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idle prob?

02-12-2008, 05:42 PM
:confused: When my 96 GSR warms up the car idle's at 1000 rpm's and bounces up to 1200 rpm's and back down. This only happens when I'm sitting at an idle and the car is warm. I have replaced the IACV with a new one and have looked for a vacume leak and didn't find one. Has anyone had this prob and how hould you go about fixing it? Thank you :banghead:

02-13-2008, 11:02 AM
doublecheck for a vacuum leak like maybe a hairline crack in the manifold so when the car warms up the metal expands it allow air to come in or out

02-14-2008, 12:57 PM
wiseguy01 thank you for the info. I will check it out and let you know how it went. Thanks again

02-14-2008, 09:19 PM
try using carb cleaner and spray on the intake manifole gasket if the rpm goes up dramatically then thats your leak or anywhere there is a vacuum leak

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