EPC Solenoid
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2002 Lincoln Navigator, 2002 Ford Expedition, 2001 Lincoln Navigator, 2001 Ford RV Cutaway, and 2001 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Record line pressure. Line pressure should go to maximum pressure. If line pressure is not within specification, perform TEST E: ELECTRONIC PRESSURE CONTROL SOLENOID under DIAGNOSTIC TESTS or see LINE PRESSURE TEST RESULTS under PERFORMANCE TESTS. Depress EPC switch. Line pressure should drop to minimum pressure. If line pressure is not within specification, perform TEST E: ELECTRONIC PRESSURE CONTROL SOLENOID under DIAGNOSTIC TESTS or see LINE PRESSURE TEST RESULTS under PERFORMANCE TESTS.