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Engine Noise at Start-Up

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Old 09-22-2005, 09:31 AM
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Default Engine Noise at Start-Up

Sometimes immediately at start-up, there is a whistling noise coming from the engine, like these is a rapid release of gas. It doesn't do it everytime, but probably about once a week. Anyone experienced this before/anyideas why this might be happening?
Old 09-22-2005, 11:23 AM
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Default Re: Engine Noise at Start-Up

Think it's the secondary air pump. Should stop after 5-10mins after cold start.
Old 09-22-2005, 11:53 AM
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Default Re: Engine Noise at Start-Up

It only last for a second or so. Do you still think it is the secondary air pump? Also, it never did it and just started a couple weeks ago
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