Reference Value Symptom Chart
WARNING: This page does not describe the selected car, but rather 29 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Lincoln Navigator L, 2011 Lincoln Navigator, and 2011 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.
The Reference Value Symptom Chart provides guidance in selecting the appropriate parameter identification (PID) or measured signal related to the fault area. Select a symptom from the symptom chart along with the category number and go to the PID/MEASURED SIGNAL CHART . For multiple symptoms, select the symptom that is the most evident.
Symptom Chart
SYMPTOM CHART
| Symptom Occurs During | Symptom | Category Number |
|---|---|---|
| Startup: | No start/Normal crank | 1 |
| Hard start/Long crank | 2 | |
| Stall after start | 3 | |
| Diesels/Runs on | 4 | |
| Idle: | MIL | 5 |
| Stalls/Quits | 6 | |
| Slow | 7 | |
| Slow return | 8 | |
| Rolling | 9 | |
| Fast | 10 | |
| Rough | 11 | |
| Misses | 12 | |
| Backfires | 13 | |
| Acceleration: | Stalls/Quits | 6 |
| Misses | 12 | |
| Bucks/Jerks | 14 | |
| Backfires | 13 | |
| Hesitation | 15 | |
| Lack/Loss of power | 16 | |
| Surge | 17 | |
| Spark knock | 18 | |
| Cooling system temperature | 19 | |
| Poor fuel economy | 20 | |
| Emissions compliance | 21 | |
| Cruise: | Stalls/Quits | 6 |
| Misses | 12 | |
| Bucks/Jerks | 14 | |
| Backfires | 13 | |
| Lack/Loss of power | 16 | |
| Surge | 17 | |
| Spark knock | 18 | |
| Cooling system temperature | 19 | |
| Poor fuel economy | 20 | |
| Emissions compliance | 21 | |
| Deceleration: | Stalls/Quits | 6 |
| Backfires | 13 | |
| Transmission Operation: (Automatic) | Shift/engagement concerns | 22 |
| No overdrive | 23 | |