Recreating the Fault
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
Recreating the fault is the first step in isolating the cause of the intermittent symptom. A thorough investigation should start with the customer information worksheet located in the Introduction. If Freeze Frame Data is available, it may help in recreating the conditions at the time of a Malfunction Indicator Lamp Diagnostic Trouble Code (MIL DTC). Listed below are some of the conditions for recreating the fault:
| Engine Type Conditions | Non-Engine Type Conditions |
|---|---|
| Engine Temperature | Ambient Temperature |
| Engine rpm | Moisture Conditions |
| Engine Load | Road Conditions (smooth-bumpy) |
| Engine idle/accel/decel |