Ok, I posted the other day about this.  Someone said it could be the air
mass sensor, or the coolant temp monitor.

It just got harder and harder to start.

Here's the history again:

This car has been leaking about 1qt of oil per month for a couple of
years , and I ran low on oil several times, and there's likely lots of
gunk in the engine.  Not sure what this would do to the fuel system though.

Then, one day, it just started hemmoraging oil.  I took it to my regular
shop, and they said the flame guard was clogged, and it blew out my
seals, and something on the side of the engine.  Luckily I was near the
shop at the time.

They fixed that, but it was still leaking oil as usual, I took it back,
and they finally got the damned seals in right, because the leaking
pretty much stopped.

However, right after that, it began having problems starting.

I finally took it into a shop near where I live now, they replaced the
distributor cap and rotor, said they were shot.  That gave them some
spark and they were able to start it, but by the time I got there and
tried to start it, it would almost catch, then die, then wouldn't start.
 They started it by spraying carburator cleaner into a line on the top
of the engine.

I brought it back in, and they did some more work on it, cleaned the
coolant sensor, cleaned a bunch of crud out of the ?mixing chamber?, and
it was working better for  a while.  Now its getting worse.  I've been
relying on the carburator cleaner to get me started, but its just
getting worse, running rougher, etc.

They tested the pressure on the fuel pump, and said it was only getting
about 30psi, where normal was above 40, but they didn't feel this was
the ultimate problem and didn't want me to throw more money at it in
case it didn't work.  They checked the fuel pump relay and that was ok.

I'm wondering if it might be something as simple as a bunch of crud in
my gas tank.

I bought some fuel system cleaner, but am leery of using it in case I'm
going to make something still worse.

The shop who just worked on it said they don't know what else to do and
the next stop should be a dealer.  My experience with dealers is that I
will be screwed to the wall, but I can't find any reviews for any of the
independent Volvo mechanics in my area (Fremont/Newark, Ca.)

Any further advice on this would be appreciated.