2001 Ford Ranger what is on the fuel rail?

Tiny
PERRYTIME
  • MEMBER
  • 2001 FORD RANGER
Engine Performance problem
2001 Ford Ranger Two Wheel Drive Automatic 134000 miles

It appears to me the fuel pressure is regulated in the tank, I see no return line on fuel rail. There are 2 lines between tank and fuel filter. What looks like a traditional fuel pressure regulator is on the fuel rail, between 2 injectdors, it has a vacuum line to it. Fuel pressure was 65 with and without vacuum line connected. What is function of this device? The device does hold a vacuum, so diaphram is good.
Tuesday, May 18th, 2010 AT 10:33 PM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Does it look similar to pic below? if so that's your fuel injector pressure damper..


https://www.2carpros.com/forum/automotive_pictures/261618_Noname_2187.jpg

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Tuesday, May 18th, 2010 AT 10:46 PM
Tiny
PERRYTIME
  • MEMBER
  • 3 POSTS
Sounds like nothing I need to worry about. I just wanted to be sure its normal for fuel pressure to be constant with device unplugged.
Thanks
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Tuesday, May 18th, 2010 AT 10:50 PM

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