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Home >> Mazda >> 1996 >> B3000 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 188 (Engine Controls - Basic Testing - 4.0L) >> Fuel System >> Fuel Pressure
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Fuel Pressure

WARNING: This page is about a different car, the 1995 Ford Ranger, 1995 Ford Explorer, and 1995 Ford Aerostar. However, it is still accessible from the selected car via links, so may be relevant.
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) .

Fig 1: Identifying Fuel Pump Self-Test Connector
G90I04610Courtesy of FORD MOTOR CO.