Car wont start and RPMS jumped up and down when it was dying!!!

[Beanokid69]

ok, so two days ago I was taking my friend home and I was very low on gas, on the way up his hill my car started to sputter hard, backfire and the rpms would drop to 0 and back to where they were supposed to be at....I figured I was running out of gas. I called my other friend and he brought me some gas and my car started up just fine, on the way down the hill it sputtered for a second or 2 then was fine again so I figured it was maybe some low on pressure in my fuel lines or something. All was fine for the next day but today it started doing it again. It will only do it for a minute or so then be fine again, So im guessing something is starting to fail. What could it be? Im guessing something spark related because when that happens I backfire and can smell the unburnt fuel. It acts just like when you blow off an intercooer pipe aside from the rpms jumping up and down. It cant be a boost leak though becuase it only does this once in a while.

**UPDATE** The car died yesterday and it wont start.

I changed my transistor....I couldnt find a 92-94 turbo and im not 100% sure if it is turbo/non-turbo specific....but since I have a universal COP setup I happened to find a 90-91 turbo transistor and a 92-94 non turbo 2.0L transistor and I tried both of those and my car still wont start.

What else could be the problem? How can I test my COP and Transistor? I dont have a volt meter btw

 

[architechnik]

You should be able to pick up a voltmeter for only $20 and it would be a good investment for future work.
If you burned it down to near empty you may have had something in the bottom of your tank.
Have you removed the plugs to check the combustion chambers for anything unusual?

Check your gas tank and see if there is anything clogging the pump intake filter and try changing your engine bay fuel filter.
The fuel pump may have burned out (from running dry) or burned a fuse. If you disconnect the fuel filter and is is dry, then you've got a supply problem.

 

[Beanokid69]

**rpms jumped up and down** fuel doesnt do that.....and I found the problem it was my crankshaft angle sensor....but thanks for the help.