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Warms-up then DIES!!

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Old Jun 19, 2008 | 07:54 PM
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Cool Warms-up then DIES!!
I have a 1978 F-250 Crew Cab 4x4. We start it, and it runs until it is warmed up, then it dies. It will not start again until it cools down.

Help!
 
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Old Jun 19, 2008 | 08:01 PM
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Sounds as though the ignition module need to be replaced.
Eventually it will fail all the way, and the truck will not even start.

Where are my manners?
Welcome to the site.
 
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Old Jun 19, 2008 | 08:23 PM
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Sounds about right...the modules overheat and create 'open' circuits in the box. Hot the circuits open, cools off and the circuits are back to normal.

Not to bad of a fix actually..

S-
 
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Old Jun 19, 2008 | 09:32 PM
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Thanks for the info
 
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Old Jun 19, 2008 | 09:33 PM
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Thanks for the conformation.
 
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Old Jun 19, 2008 | 11:14 PM
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Yep,thats most likely the problem.
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Old Jun 19, 2008 | 11:16 PM
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sounds just like my sex life.
Check that your choke is opening up all the way too.
 
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Old Jun 20, 2008 | 08:54 AM
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Sounds more like the choke is sticking shut, because the ignition module usually takes some driving around to get hot enough to cut out.
 
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Old Jun 20, 2008 | 09:09 AM
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That's a point. Define how it "Dies"? Does it just up and quit? Or does it do the "Cough and Sputter" when it dies. (the cough and sputter would also make very rich exhaust and blackened smoke from tailpipe in most cases)

S-
 
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Old Jun 20, 2008 | 06:09 PM
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The ignition coil may be the trouble here too.
 
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Old Jun 20, 2008 | 06:10 PM
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Another thought, check to see if the fuel lines are routed AWAY from the engine so they don't vapor lock!
 
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