Thread: fuel pressure for an 04 STF12f
09-12-2011, 08:37 PM #1
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- Jul 2007
fuel pressure for an 04 STF12f
Okay, in a previous post I asked about cleaning the fuel system on a 12f. At that point I was told that the first thing to do was to check the fuel pressure coming off the rail. Well, took me a few weeks to have the time... although just did...
I am showing 75 psi coming off of the rail (from the return port in the front)... so, you guys tell me... is that about right??
09-12-2011, 09:38 PM #2
Fuel Pressure (High Pressure Line):
Engine Idling approx. 294 kPa (3.0 kgf/cm², 43 psi) is what I have in my book
09-12-2011, 10:45 PM #3
the accepted range stock is 43 when the button is pressed 38 to 41 while running if my memory serves me correct.
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