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Old 01-15-2013, 08:39 PM
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bluebee bluebee is offline
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Location: San Jose, California
 
Join Date: Mar 2008
Posts: 21,806
Mein Auto: 02 BMW 525i M54 auto 130K
Another fuel pressure test thread today:
Quote:
Originally Posted by Topaz540i View Post
spaghettidecoder is down and i cant find the bentley on my comp....

what is the proper procedure to test the fuel pump?

i assume the pressure is taken at the fuel rail from the schrader valve but does the car need to be idling, driving, under load w.o.t.?

and what is the accepted value? about 50psi in all situations?
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