Fuel system?

Tiny
SERGIO MACIAS
  • MEMBER
  • 1998 MERCURY GRAND MARQUIS
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 209,000 MILES
Does anybody know what this is called?
Friday, August 9th, 2024 AT 7:27 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
That is called a "Schrader valve" which is used to help test the fuel pump pressure.

This guide can help see what it is used for:

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

Let us know if you need anything else.

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Saturday, August 10th, 2024 AT 10:58 AM

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