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OBD II Code P0410 850 1996

posted by  BZ on  Thu Nov 6 06:56 CST 2014
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last visit: Thu Oct 23 13:12 CST 2014
[RELATED]

'96 850 wagon, 350k miles, 5 spd. transmission.

Just when my dashboard had been cleared of all unusual warning lights, my CEL came on last week after a somewhat rough start. Code read P0410. I cleared it, and the car drove fine. Yesterday, the same thing happened - the car wouldn't crank on the first try, then started right up, and illuminated CEL (P0410). Any thoughts?

Thanks,

Bernie








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posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

A P0410 is a SAS failure code. The secondary air injection system is supposed to supply air to the exhaust manifold while the engine is cold, it helps burn some of the rich startup mixture.

If you are not in California, then Volvospeed has a procedure to eliminate the SAS from your car.

It is probably a purge valve that failed, the air pump located below and forward of the battery, or the purge soleniod.

I deleted mine or a 1996 850.
--
My back feels better when I sit in a Volvo seat



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posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

It's all coming back now! I soldered in that diode in the ECU module about 6-8 months ago to get rid of that code. 'Must've not done a good soldering job, or the diode burned out.

Thanks!



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posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

Checking the diode is easy enough, but you also need a working solenoid and fan relay (with the blower unplugged).
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posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

I never did unplug the blower ...



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posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

I went to www.startpage.com

Plugged in: 1996 Volvo 850, OBD II code, P0410

http://www.bimmerforums.com/forum/showthread.php?1320200-1998-528i-S-A-S-Pierburg-Air-Pump-Maintenance-and-Rebuild-Info

There's more there for your reading enjoyment

Bill



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