Engine cranks but does not start, fuel pressure regulator?

Tiny
MYERSJENNIFER49
  • MEMBER
  • 2015 NISSAN ALTIMA
  • 4 CYL
  • AUTOMATIC
  • 110,000 MILES
Crank but won't start. Will start with starter fluid being sprayed towards the carburetor but then shuts off immediately afterwards.
Tuesday, October 31st, 2023 AT 5:08 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,268 POSTS
Hi,

Either we have a fuel pump issue, or the fuel injectors are not getting power. I need you to check the fuel pump pressure. You will need a fuel pressure gauge, but most parts stores will lend one to you.

Here is a link that explains how to test pressure:

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

If you look below, I attached the manufacturer's fuel pressure specifications for this vehicle. We need to know if the pump is working properly before we move on to the next possibility.

Let me know if this is something you are comfortable performing.

Take care,

Joe

See pic below.
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Tuesday, October 31st, 2023 AT 8:25 PM

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