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Old 06-21-2005, 04:06 PM   #1
figgskzoo
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Location: Kalamazoo, MI
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2010 Forester
Silver

Default Fuel Pressure test and Regulator location

Where is the fpr on a '97 OBS 2.2 n/a?

Does anyone know of a source of info on testing my fuel pressure?

I promise I searched before I posted a new thread -- please don't flame

Thanks
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Old 06-21-2005, 05:59 PM   #2
abosworth
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2012 Speed3
Red Mica

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Quote:
Originally Posted by figgskzoo
Where is the fpr on a '97 OBS 2.2 n/a?

Does anyone know of a source of info on testing my fuel pressure?

I promise I searched before I posted a new thread -- please don't flame

Thanks

It should be on the near the left side of the intake manifold. It is at the end of the fuel rail and near spark plug #3. It is a metal peice with one rubber hose and one metal hose connected to it. That's where it is on my car anyway.
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Old 06-22-2005, 04:38 PM   #3
figgskzoo
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Silver

Default thanks!

Thanks! I'll take a look for it.

Any idea how to test fuel pressure in my little 2.2 n/a?
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Old 06-23-2005, 10:36 AM   #4
abosworth
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2012 Speed3
Red Mica

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Quote:
Originally Posted by figgskzoo
Thanks! I'll take a look for it.

Any idea how to test fuel pressure in my little 2.2 n/a?

All you need is a T fitting guage. Just disconect the fuel line from the fuel filter and connect it between the fuel filter and the fuel rail. I have a legacy 2.2 n/a and the pressure should be between 34 and 40 psi. I can't imagine that your engine would be any different although i could be wrong. To test if the FPR is bad you should disconnect the hose from the FPR and the pressure should rise to (38-44psi). If that is not the pressure you are seeing than your FPR is bad. You might want to relieve the fuel pressure before you connect the T fitting. Locate the fuel pump and disconnect the the electrical connector. then turn your car on and allow it to die. then the pressure will be relieved. You don't have to do this it just depends if you care about getting some gas on your hands .

good luck

Last edited by abosworth; 06-23-2005 at 01:15 PM.
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Old 06-24-2005, 03:30 PM   #5
figgskzoo
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Many thanks abosworth...I'm planning on doing this and wheel bearing this weekend.

I'm rolling thru VT in early August...I'll stay in touch, and if I'm nearby, I'll buy you a beer!
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Old 06-24-2005, 05:35 PM   #6
abosworth
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Red Mica

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NO problem, glad i could help Did you find the Fuel Pressure Regulator?
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Old 06-29-2005, 09:42 AM   #7
figgskzoo
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Default found the fpr

Now to perform the actual tests. I'll be dong those next week as I'll be out of town this weekend and I'm feeling desperately lazy in this 90+ degrees and humidity in the Great Lakes region.
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