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1. Any fuel system with ethanol in it will be suspect after awhile of no use. In my experience(which isnt a yuge amount but still...) a fuel pump either works or it doesnt. If your getting only part of the PSI you need then I`d look at the filter or some other spot a blockage might occur first. 2. Yes, the injectors wont function right without good fuel PSI 3. If your getting 12V to the fuel pump with the key ON then the relay is working.

149,996mi I`m thinking about registering for a spot at the Good Guys show in Lebanon, TN next month. Its now open to all American cars `99 and earlier.  

After 2 years of neglect, I finally had an opportunity to get the W cars out.  I started with the '94 Cutlass Supreme and found a no start issue.  Cranks but doesn't start.  Put the fuel pressure guage on the rail and no pressure.  I don't hear the pump when turning on the key.  I moved onto the '95 and it cranked for a while and then finally started but ran rough with a miss.  Checked all the plugs and they looked good.  Verified spark from the all the coils.  I hooked up the fuel pressure guage and it only pumps up to 22#.  Started the car and it came up to 32#.  I shut the car off and the pressure slowly bled off over the next 30 minutes to 22# and held there.  I decided to walk away and start a '92 Custom Cruiser and guess what - cranks but won't fire.  The fuel pump is not working there, either. Questions are these: 1) Is it typical for these pumps to not want to work after setting for a couple of years?  If so, is there a way to resurrect or are they toast? 2) 22# of fuel pressure appears to be about half of what it should be.  I can see that it might cause a hard to start situation.  Running at 32#, is that low enough to cause a rough running situation? 3) If I bypass the pump relay, how high should I expect the pressure to go? I don't relish dropping a bunch of fuel tanks if I don't have to.

The problem could be with the switch if the contacts have gone bad. If you have a multimeter you should be able to test it for continuity. 

Mine's still working, which is a good thing since I can't find one.:( Guess I'll keep my eyes open for a replacement as I'm sure I'll need one at some point. In the mean time I get to try and figure out why my top will go down but not up on it's own. lol