Questions tagged [fuel-pressure-regulator]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2
votes
0answers
1k views

Replace fuel rail pressure sensor in 2006 Mercury Mountaineer?

The car is a 2006 Mercury Mountaineer V6, got about 150k miles. The dealership sale rep is telling me my fuel rail pressure sensor is shorting out and needs to be replaced. Apparently, its causing ...
3
votes
1answer
3k views

Fuel pressure regulator location?

I am trying to replace a fuel pressure regulator on my 2000 Honda Accord LX 3.0 engine. I bought the correct FPR. However, I am looking for the location near the engine. 1999 had it on the rail, but ...
2
votes
2answers
67 views

Why can't I connect my R/R directly to the battery?

This is in a motorcycle. I'm having issues in the charging system. I tried to rule out some things by connecting the output of the regulator directly to the battery, but the voltage is lower than ...
6
votes
1answer
1k views

Do I have a fuel pressure or injector problem Part 2

This is a continuation of my previous fuel pressure / injector question. So the missing part for my fuel pressure gauge came in and I was able to do a few more tests. The first thing I think is that ...
3
votes
1answer
193 views

Why are there separate Fuel Pressure Regulator and Maximum Fuel Pressure Tests?

There are a few different active fuel pressure tests listed in the 97 Mazda 626 GF Work Shop Manual ( European ). The first two are an idle pressure test ( 30 - 36 psi ) and a fuel pressure regulator ...
3
votes
1answer
884 views

Do fuel pressure regulators allow some fuel to flow even when not turned on?

I'm completely rewriting this question since I really wasn't clear before. When discussing a fuel system with a return line and a vacuum operated fuel pressure regulator such as this: Where it says "...