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(UPDATE) 460 Ford Quits Running......But always restarts

RJsfishin
Explorer
Explorer
Trying to help a fellow RV'er, 1996 class B Airstream 460 Ford
New fuel pump installed 5 yrs ago, never a problem till 6 months ago.
Quits running,....hi speed, low speed, even idling at times,....no set pattern.
The one thing that is consistent,....it will always restart, but only after waiting about 20 minutes or so.

It has been in a shop twice for this problem.
1st time, replaced the "ignition module".....didn't fix the problem
2nd time, searched to find "nothing wrong"
A month later quit again at hi speed. It has quit twice in a day, but seldom.
Any ideas will be greatly appreciated.
Rich

'01 31' Rexall Vision, Generac 5.5k, 1000 watt Honda, PD 9245 conv, 300 watts Solar, 150 watt inv, 2 Cos 6v batts, ammeters, led voltmeters all over the place, KD/sat, 2 Oly Cat heaters w/ ox, and towing a 2012 Liberty, Lowe bass boat, or a Kawi Mule.
16 REPLIES 16

MrWizard
Moderator
Moderator
collapsing fuel line ?

i had an AMC hornet, that developed a crack in rubber fuel line between tank and steel tubing line

it did not leak fuel
it would draw air instead of fuel, {NO intank pump} and stop running at inconvenient moments
I can explain it to you.
But I Can Not understand it for you !

....

Connected using T-Mobile Home internet and Visible Phone service
1997 F53 Bounder 36s

1995brave
Nomad
Nomad
First things that come to mind: vapor lock(is it hot?) and fuel filter(in tank or on the rail).