Fuel Pump Quick Test
- With ignition off. Install Sub-Harness (SST 09991-87702-000) on 6-pin check connector located near top of transaxle (near battery on Rocky). See Fig 1 . Install a jumper wire between "F" terminal (White/Black wire) and ground terminal (Black wire).
- Turn ignition on. Listen for sound of fuel flowing at pressure regulator or for fuel pump operation. Turn ignition off. Remove jumper wire. If fuel pump operates, go to FUEL SYSTEM PRESSURE TEST .
- If fuel pump does not operate, check for voltage at wire going to fuel pump with ignition on. See WIRING DIAGRAMS article in the ENGINE PERFORMANCE Section. If no power exists, check for defective EFI fuses or fusible link, ignition switch, main relay, fuel pump relay or for open in wiring circuit.
- If power exists, check for proper ground for fuel pump or defective fuel pump. Check EFI circuitry. See Figure -Figure . For main relay and fuel pump relay testing, see SYSTEM/COMPONENT TESTS article in the ENGINE PERFORMANCE Section.
NOTE:
In-tank fuel pump contains internal relief and check valve.