April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Delivery (Pressure): Notes

Basic diagnosis of fuel system should begin with determining fuel system pressure.

CAUTION: DO NOT allow fuel to flow onto engine or electrical parts or allow an open flame in area while testing fuel system components.

Fig 1: Cross-Sectional View of I-Mark Fuel Pump

Courtesy of ISUZU MOTOR CO.