My '89 k5 has been giving me hell lately. The engine will turn over all day
> long, but never fire up. Sometimes it will fire up for a split second and
> then shut off. There's plenty of gas in the tank. I have replaced all the
> plugs, wires, cap/rotor, and even the coil. My next suspicion if the fuel
> supply. I hear the fuel pump turn on when the ignition key is turned, so I'm
> guessing the fuel filter or injectors are bad? Any ideas? It's a 350V8 with > TBI
>
>
Pump coming on is good BUT unless you actually check the pressure and flow rate it doesn't mean anything.