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Old 12-13-2007, 12:33 PM   #1
krazykarl885
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Dizzy More SL1 engine issues- different this time


Hi all,

Ive made a little progress on curing my SL1 of its engine issues. However now instead of idling high it idles too LOW? it seems to only idle between 200/500 rpm which is lower then it should. When coming to hard stop it almost wants to stall out. The codes its kicking up are 35 and 49- I found and fixed one of the vacuum leaks- the grommet of the pcv valve was bad. However it seems as though there still may be a vacuum leak that I cant seem to pin down coming from somewhere near the IAC/throttle body. Could the IAC itself be going ? Could this be the egr? The low idle when standing still also makes me wonder the fuel filter? Where is that on these cars? Anyone have any ideas or addtional help? Car is a 93 SL1 w/ sohc, manual trans and 138K

Thanks for all the help so far- I really appreciate all the knowledge and help you folks provide!

Karl

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Old 12-13-2007, 01:07 PM   #2
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Default Re: More SL1 engine issues- different this time

what all have you done to try to fix this already? My first suspicion would be the idle air control valve, which may be fixed by a good cleaning.

http://www.saturnseries.net/DIY%20Gu...gh%20clean.htm

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