LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2000 >> Excursion 7.3 F, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures - Diesel >> Fuel System >> Fuel Pressure >> Fuel Pressure Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pressure Test

  1. On Econoline, remove doghouse cover and remove 1/8" inch pipe plug from top of left head. On Excursion and Pickup, remove 1/8" inch pipe plug from top front of right head. On all models, install Gauge Bar (014-0061). Run engine at idle and check for leaks from line and gauge. Measure pressure with full load on engine. If pressure is not as specified, replace fuel filter. For fuel pressure specifications, see appropriate FUEL PRESSURE SPECIFICATIONS article. Recheck fuel pressure, if fuel pressure is still less than specification, replace left head check valve on Econoline or right head check valve on Excursion and Pickup. Check valve is located between fuel inlet line and cylinder head.
  2. On Econoline, remove alternator and bracket if necessary. Remove 1/8" inch pipe plug from top front of right head. On Excursion and Pickup, remove 1/8" inch pipe plug from top rear of left head. On all models, install Gauge Bar (014-0061). Run engine at idle and check for leaks from line and gauge. Measure fuel pressure with full load on engine. If fuel pressure is not as specified, replace right head check valve on Econoline or left head check valve on Excursion and Pickup. Check valve is located between fuel inlet line and cylinder head. For fuel pressure specifications, see appropriate FUEL PRESSURE SPECIFICATIONS article.