Go Back   Subaru Impreza Forum - WRX STI Rally Performance Tuning > Subaru Impreza Technical Area > Engine Bay

Subaru Impreza Forum

Coughs at 4000rpm
Reply
 
LinkBack Thread Tools Display Modes
Old 03 Dec 2010, 11:03 AM   #1 (permalink)
Fresh Scooby
 
Join Date: Dec 2010
Posts: 1
Coughs at 4000rpm

Hi got a 2000 Impreze it will start fine run fine but when driving down the road at about 4000rpm it will start to cough for a bit when over 4500 it will be fine. Changed Fuel filter Plugs leads and coil pack dose anyone know what else to look at ?
Offline   Reply With Quote
Old 04 Dec 2010, 03:02 AM   #2 (permalink)
Obsessed Scooby
 
stiimpreza1984's Avatar
 
Join Date: Jul 2008
Location: Cork, Ireland
Posts: 7,475
Re: Coughs at 4000rpm

does it happen when giving it full boost pedal to the floor or just when revs holding round the 4k rpm? could try cleaning the boost solenoid check for boost leaks any small slits on turbo line pipes and hoses?
__________________
SEE NO EVO HEAR NO EVO!
Offline   Reply With Quote
Reply

Bookmarks

Tags
engine bay


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not 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
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
RPM drop to idle after 2min at 4000rpm scoobywolf Engine Bay 2 20 Jul 2009 12:04 AM
coughs and splurts atw086 Technical General 6 19 May 2009 09:58 PM
check engine light/ misses above 4000rpm darrellmac311 Technical General 8 04 Aug 2008 03:12 PM
scooby pulls back over 4000rpm big al Technical General 15 16 Jul 2008 06:12 PM


All times are GMT. The time now is 12:08 PM.



Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
LinkBacks Enabled by vBSEO 3.6.0 PL2 © 2011, Crawlability, Inc.