starting to wonder if I need to change out my spark plugs, im using the one step colder plugs but i switch between e85 and 93o (currently on 93o) so could this be the problem. The plugs have about 1200 miles on them since the fresh build.

Wondering if this could be a fueling issue or spark plugs? I am rueling out the possiblilty of the 02 sensor since i had just put in a new one less than 500mi ago.

Last edited by Wickedd; 09-10-15 at 09:19 AM.
Wickedd is offline  
Likes 0 Dislikes 0
 
Reply With Quote
Sponsored Links
Advertisement
 
Old 09-08-15, 06:06 AM   #2
Wickedd
Becoming A Contributor
Feedback Score: 0 reviews
 
Car: Flared 04 sti
Fav Mod: Karlton flares, rotated turbo, built motor
My Threads
Posts: 15
My Subaru Parts for sale

Join Date: Sep 2015
Location: Fort Riley
Wickedd is an unknown quantity at this point
Default Re: Idle/surge problems

Here is a video of me coming to a complete stop and the gauge rising. What do you guys think?

View My Video
Wickedd is offline  
Likes 0 Dislikes 0
 
Reply With Quote
Old 09-08-15, 08:53 AM   #3
Wickedd
Becoming A Contributor
Feedback Score: 0 reviews
 
Car: Flared 04 sti
Fav Mod: Karlton flares, rotated turbo, built motor
My Threads
Posts: 15
My Subaru Parts for sale

Join Date: Sep 2015
Location: Fort Riley
Wickedd is an unknown quantity at this point
Default Re: Idle/surge problems (now with Video)

Problem solved! Ended up having a vacuum line (boost port) had blown off. Idles better now but sometimes stalls ����
Wickedd is offline  
Likes 0 Dislikes 0
 
Reply With Quote
Sponsored Links
Advertisement
 
Old 09-10-15, 09:19 AM   #4
Wickedd
Becoming A Contributor
Feedback Score: 0 reviews
 
Car: Flared 04 sti
Fav Mod: Karlton flares, rotated turbo, built motor
My Threads
Posts: 15
My Subaru Parts for sale

Join Date: Sep 2015
Location: Fort Riley
Wickedd is an unknown quantity at this point
Default Re: Stalling issues

Im going to pull out the spark plugs next and check them to see their condition.
Wickedd is offline  
Likes 0 Dislikes 0
 
Reply With Quote
Old 09-16-15, 12:48 PM   #5
SkubieDoo
Active Participant
Feedback Score: 0 reviews
 
Fav Mod: Coming Soon
My Threads
Posts: 8
My Subaru Parts for sale

Join Date: Jan 2015
SkubieDoo is an unknown quantity at this point
Default Re: Stalling issues

do you have the stock bpv on the car still? if you have an aftermarket bov thats in full VTA then that will happen sometimes, maybe your tuner over looked it or something. Happened to me.
SkubieDoo is offline  
Likes 0 Dislikes 0
 
Reply With Quote
Old 09-16-15, 01:04 PM   #6
farmboss
Advanced Mastery Level II
Feedback Score: 0 reviews
 
Fav Mod: Everything that is actually an improvement over the stock part.
My Subaru Parts for sale

Join Date: Jan 2010
Location: Glen Allen Va
farmboss is on a distinguished road
Default Re: Stalling issues

Report on the plugs...Make sure the gap is copacetic too, not sure what power your putting down but for my 21psi 25-28gap seems to work nice...People tend to run much smaller with e85 because of the extra power. And unless your motor is seeing full boost for long periods of time then I'd put the stock heat range plugs back in. The colder ones need to get hotter to start cleaning themselves. They will never get hot enough unless you make it hot enough by flooring it constantly. I go WOT all the time but still not enough for me to get them, they just foul up quicker.

I'd clean the maf if you still have one, reset the ecu, and check for more leaks.

Take some logs and send them to the tuner. Might just need a fuel adjustment to catch it for idle. Mine stalled out on me today rolling to a light, but it was still relearning its idle after an ecu reset and it just wasn't enough fuel there to catch it. Widebands come in handy
farmboss is offline  
Likes 0 Dislikes 0
 
Reply With Quote
Sponsored Links
Advertisement
 
Reply

Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Any current WRX problems? MYSTi General Subaru Discussion 31 12-11-12 02:29 PM
Accessport 06-07 STI Problems with Cobb AP cpunlamd ECU Tuning & Performance Electronics 18 03-05-09 08:54 PM
Problems with site? Kevin Site Bugs & Problems 60 10-04-07 10:09 PM
ICE/Security radio problems stackssti GD-General 6 07-14-07 05:33 PM
2007 misfire problems Ooie 2.5 Liter/Litre Factory Motor 24 04-11-07 02:11 PM


New To Site? Need Help? More

All times are GMT -8. The time now is 04:12 PM.


Powered by vBulletin
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
Designed & Powered by Domain Architect
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.