Help...Idle rpm see-sawing from 1000-2500rpm...WHY?

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Apr 8, 2005 | 07:53 AM

lilgrasshopper

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Help...Idle rpm see-sawing from 1000-2500rpm...WHY?

The car rocks back and forth like that...it's embarrasing. I did a search but not sure what to look for...most people bet on dirty IACV...some one O2 sensor...but I don't have CEL. This is a recent GSR swap. Thanks so much

Apr 8, 2005 | 08:00 AM

gen2tegls

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From: Brandon FL

dirty IACV that is what i belive cuz my 90 integra did the same thing i would check that first b4 jumpin to conclusions

Apr 8, 2005 | 08:26 AM

MaxOctane

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I recently had this problem right after I replaced my head. My problem was that I had a vacuum leak. Look for a leak or crack in one of the vacuum hoses.