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SVTPerformance's Chain of Restaurants
Tuning À la carte
Fuel pressure gauge won't read over 40 psi
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<blockquote data-quote="01yellercobra" data-source="post: 14197746" data-attributes="member: 35549"><p>Are you watching fuel pressure or pressure drop across the injectors? The ECU tries to keep 40psi on the intake valve side of the injector. So if you're boosted the fuel pressure has to rise to keep that 40psi. If your blower makes 10psi then the fuel pressure has to be raised to 50psi to keep the 40psi on the intake valve side. If you're watching pressure drop across injectors then it'll always show 40psi. Well, ideally it will.</p></blockquote><p></p>
[QUOTE="01yellercobra, post: 14197746, member: 35549"] Are you watching fuel pressure or pressure drop across the injectors? The ECU tries to keep 40psi on the intake valve side of the injector. So if you're boosted the fuel pressure has to rise to keep that 40psi. If your blower makes 10psi then the fuel pressure has to be raised to 50psi to keep the 40psi on the intake valve side. If you're watching pressure drop across injectors then it'll always show 40psi. Well, ideally it will. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
Fuel pressure gauge won't read over 40 psi
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