S2000 Under The Hood S2000 Technical and Mechanical discussions.

Air pump acting weird

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Old 08-17-2006, 10:57 PM
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Default Air pump acting weird

When I start my car it does everything normal. Right after the air pump shuts off it comes back on again then cuts off after a second or two. What could it be?
Old 08-18-2006, 02:37 AM
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It could be that the air pump is cycling on and off .

It's normal.
Old 08-18-2006, 03:54 AM
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Normal. It's the PCM doing the air pump function check.
Old 08-18-2006, 07:25 AM
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Whew... I don't know why but it seems to have only done it lately. Perhaps I just never noticed. I always thought after it cut off the first time that was it. Thanks guys
Old 08-18-2006, 09:15 AM
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hmmm, funny, i have the same thing. runs for a bit, cuts off, then comes right back on for just a couple seconds.
Old 08-18-2006, 09:31 AM
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I think this sound is really cool.... I wish that it was OK to put this pump on a switch and turn it off and on as you please.
Old 08-18-2006, 10:47 AM
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Ah, so the air pump is that motor-sounding event that comes on as you start the car, then turns off after a while? Interesting.
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