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00 Cadillac Deville PO 410

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P0410 - Secondary Air Injection (AIR) System

Do a search here under P0410 there is a lot of info. That is P ZERO 410 or P0410

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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  • 3 weeks later...

Nope. Never heard of that. The idea is to prevent water intrusion. The new pumps (actually it's just a blower) have a redesigned intake that draws air from the engine bay behind the air filter housing. However, if you look at the diagram, the weak point is a poorly designed intake cover (#9) on the bottom where the intake hose is attached. I got some electrical wire and wired it 17 ways from Sunday so it will never come off. It looks like Bubba and Billy Jo installed it, but it is hidden from site anyway. Function before form.

P.S. This diagram is actually the old system. Parts #1,2 & 3 will be different. The intake will actually snap into an oblong hole already stamped in the sheet metal. I think that is it just below #4.


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