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boyt911sc boyt911sc is online now
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Join Date: Mar 2002
Location: Philadelphia, PA
Posts: 12,680
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You are indeed correct........

Quote:
Originally Posted by Bill wjw View Post
hi Tony,
according to the Bentley- system pressure Engine off, pump running 4.5 -5.2 bars. Is this information incorrect for my car?


I have been using the search and will go home tonight, drain the fuel tank and check out the condition of the return line.

Also take out the fuel pressure relief valve and inspect. Where can one get suitable shims. Do you know the size off hand?

Hopefully I can get this running here as I am anxious to take the top off and go for a drive. If it continues to befuddle me I will certainly take you up on your kind offer.

Bill,

My mistake. I was referring to the control fuel pressure and used the wrong conversion table. Your system fuel pressure should be between 65 - 75 psi (4.5 - 5.2 bar) and you have the correct values. The shims are not easy to find at your local hardware stores. Measure your shim/s thickness and fabricate a suitable shim if you could not locate one. Did you try to look at our host's parts catalog?

Your system pressure of 4.3 bar (62.4 psi.) is low and could be leaking (?). If the primary valve is not leaking set it between 70 - 72 psi. I prefer the higher value of 72 psi. And your WCP should be around 50 - 55 psi. I apologize for the confusion earlier.

Tony
Old 06-16-2014, 01:57 PM
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