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8 Posts
Hi folks,
I've done some research on high idling issues but haven't quite found my particular situation.
My 5-speed manual 1996 Saab 900S 2.3 convertible (non-Turbo) idles high after I press down on the accelerator but it drops back to normal idle after the engine warms up. It's been quite cold here in the Northeast (NYC area) though the issue started earlier this winter. I feel like my engine is getting beat up over this issue, especially in the bitter cold we've had lately.
This weekend I cleaned out the IAC after following the advice from this thread:
http://www.saabcentral.com/forums/showthread.php?t=156413#/forumsite/21020/topics/156413?page=1
And this visual guide on cleaning the IAC (or AIC?) was super helpful: http://pages.infinit.net/mlbriand/saab/iac/page1.html
Nonetheless, the idle is still high when the engine is cold and there are no visibly leaky hoses to throttle body. The battery is new as of a few months ago. The oil was changed by a shop last month (could that have knocked something loose?).
My check engine light is on, but it's been on pretty much since I've had it. It's usually an O2 sensor but even after replacing it, the check engine light comes back on in a week or two.
Do I just have to tough this one out until winter is over? Or is there something obvious I can look at? Again, when the engine warms up, the idling is fine.
Thanks!
(P.S. I've looked at this guide http://www.saabcentral.com/techhelp/c900/idling_problems.php too but that's for a classic 900.)
I've done some research on high idling issues but haven't quite found my particular situation.
My 5-speed manual 1996 Saab 900S 2.3 convertible (non-Turbo) idles high after I press down on the accelerator but it drops back to normal idle after the engine warms up. It's been quite cold here in the Northeast (NYC area) though the issue started earlier this winter. I feel like my engine is getting beat up over this issue, especially in the bitter cold we've had lately.
This weekend I cleaned out the IAC after following the advice from this thread:
http://www.saabcentral.com/forums/showthread.php?t=156413#/forumsite/21020/topics/156413?page=1
And this visual guide on cleaning the IAC (or AIC?) was super helpful: http://pages.infinit.net/mlbriand/saab/iac/page1.html
Nonetheless, the idle is still high when the engine is cold and there are no visibly leaky hoses to throttle body. The battery is new as of a few months ago. The oil was changed by a shop last month (could that have knocked something loose?).
My check engine light is on, but it's been on pretty much since I've had it. It's usually an O2 sensor but even after replacing it, the check engine light comes back on in a week or two.
Do I just have to tough this one out until winter is over? Or is there something obvious I can look at? Again, when the engine warms up, the idling is fine.
Thanks!
(P.S. I've looked at this guide http://www.saabcentral.com/techhelp/c900/idling_problems.php too but that's for a classic 900.)
I lubed the shaft, and no problems since then. This is a known issue with the throttle bodies on this car.
