My 850 wagon is giving me this code. I have replaced the intake gasket throttle gasket clean the flame trap replaced all the vacumn connections.I have swap the AMM and this didn't help.When the car is dead cold it runs great but after it get hot the idle surge will start until it cuts off.I looked over the form for this code with no luck.I guess the next thing to replace is the ECT and the O2
this car has three computers to operate.Where do I need to look.
Rodney

I fixed the 850 the ECT was giving the code I drained the computer and restarted the car and another code it was 113 which was the O2 sensor gon bad I put one of those on and now the car run great.
Rodney

Before you go throwing any more money at it, take a look at the vacuum elbow under your battery tray...is it cracked? This can often lead to a car throwing these codes, and is overlooked because it's not visible.

Is this the Tee elbow or which one
Rodney

I believe it's just a plastic/rubber elbow...the only "T" ones I've seen on my car are copper if I remember correctly

Here's some suggestions of another to check out:
http://volvospeed.com/vs_forum/index.php/topic/29028-vacuum-elbow/page__s__dbde0183924c7beb010d56c32ab60aae

http://volvospeed.com/Repair/vacuum_lines.php

Well, with all of the work you've done, you've probably had the battery disconnected, but you might want to review this thread concerning resetting the LTFT table from another recent post.

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'96 850 and '83 244 DL both at about 190K; the '81 GLT 245 @ 280K is available

I have already donethe battery disconect and that didn't help
Thanks
Rodney