Reference Value Symptom Chart
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
The Reference Value Symptom Chart is used to provide guidance in selecting the appropriate 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 most evident.
SYMPTOM CHART
| Symptom occurs during | Symptom | Category Number |
|---|---|---|
| STARTUP: | No Start/Vehicle Disabled | 0 |
| No Start/Normal Crank | 1 | |
| IDLE: | MIL | 5 |
| Stalls/Quits | 6 | |
| Rolling | 9 | |
| Rough | 11 | |
| Misses | 12 | |
| Backfires | 13 | |
| ACCELERATION: | Stalls/Quits | 6 |
| Misses | 12 | |
| Bucks/Jerks | 14 | |
| Backfires | 13 | |
| Hesitation/Stumble | 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 21 |
|
| Emissions Compliance | ||
| TRANSAXLE OPERATION: (AUTOMATIC) | Engagement Concerns | 22 |