My mechanic said it was a small part in the fuel line that helps keep pressure in the line. What is this part called? How inexpensive of a fix if you know what you are doing?

Kyle McAdams

Asked by Nov 10, 2015 at 12:50 AM about the 2003 Mitsubishi Eclipse GS

Question type: Maintenance & Repair

does not always start on the first try, does
not have issues once it's running, asking so
I can price it fairly for private sale

7 Answers


The fuel pressure regulator? Not all that expensive but if you have no mechanical experience I would recommend that you have the work done by a pro.

2 out of 2 people think this is helpful.
Kyle McAdams

Define not that expensive? I thought that's what he said but I was under the impression you had to drop the tank to fix it, and when I researched it online it looks like it sits close to the engine so I am confused?

1 out of 1 people think this is helpful.

I think maybe the part you need is something else. You need to ask the mechanic or look at the quote if you received one.

1 out of 1 people think this is helpful.

The fuel pressure regulator is on the end of the fuel rail. nowhere the tank -

1 out of 1 people think this is helpful.

There may be a check valve at the tank or at the fuel pump.

Kyle McAdams

He didn't give me one because he said it wasn't a necessary repair and he had the same issue on his jeep. All I remember is he said it wasn't the part that was expensive, but the labor. It seems to only happen in the summer or when the front end is pointing up on a slope, so basically the fuel is running back into the tank.


Check valve.

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