S-10 intermittent starting problems

I have an s-10, 2.8L TBI that will runs great for days or weeks and then it will crank but won't start after it's turn off. I did a tune-up, rebuilt TBI, replaced fuel pump and filter. There is no spray, but fuel is going to the TBI. Also replaced the coil and cleaned every ground I could find. Can anyone please help.

What year?
On the older ones you have to have spark from ign and coil before it will triger the injectors.
Does it have good spark when no start?
Is the no start temp related like hot or cold or just after you shut it down hot?
What is the fuel pressure when no start?

Sorry it's a1992. But Ithink I've might have it. Ireplaced the ignition modual and it started right up. I'll drive it for few days and see what happens.

Sorry it's a1992. But Ithink I've might have it. Ireplaced the ignition modual and it started right up. I'll drive it for few days and see what happens.

Thanks for posting back how it went.
Sounds like you found the problem.
Good luck
MT

had the exact same problem on my brothers 92 s-10 4.3L Z and yes they need to have ignition to run the TBI injectors

on his it ended up being the big pink wire from the distr to the coil it was broken inside the wire insulation to where you couldnt tell it and it would sometimes not start

finally figured it out one day messing with it while it was running


probably is a really common problme on these

i save this wire from junk ones now

dealer has it for 25 bucks though

includes the smaller white wire next to it too
and they are only a few inches long

good luck