Chart 6
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
- Unique Idle Concerns: Low/Slow Idle
- Stalls/Quits: Deceleration
Symptom Chart
| System/Component | Reference ( Pinpoint Tests - Gasoline Models Unless Noted) |
|---|---|
| Verify The Fuel Filler Cap Is Correctly Tightened Or The Capless Fuel Tank Filler Pipe Is Correctly Sealed. | Visual |
| Automatic Transmission (Stalls/Quits On Deceleration) | Refer To The Appropriate Automatic Transmission/Transaxle Article To Diagnose The Torque Convertor Operation Concerns. |
| Fuel Delivery System | Go To Pinpoint Test HC . |
| Intake Air System | Go To Pinpoint Test HU . |
| Charging System | Refer To The Appropriate Charging System Article And Carry Out The Inspection And Verification To Continue Diagnosis. |
| Heated Oxygen Sensor (HO2S) (E-Series 4.6L, E-Series 5.4L, Expedition, F-150, Flex, MKS, Navigator, Sable PZEV, Taurus PZEV, Taurus X PZEV) | Go To Pinpoint Test DZ . |
| Base Engine | Refer To The Appropriate Engine System Article And Carry Out The Inspection And Verification To Continue Diagnosis. |
| Additional Testing | Go To Pinpoint Test Z . |