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Old 07-19-2008, 06:19 AM
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Fuel pressure regulator






Does anyone know what sort of fuel pressure regulator is this?
It's written Denso 5020 5g23 and it should be 3.5 bar.
I'd like to mount a 4.0 bar fuel pressure.
If there isn't a replacement I have to study how to bypass it... and use an external fuel pressure regulator!
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Old 07-20-2008, 11:16 AM
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It's more difficult than I thought...
After studying carefully the fuel pump and injectors rail, I realized that Honda has a Returnless Fuel Injection Systems!!
I'm really not familiar with it...
Maybe changing injectors It's easier!
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Old 07-28-2008, 08:18 AM
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I did it!!!

The theory...
AutoSpeed - Modifying Returnless Fuel Systems, Part 1
AutoSpeed - Modifying Returnless Fuel Systems, Part Two

About 3 hours of work..
Last edited by alf74; 07-28-2008 at 08:22 AM.
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32, 35, eco, external, fit, fuel, honda, hondafit, motor, pressure, regulator, returnless, system, systems, theory

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