hello, my mechanic friend hooked a pressure gauge onto the incoming fuel
> line,which he disconnected from the fuel rail, and then turned the key to
> on, to see if there was pressure present. my Haynes book says to put an
> adapter between the inlet hose and the fuel rail with a gauge attached to it
> and then start the car to check the pressure. which way is correct or are
> both methods ok?
From this method you wont find the correct ful pressure. This can be find out that the FUEL PUMP is working thats all.To check the acctual fuel pressure you have to do the BACK LEAK test only.