Will not restart have to let it cool off then it will start

2008 DODGE DAKOTA
195,000 MILES • 3.7L • 6 CYL • 2WD • AUTOMATIC
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2008DODGE195000
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  • 1 POST
Starts first time, runs good. Turn off, will not restart. Cranks, fires, then just cranks and cranks. Let it cool off for an hour or so, will start. Parts changed: starter, ignition switch, all ignition relays, camshaft sensor, crankshaft sensor, battery, everything except PCM. Help!
Mar 18, 2018 at 10:04 PM
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning.

When the engine will not start, did you check for fuel pressure? If not, I would start there to be sure the fuel pump is delivering correct pressure. if you do not have a tester, you can rent one at a parts store.

Can you hear the fuel pump run? you can try to spray some starting fluid in the air filter and see if it starts and stalls. that will confirm fuel delivery.

Roy
Mar 19, 2018 at 1:44 AM
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PATENTED_REPAIR_PRO
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try a new fuel pump relay.
Mar 19, 2018 at 8:25 AM
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RENEE L
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 1,260 POSTS
Hello 2008DODGE195000,

Thank you for visiting 2CarPros. Here is a helpful link to an article from this site with step by step instructions and pictures explaining the process of checking the fuel system pressure, regulator and fuel pump in less than fifteen minutes:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

If you need further assistance please come back to the site we are always happy to help.

Kindest regards,

Renee
Admin
Mar 19, 2018 at 9:59 AM