Chart 4
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.
Unique Idle Concerns:
- Slow Return To Idle
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TEST - CNG, FLEX-FUEL & GASOLINE ) unless noted |
|---|---|
| Vacuum Leaks, Throttle Body | Visual |
| PCV System | GO to G: Positive Crankcase Ventilation (PCV) System STEP HG1. |
| Intake Air System (air leaks) | GO to U: Intake Air Systems STEP HU1. |