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That's GOOD news!! The 2 A-1 codes represent a PNP switch that is slowly going bad. When you get a flashing up arrow for the transmission, "row" the shifter from R to L and abck about twenty times and then turn the engine off and on. That should "cure" the arrow problem for about 6 months and give you time to put in a new PNP switch. I understand that Autozone sells them for under $40 for a generic copy.
The A-2 are all related to your leaky air intake plumbling. None of the intercooler pipes should be loose. Nor should the air cleaner cover. The loose air cleaner "box" may move slightly, and that is OK, but not the tubes the air goes through.
The intercooler hose that goes to the top of the radiator must be tightened down, it is just a normal hose clamp. You will need to check the hose clamp at the bottom of the radiator as well.
The A-3 error is easy. Sticking out of the vacuum booster can is a 2 wire switch, easy to see on the driver's side just under the fuse box. Verify that the wires have a good connection first, pull them off and clean the contacts and put them back on. My 1995 had the same problem until I cleaned them, they got wet and the error caused the ABS light to come on.
I just got back from NYC and haven't gone through my notes yet on what your car needs from Strandberg salvage. Keep it simple and cheap for now.
Klaus
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Volvoless. Sold the R. There is now a void...
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