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Does a Walbro 255hp pump have a check valve? #174599
July 16, 2004 02:01 pm UTC
July 16, 2004 02:01 pm UTC
Joined: Apr 2002
Posts: 631
Scarborough, ON
Chris Krawczyk Offline OP
Member
Chris Krawczyk  Offline OP
Member
Joined: Apr 2002
Posts: 631
Scarborough, ON
As the topic states. I did some searching but got no clear indication. After I turn of the car the pressure falls from around 35psi to 0psi in about 2 minutes. The pump is brand new 255HP, if it has a check valve could it be stuck open already?

I don't have any start up problems. I checked my AFPR, and it's not bleeding. I don't think that the injectors are leaking either, that would put a lot of fuel into a cylinder, and I would have hard time starting the car after 2 minutes. I also don't smell any gas outside so my fuel lines should be fine. Any suggestions how to troubleshoot this problem? I'm considering slapping my old pump on, but would like to check other things before I commit to that.


1990 Eagle Talon, TSI AWD - SOLD
2002 Mazda Pro 5
Re: Does a Walbro 255hp pump have a check valve? #174600
July 16, 2004 02:59 pm UTC
July 16, 2004 02:59 pm UTC
Joined: Nov 2003
Posts: 237
Calgary
C
Chris Buscholl Offline
Member
Chris Buscholl  Offline
Member
C
Joined: Nov 2003
Posts: 237
Calgary
my walbro does the same thing. But It never caused any problems, so I never worried about it. If you arent having any problems, I just wouldnt worry about it.


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