Fuel problem solved
Just to help others----
#1 son called with fuel problems,
--- 91 454 F.I. p30 in a S.O.B- F.R.P. brand
Problem was: ran fine when it was shut off.
Upon start up a week later, it would run VERY rich with very high idle and only start with the accelerator fully depressed (clear flood) and was barely driveable
After a few quick checks for obvious things, we pulled the coolant temprature sensor (for the computer, not the gauge) and an ohm reading
showed that it was telling the computer that it was 50 below zero, thus a extreamly rich mixture was being delivered.
a replacement sensor was installed, and all is well!!
Needless to say, this would have been frustrating to someone with limited ability -------AND on the road with 27 kids and 4 dogs all asking
are we there yet Daddy????
I hope this might help someone else.