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Old 01-22-2007, 02:58 PM   #43
MarvelPhx
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Join Date: Dec 1969
Location: Phoenix, AZ
Posts: 1,919
My Ride: E92335i,04ZHP,99M3
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P0491 Secondary Air Injection System Insufficient Flow (Bank 1)
P0492 Secondary Air Injection System Insufficient Flow (Bank 2)

Sounds like the pump failed.
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