Recreating Fault
WARNING: This page is about a different car, the 2002 Ford Pickup and 2002 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Recreating fault is the first step in isolating cause of an intermittent symptom. Conditions to recreate fault are: engine temperature, ambient temperature, engine RPM, moisture conditions, engine load, engine idle, acceleration, deceleration and road conditions (smooth or bumpy).