This is simple for me- Volvo parts from Taskaparts.com for 203.00 or IOP for 199.00.. Just picked up an 96 850 today 133,000 mi, it's parked until new compressor- kinda noisy-bearing kind and Volvo timing kit arrives.

Autozone will test for free, I just had a 3 month old battery do the same as you and only when I had them charge it did it come back, it took a Long time to completely charge , but has worked ok for several months

of course check codes, but An easy fix if problem. My first volvo just didn't like to start in the cold until I switched to light oil in the fall. 5w something depending on mileage. that was many years ago-several vehicles later and have done it religiously. My sister joined the volvo church a few y...

Whats the status of your vehicle? I haven't seen any other posts. I have a 93, always looking for stuff.