E46Fanatics - View Single Post - Secondary Air Injection removal
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Old 08-17-2008, 08:01 AM   #18
Registered User
Join Date: Mar 2008
Location: lutz,fl
Posts: 2
My Ride: 330c1
I have been told that my secondary air pump system has caused the cel light to be on. I disconnected the outlet air hose from the secondary air pump and it blows adequate amounts of air when it is running (cold start). Does this mean that the problem is likely the secondary air pump valve is not functioning and needs to be replaced? The dealer wants to replace the whole system and charge large alot. Is replacement of the valve very difficult?
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