Fuel Level Sensor. - Page 2
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This is a discussion on Fuel Level Sensor. within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; You won't need a regulator, the WRX already has a fuel pressure regulator that will maintain fuel pressures where they ...

  1. #16
    Good news, everyone! xxxxxxxAnub1s's Avatar
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    Jan 2005
    Eh, whaaaaa?
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    You won't need a regulator, the WRX already has a fuel pressure regulator that will maintain fuel pressures where they need to be. Increases in fuel pressure due to the pump will be negligible at best. While it is true that it is a good idea to get a tune for the fuel pump, it isn't necessary. There are differing opinions on this matter, but the majority of people (and tuners) will tell you that replacement of the pump will not need anything above an installation kit.

    If you do choose to go this route though, be sure you're keeping up on fueling, because some people have experienced the pump burning up when the tank gets below 1/4 full.
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    Good news, everyone!

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  3. #17
    Registered User EvoEatr's Avatar
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    Aug 2008
    Kennett Square, Pennsylvania
    Quote Originally Posted by 2005sti View Post
    I heard if i get the 255 i have to get a regulator, but with the 190 i dont. And i heard that the regulator can be pricey.
    The fuel pump is only going to put out what it has to to meet the demands set forth by the ECM and since you are stock..no problems are seen here...FWIW I'm closing in on 600HP and have the stock FP regulator....

  4. #18
    Registered User 2005sti's Avatar
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    Jan 2010
    Trinity, NC
    Okay, so ive found that the CEL only comes on when I fill the car up. After i use about half of tank, maybe a little more, the CEL will go off.
    2005 Subaru Impreza WRX - FP 68HTA'd
    2007 Honda Civic Si (Stock) - Traded it for ^^^

    Blobeye Syndicate #728

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