Chart 6
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, 2010 Lincoln Town Car, and 2010 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
- Unique Idle Concerns: Low/Slow Idle
- Stalls/Quits: Deceleration
UNIQUE IDLE CONCERNS: LOW/SLOW IDLE SYMPTOM CHART
| SYSTEM/COMPONENT | REFERENCE (article 5 Pinpoint Test 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. |
| Universal Heated Oxygen Sensor (HO2S) (Escape 3.0L, E-Series 4.6L, E-Series 5.4L, Expedition, Fusion 3.0L, F-150, Flex, Mariner 3.0L, Milan 3.0L, MKS, MKT, Navigator, and Taurus) | 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 . |