Fuel Pressure
WARNING:
Inspect fuel system for leaks or damage before testing fuel pump.
NOTE:
For fuel pressure specifications, see FUEL PRESSURE SPECIFICATIONS
article.
Release fuel pressure. Install fuel pressure gauge. Fuel pump may be activated by grounding fuel pump lead at Self-Test connector. Using a jumper lead, ground FP terminal with ignition on. This activates fuel pump. See Fig 1 . For fuel pressure specifications, see FUEL PRESSURE SPECIFICATIONS article. For additional testing information for Aerostar and Explorer, see FUEL SYSTEM in SYSTEM/COMPONENT TESTS - EEC-IV (4.0L) article in the ENGINE PERFORMANCE section. For additional testing information for Ranger, see TESTS W/CODES - EEC-V (4.0L) .