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what is the name of this and what it does?

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Old 01-13-2011, 01:46 PM
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Default what is the name of this and what it does?

what is the name of this unit and what is its purpose?
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Old 01-13-2011, 01:47 PM
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Default Re: what is the name of this and what it does?

Originally Posted by speedfreak44
what is the name of this unit and what is its purpose?
Fuel pressure regulator. It regulates fuel pressure.
Old 01-14-2011, 02:03 AM
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Default Re: what is the name of this and what it does?

i am assuming its give me a rough idle, it vibrates the entire dash. i changed the throttle body and all the sensors and also cleaned iacv and still the same problem occurs.

the line seen that is connected to the regulator and the intake manifold, when it is removed the car idles perfect.

what should i do? remove the line or?
Old 01-14-2011, 02:22 AM
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Default Re: what is the name of this and what it does?

replace it
Old 01-14-2011, 03:42 AM
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Default Re: what is the name of this and what it does?

what psi should an aftermarket regulator be set at?
Old 01-14-2011, 03:43 AM
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Default Re: what is the name of this and what it does?

about 40 psi
Old 01-14-2011, 04:14 AM
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Default Re: what is the name of this and what it does?

thanks guys
Old 01-14-2011, 01:02 PM
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Default Re: what is the name of this and what it does?

guys the lines connected to the top are air lines? so how the regulator actually works?
Old 01-14-2011, 01:21 PM
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Default Re: what is the name of this and what it does?

No air in those lines.
Old 01-14-2011, 01:25 PM
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Default Re: what is the name of this and what it does?

http://www.howstuffinmycarworks.com/...regulator.html
I recommend you touch nothing under your hood if you cannot identify any of the hardware found there. Get some sort of manual for your car. Make use of Google.
Old 01-14-2011, 01:27 PM
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Default Re: what is the name of this and what it does?

Originally Posted by grumblemarc
No air in those lines.
Yes there is! The internal diaphram is vacuum control based off of pressure from the intake manifold
Old 01-14-2011, 01:30 PM
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Default Re: what is the name of this and what it does?

I mean in the sense that there is a vacuum (absence of air). They are called vacuum lines for a reason.
Old 01-14-2011, 01:31 PM
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Default Re: what is the name of this and what it does?

its a basic air/vacuum diaphragm that sends unused fuel back to the tank. the rest of what grumblemarc sent you will help you. til you get to the reinstall since its on a truck, not a honda.

Last edited by Red_Army; 01-14-2011 at 01:32 PM. Reason: pwned by reading comp.
Old 01-14-2011, 01:55 PM
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Default Re: what is the name of this and what it does?

Originally Posted by Deetz
Yes there is! The internal diaphram is vacuum control based off of pressure from the intake manifold
this is same thing i was wondering.. to me it dont seem to be connected to the fuel rail , but then again i just researched it...

the bottom line is the return line to the tank? so then the fuel line that feeds the fuel rail isnt tampered with when installing a FPR ?
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