I have a 2001 Dodge Ram Van 2500/w a5.9 liter Engine. My question is every time I start
It and let run for about 5 to 7 minutes it shuts down, and won't start right back up so what do you think it is?

Thoughts:

. Check all under-dash and under-hood fuses with a test light or multimeter. Here's how:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-46563-3.html#post252145

This step will help you establish a "known-good baseline."

. Test for codes--AutoZone will do this for free.

. Test/replace the Ignition Control Module (ICM) and coil. AutoZone will also test these for free. Consider replacing the Crankshaft Position Sensor (CKP). If the ICM-function is performed by the PCM (computer) on your truck, then you may need to have it analyzed.

This is what the ICM may look like on your van. Again, I know your van may not have one:

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