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  1. #1

    * 03 XPDI fuel pump regulator

    My brother has a 2003 XPDI , Last season it was losing power and it would just stall out in the middle of the lake, 2-3 times a day... after about 5 mins of sitting it would finally start back up and run normal. He took it to the shop, they said it is most likely a fuel pump issue ( which I figured becuase I had to replace mine last year on my RXDI ). The tech said that he thinks it could be the fuel regulator , but the DI pump and the regulator are sold as one unit. We did happen to find that you can purchase just the fuel regulator for around $200.00 vs a new pump which is $700. My question is, is this an easy fix? Can it be done or has anyone replaced just the fuel regulator on there DI model? And how hard was it ? Thanks in advance for your advice !

  2. #2
    Blackhawk36's Avatar
    Join Date
    Apr 2012
    Maryland, USA
    It can be done. If you check PWC**day there are many posts about rebuilding the fuel pump module. You can even replace the fuel pump itself with and Acura pump as long as you get 107psi.

  3. #3
    I'm pretty sure the regulator is on the fuel rail, not 100% sure.
    I usually try new fuel filters first (2 in tank and inline outside tank) before I change the whole pump

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