IS A FUEL PRESSURE RELIEF VALVE THE SAME AS A ...

  • Tiny
  • christopherclemens
  • 1993 Chrysler New Yorker
  • 100,000 miles

Is a fuel pressure relief valve the same as a fuel pressure regulator

Tuesday, February 5th, 2013 AT 3:06 AM

3 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,549 posts

The regulator regulates the pressure to a certain determined pressure.

The relief valve is I the fuel pump itself that will retain pressure when it is at rest

Roy

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Tuesday, February 5th, 2013 AT 3:13 AM
  • Tiny
  • caradiodoc
  • Expert
  • 25,257 posts

Probably. Never heard it called a relief valve like they use in an oil pump. Chrysler has had extremely little trouble with their fuel pressure regulators. I've only read about one ever leaking, and I had one with a cut o-ring that caused a long crank time for the engine to start. The part cost five cents for that repair.

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Tuesday, February 5th, 2013 AT 3:14 AM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,549 posts

I agree. Very unlikely failure

Roy

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Tuesday, February 5th, 2013 AT 3:20 AM

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