Recommended Procedure
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Ford RV Cutaway, 2002 Ford Pickup, 2002 Ford F550 Super Duty, 2002 Ford F450 Super Duty, and 2002 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Engine must be at normal operating temperature.
Connect scan tool to Data Link Connector (DLC). Turn A/C off. Using scan tool, access and monitor ICP PID from PID/DATA MONITOR & RECORD menu. See ADDITIONAL SYSTEM FUNCTIONS in SELF-DIAGNOSTICS - EEC-V - DIESEL article. Start engine and raise engine speed to 3400 RPM for 3 minutes. ICP PID reading should be a maximum of 1800 psi (12,411 kPa). If ICP PID reading is more than 1800 psi (12,411 kPa), anti-foam oil additives may have become depleted from oil. Change oil and retest.