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fuel pressure drop in boost

  1. 1G Fuel pressure not rising on boost

    Having an issue where fuel pressure is not rising with boost have an upgraded fuel pump 340lph and 1250cc injectors on e85 have a fuel lab pressure regulator and fuel lab fuel filter installed also any tips on what to look at to fix this issue any help will be appreciated.
  2. Boostedjesus

    2G [resolved] Fuel pressure drop in boost

    So I've been battling a fuel pressure drop for a while, I finally started going thru items to test and check and I finally got it resolved!i started by logging fuel pressure with link thru the factory MDP plug. Just a eBay 0-100psi sensor.Replaced/tested: -changed my walbro 450 to a walbro...
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