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Old 07-28-2010, 05:56 PM   #1
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Join Date: Mar 2003
Location: Burbank, CA. (Los Angeles)
Posts: 204

2002 SL2
Default Iacv fixed high idle now getting periodic low idle

Hi all once in a while my idle will drop to the point where the car won't idle I'll have to keep my foot on the gas or sometimes I can turn the air on and that will be enough to keep the car running then a few minutes or so the car will return to eight hundred or so. Also my car will ping if I accelerate hard but if I really flog it it will run fine for a little while and you can smell the cat.. I tried cleaning the egr valve but i have to say the little valve looked like it was toast could these all be an egr? Also the other day when I was clearing a high idle code due to iacv I noticed a code that was still in the works for the rear o2... Thanks!
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Old 07-28-2010, 10:18 PM   #2
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Join Date: Dec 2007
Location: Madison, Wi
Posts: 3,093

1997 SL2
Default Re: Iacv fixed high idle now getting periodic low idle

Sounds like to me like a new cat may be in your future maybe? (Good luck with that in CA btw!) When it's doing that pull the front O2 sensor and see if it improves.
1997 - SL2, barebones, 161k, Auto - Rebuild complete and.. burnt a valve 20k later Arrgh!
Purchased 114k 10/07
Added OEM CC
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