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Old 10-07-2006, 04:48 AM   #1
scoooby03
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Member#: 110654
Join Date: Mar 2006
Chapter/Region: SCIC
Location: Cal
Default fuel pressure regulater

I got 67k on my 03 Wrx. When do you usually replace the fuel pressure regulater? How can you test it to see if it is working properly?
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Old 10-07-2006, 08:52 AM   #2
skimobile
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Join Date: Jul 2005
Chapter/Region: NESIC
Location: Westerly, RI
Vehicle:
03 WRX (Neon Blue)
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The FPRs are usually pretty durable. I believe the run at 35psi @ idle with vacuum line disconnected.
It one fails, it fails on the side of TOO MUCH pressure. It can spike up to 65-70 lbs and cause the car to run so rich that the ECU can't compensate. You'll usually get a CEL at that point however (system too rich).
If you find that you need one I have a brand new one just sitting in my house for an 03 WRX. I believe Subaru charges $104.00 for one.
PM me if you need one and I could sell you mine for less $$$.
Good Luck!
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