2000 Ford Excursion 7.3 F, 4WDFACTORY OEM SERVICE PROCEDURE

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.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.