1996 850 n/a sas pump malfunction

nsmith4815 · Post by **nsmith4815** » 14 Apr 2014, 07:46

I plugged my car in the other day just to check on it and see if everything was running well and I received the code p0410. upon further research I found that this has to do with my secondary air injection system. I also have a misfire on the 4th cylinder and I'm guessing this could be causing it. my question is does anyone know where the issue could be in the system ? I do not currently have a check engine light on but I would like to prevent it.

Post by **rmmagow** » 14 Apr 2014, 07:55

Common failure for these cars. The thing can be removed and a minor change made to the computer or you can replace the pump and check valve. I used a very inexpensive pump and check valve bought through Ebay and they work fine.
The misfire is a separate issue. Pull your plugs or better yet swap them out if very old. Cap, Rotor and wires are a big deal too. Plugs, VOLVO only, Cap/Rotor BOSCH only, wires Bougicord only.

Post by **cn90** » 14 Apr 2014, 08:18

Search forum for "SAS Delete" using the 99-cent diode from Radio Shack.