Go Back  Saab Forums - Saab Enthusiast Forum > Saab Model Line Up > Saab 9-3
2000 9-3 Rough idle and check engine light on >

2000 9-3 Rough idle and check engine light on

2000 9-3 Rough idle and check engine light on

 
Old 11-03-2010, 12:25 PM
  #1  
Junior Member
Thread Starter
 
Join Date: Apr 2010
Posts: 9
Default 2000 9-3 Rough idle and check engine light on

My 2000 saab 9-3 just began idling roughly and the check engine came on. It runs perfect when driving, just has problems when idling. Any ideas?
tiodecember is offline  
Old 11-16-2010, 09:58 AM
  #2  
Junior Member
 
Join Date: Nov 2010
Location: Boston, MA
Posts: 2
Default

Is the rough idle only happening on start up? Is it throughout the drive? How long has it been going on?

I actually picked up a 2000 9-3 last friday (11/12). I brought it home and noticed a rough idle only on startup for a few seconds and my check engine light is on. I was thinking it was the ignition coil. Took it to Autozone to check out the code and just as I figured it was an ignition coil problem. I would take it on over to get the code read.
Malnacido is offline  
Old 11-30-2010, 10:03 PM
  #3  
Super Moderator
 
Join Date: Dec 2006
Location: Kiev, UA
Posts: 2,030
Default

I'd start with replacing the plugs. These cars are very sensitive to having the correct COPPER resistor plugs. Factory NGKs are best. Watch that gap, it has to be precise. The plugs are used to detect knock in addition to their normal function and fouled plugs will cause both a CEL and rough idle.
Roto is offline  
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
info2
Saab 9-5
0
05-14-2013 07:16 AM
nbsman
Saab 9-3
9
06-25-2008 11:50 PM
davisrf
General Auto Related Help Area
0
05-06-2008 12:30 PM
ode
General Auto Related Help Area
3
08-18-2007 11:21 AM


Thread Tools
Search this Thread
Quick Reply: 2000 9-3 Rough idle and check engine light on


Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.