October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Fuel Pressure Regulator Hold Pressure
- Disconnect negative battery cable. Install fuel pressure gauge in fuel supply line. Reconnect negative battery cable.
- Locate data link connector in left side of engine compartment. Connect a jumper wire between data link connector terminals F/P and GND. See Figure. Turn ignition on for 10 seconds to operate fuel pump. Turn ignition off and disconnect jumper wire. Carefully pinch fuel return hose closed. Wait 5 minutes and observe fuel pressure.
- Fuel pressure should be more than 21 psi (1.5 kg/cm2
). If fuel pressure is not as specified, replace fuel pressure regulator.