MurphyEF

Alright, so for all lf my searching, I haven't found much more than possibilities. Here's the deal:

Driving to work this morning (45 mile commute) and about halfway there i notice that my Z starts to kind of hiccup whenever I go over a bump. It's almost like it has an air bubble in the fuel system (not so, btw). Shortly after that, the bloody thing died on me. It wouldn't start untill it had cooled down, and then only ran for about a block. So, I parked it and called for a ride. Get back to it tonight after work and hop in, it starts right up. It makes it about 3 blocks when it starts to "hiccup" again. It made it all the way home, but not by much. I replaced the fuel pump (due to what research I was able to do while waiting for my ride) and it's still doing the same thing. She's a 1979 s130, btw. I'm thinking it's the fuel pump relay under the glove box? I just want to make sure, rather than throw more money at it. Hopefully it will get me to work tomorrow, at least..

MurphyEF

also. when it dies, it will turn over all day long. It's a strong runner in that aspect. One thing I noticed, is even that when it;s warm and idles, if you pop the hood and use the throttle linkage to rev the engine, it doesn't seem to hiccup. Also, the bumps only start the hiccups, it seems. After replacing my fuel puymp, it will hiccup on perfectly level ground intermittently.