88 b2 random shut down, takes awile to restart

[jrpdash9]

hello, so i bought this b2 with a 2.9 with a fuel problem. the guy had replaced a crap load of stuff ( it was restored and the engine and tran was rebuilt) it would run so long and shut down. it was the fuel pump relay. ran great for a week. then the day i had the ranger apart i took the b2 to work it was raining and it just shut off. fuel pumpes where not getting power. i triped the relay still nothing. after playing i got it started. i though it was just the rain. then on a sunny day it just shut off again. but it started right back up. here is all the stuff replaced

both fuel pumps
computer
coil ( i went to a msd street fire coil)
distibuter
relays
fuel pressure reg
1500 miles on a complete rebuild
any help? im lost

 

[CarsonChris68]

http://www.therangerstation.com/tech_library/TFI_Diagnostic.html

 

[adsm08]

Let it run until it dies then check for spark while cranking.

A weak TFI can cut out completely when it gets hot.

 

[jrpdash9]

Ok I think I fixed it. Pulled the cap and it was croated. Replaced it. Running better then ever

 

[jrpdash9]

Thanks guys