LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1994 >> Probe Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - System/Component Tests - EEC (2.5L)) >> Fuel System >> Fuel System Testing >> Fuel Pressure Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pressure Check

WARNING: This page is about a different variant/trim than selected.

Release fuel pressure. See FUEL PRESSURE RELEASE. Install Fuel Pressure Gauge (014-00748) between fuel filter and fuel rails. Ensure pressure gauge drain valve is closed and main valve is open. Using jumper wire, connect Data Link Connector (DLC) fuel pump terminal to ground terminal. See Fig 1 . For fuel pressure specifications, see FUEL PRESSURE SPECIFICATIONS article. Turn ignition on, but do not start engine. Observe gauge reading, and proceed as follows:

Fig 1: Ground & Fuel Pump Test Terminal ID
G93C40172Courtesy of FORD MOTOR CO.