93 Olds 98 Starting problems.

I have problems starting mostly in the morning (cold , but not too cold).  It also happens intermittantly.  Some days it is fine, others it won't crank.  On the days it won't crank, if I just leave it alone and come back in an hour or so, it will start up more times than not.  A lot of people point to the fuel pump, I had the FP replaced about 1 1/2 years ago (could be bad again?).  I also read that the Ignition control module could cause some of the problems I am having.  I took off the ICM and had it checked at the parts store.  Was tested 5 or 6 times and didn't fail at all.  Also notice when it cranks, the idle may be very high or may be very low (not consistant).  Also while it is running it will sometimes hesitate when I try to get on it a little bit.  If I back off and accelerate slowly, it works fine.  Don't know if any of these problems are related.  Just need help.  Car is too old to take it to the mechanic and pay hundreds of dollars to have it checked out.  93 with 236000 miles.  Any help or suggestions would be appreciated.