On first start up engine shuts off

Tiny
DELLUNAA@GMAIL.COM
  • MEMBER
  • 2004 DODGE RAM
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 153,000 MILES
On first start up engine starts then shuts off within one to two seconds. Then it will start and run good.
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Monday, February 11th, 2019 AT 8:41 AM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi and thanks for using 2CarPros.

Based on your description, it sounds like there is an issue with what is called fuel pressure drop off. I want you to try this little trick on first start up.

1) Turn the key from off to the run position (not start) and count to three.

2) Turn the key off.

Repeat the steps three times and on the last time, see if it starts and stays running. If it does, it is a fuel pressure issue and I would recommend checking pressure and drop off.

Here is a link that shows how to check fuel pressure in general:

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

For directions specific to your vehicle, see pictures 1 and 2. Also, here are the manufacturer's specifications for pressure.

Fuel System Pressure .................... 400 34 kPa (58 2 psi)

Let me know what you find or if you have other questions.

Take care,
Joe
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Monday, February 11th, 2019 AT 5:10 PM

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