Questions tagged [fuel-pressure-regulator]

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Problem woth my 03 Subaru Forester 2.5

So I replaced the motor and when I first did it. It was running good and then all hell broke loose start running really bad and the more I got liking into this problem I remember I broke something ...
Boydie Fenton's user avatar
2 votes
1 answer
153 views

Fuel pump and or fuel pump regulator module on 2006 Honda CRV 2.4 l

Okay so I'm working on this car and it hasn't been cranked or started and she said over a year approximately. When I tried to start it for the first time it cranked, but no start. Second time crank, ...
LOCZTA13's user avatar
2 votes
0 answers
2k 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 ...
LeeRoy's user avatar
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3 votes
1 answer
7k 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 ...
Robert Dressler's user avatar
2 votes
2 answers
97 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 ...
user1155149's user avatar
6 votes
1 answer
2k 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 ...
Robert S. Barnes's user avatar
3 votes
1 answer
276 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 ...
Robert S. Barnes's user avatar
3 votes
1 answer
4k 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 "...
Robert S. Barnes's user avatar