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Old 11-09-2001, 11:43 AM
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No change in the idle when I spray carb cleaner around the injectors. While I was at the front of the car while it was running I heard a nasty sound that sounded like a bad bearing in a fan. It started then after a while stopped. I narrowed it down to what I think was the air pump (under the alternator). Could there be a problem with the air pump or O2 sensor that could be causing this rough idle (too rich) condition?

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