S2000 Under The Hood S2000 Technical and Mechanical discussions.

rpms rev up then bogs down

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Old 01-29-2011, 09:50 AM
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Default rpms rev up then bogs down

When I start the car its hard to start and i need to give it alittle gas to get it to start.. then it will idle fine for a minute or so then it starts to rev up and bog down right after revs to about 2k then bogs back down.. I just replaced the head and head gasket so wondering if I mixed up some of the vacume lines or maybe forgot to plug something in.. everything looks to be pluged in but?
Old 01-29-2011, 10:36 AM
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code p1519 idle air control valve
Old 01-29-2011, 11:41 AM
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Unpluged, or stuck IAC valve.
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