Harsh Forward Engagement
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2002 Mercury Grand Marquis, 2002 Lincoln Town Car, 2002 Ford Crown Victoria, 2001 Mercury Mountaineer, and 2001 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
Fluid level and condition, high forward clutch pressure, high line pressure, high Electronic Pressure Control (EPC) pressure, valve body (main regulator valve, 2-3 accumulator), incorrectly tightened valve body bolts, pump assembly or forward clutch assembly.