929 V6-3.0L SOHC (1989)
5.
Install the fuel pressure gauge on the outlet side of the fuel filter.
6.
Short circuit the fuel pump test terminals (yellow 2 pin connector with a jumper wire on the following vehicles.
1988 - 89 323
1993 - 626/MX-6
1990 - 91 929
1989 - 92 MPV
1989 - 91 RX-7
7.
Short circuit the fuel pump check terminal and the ground terminal of the diagnostic connector with a jumper wire on the following vehicles.
1990 - 93 323/Protege
1993 - 626/MX-6
1992-93 929
1992 - 93 MX-3
1990 - 93 MX-5
1993 RX-7
8.
Turn the ignition switch on and measure the maximum fuel pressure. Turn the ignition switch off and remove the jumper wires.