Notices

Hawkeye STi misfire on cylinder 4 - help required

Thread Tools
 
Search this Thread
 
Old 24 November 2013, 01:40 PM
  #1  
Slap Head
Scooby Regular
Thread Starter
 
Slap Head's Avatar
 
Join Date: Oct 2004
Location: Bromley, Kent . Car: MY06 STi (WR Blue)
Posts: 212
Likes: 0
Received 0 Likes on 0 Posts
Default Hawkeye STi misfire on cylinder 4 - help required

Was driving the scoob yesterday (STi MY2006 - 06 plate), when all of a sudden the running became lumpy and the check engine light came on (alternating between steady and flashing). plugged a fault code reader in, and it saying cylinder 4 misfire.

I've owned the car from new and its done 63000 miles, and its been fully serviced.

Does anyone have any ideas what's likely to be the cause, could it be just a spark plug or coil pack, or something more sinister (aka expensive...)?

Last edited by Slap Head; 24 November 2013 at 01:51 PM.
Old 24 November 2013, 01:50 PM
  #2  
07STIhawkeyeAffy
Scooby Regular
 
07STIhawkeyeAffy's Avatar
 
Join Date: Apr 2013
Location: Manchester
Posts: 96
Likes: 0
Received 0 Likes on 0 Posts
Default

As you know 2.5s are weak Get a compression test carried out ASAP if that is all good then look at plugs etc
Old 24 November 2013, 01:52 PM
  #3  
tubbytommy
BANNED
iTrader: (20)
 
tubbytommy's Avatar
 
Join Date: Mar 2010
Location: crawley :)
Posts: 16,950
Likes: 0
Received 1 Like on 1 Post
Default

ringland failure
Old 24 November 2013, 02:17 PM
  #4  
Slap Head
Scooby Regular
Thread Starter
 
Slap Head's Avatar
 
Join Date: Oct 2004
Location: Bromley, Kent . Car: MY06 STi (WR Blue)
Posts: 212
Likes: 0
Received 0 Likes on 0 Posts
Default

Thanks for the replies
Old 24 November 2013, 06:50 PM
  #5  
merlin24
Scooby Regular
iTrader: (1)
 
merlin24's Avatar
 
Join Date: May 2006
Location: RM Performance
Posts: 3,032
Received 2 Likes on 2 Posts
Default

Common for ringland failure on No.2+4 cylinders tbh.
As above, get a compression test and cylinder leakdown test done on the engine.

Mick
Old 26 November 2013, 08:16 PM
  #6  
Slap Head
Scooby Regular
Thread Starter
 
Slap Head's Avatar
 
Join Date: Oct 2004
Location: Bromley, Kent . Car: MY06 STi (WR Blue)
Posts: 212
Likes: 0
Received 0 Likes on 0 Posts
Default

Turns out the problem was a bad connection on the coil pack, all sorted now, thanks to Power Engineering in Uxbridge
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Scott@ScoobySpares
Full Cars Breaking For Spares
61
11 January 2021 03:08 PM
Scott@ScoobySpares
Full Cars Breaking For Spares
7
14 December 2015 08:16 AM
wrx2015
General Technical
2
12 September 2015 08:07 AM



Quick Reply: Hawkeye STi misfire on cylinder 4 - help required



All times are GMT +1. The time now is 12:18 AM.