S2000 Under The Hood S2000 Technical and Mechanical discussions.

Air Pump won't stop

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Old Dec 1, 2009 | 08:25 AM
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Default Air Pump won't stop

My air pump stays on when I turn off the car. Do you know what can cause this?

Thanks
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Old Dec 2, 2009 | 10:44 AM
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anybody?
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Old Dec 2, 2009 | 12:10 PM
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the relay might have melted short cct?
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Old Dec 2, 2009 | 12:11 PM
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for the time being, pull the air pump fuse so you don't burn out the air pump...i doubt the pump was designed to run continuously
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Old Dec 2, 2009 | 07:27 PM
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can I ask why this engine need an air pump?

I'm a recent s2k owner and trying to understand it. (by the way search doesn't work)
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Old Dec 2, 2009 | 07:32 PM
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it heats the cat up faster during cold starts.

emssion purposes.
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Old Dec 3, 2009 | 06:38 AM
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Can you tell me where the relay is located? I know the fuse is near the pump behind the front bumper but I'm not sure for the relay.
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Old Dec 3, 2009 | 08:25 AM
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Thanx Homer
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Old Dec 3, 2009 | 08:31 AM
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i can't remember where it's located but the part number is 39794-PCX-023
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Old Dec 3, 2009 | 02:55 PM
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From a diagram that i saw it is right next to the air pump. It has 2 connectors coming from it.
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