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SUPRYZE, Technician/Shop Foreman
Category: Car
Satisfied Customers: 2158
Experience:  GM & Saab Certified, ASE Master Technician
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Saab: 5 with the check engine light..injection says

Resolved Question:

I have a Saab 9-5 with the check engine light on due to secondary air injection pump problem. The dealer says it will cost $1000 to replace pump and two check valves - Ouch! I am thinking that maybe the pump choked on the filter or something simple like that. Can these pumps be repaired?
Submitted: 8 years ago.
Category: Car
Expert:  SUPRYZE replied 8 years ago.

Hello! Sorry to hear about that! What usually happens, is the checkvalve deteriorates over time and allows some exhaust gas into the air tube. Water vapor is a natural byproduct of combustion (which is why cars smoke when started and its cold outside and water drips from the tailpipe). That water vapor condenses in the air tube and goes down to the pump, which can rust the insides (seize) or short out the electronics, both of which require pump replacement, and they reccomended the checkvalves to prevent future failure.


If your handy with tools, you might be able to do it yourself and purchase the parts from an aftermarket (reputable) part supplier like (I think their website is currently down at the moment, I tried to look it up for you).


I don't know of anybody who rebuilds them, but its basically just an electric motor, so if you know of anybody who rebuilds electric motors in general, they might give it a try.


Please let me know if you have additional questions!

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