Step 2: No DTC(s) Present Symptom Chart Index
DRIVEABILITY
| System/Symptom | Chart Number | |
|---|---|---|
| Starting Concerns | Hard Start/Long Crank/Erratic Start/Erratic Crank | CHART NUMBER: 2 |
| Stall After Start | CHART NUMBER: 1 | |
| No Crank | CHART NUMBER: 23 | |
| No Start (engine cranks) | CHART NUMBER: 3 | |
| Unique Idle Concerns | Slow Return to Idle | CHART NUMBER: 4 |
| Rolling Idle | CHART NUMBER: 1 | |
| Fast Idle | CHART NUMBER: 5 | |
| Low/Slow Idle | CHART NUMBER: 6 | |
DRIVEABILITY - PERFORMANCE WHILE DRIVING CONCERNS
| System/Symptom | Chart Number | |
|---|---|---|
| Stalls/Quits | Idle, Acceleration, Cruise | CHART NUMBER: 1 |
| Deceleration | CHART NUMBER: 6 | |
| Runs Rough | CHART NUMBER: 1 | |
| Misses | CHART NUMBER: 1 | |
| Buck/Jerk | CHART NUMBER: 1 | |
| Hesitation/Stumble | CHART NUMBER: 1 | |
| Surge | CHART NUMBER: 1 | |
| Backfires | CHART NUMBER: 7 | |
| Lack/Loss of Power | CHART NUMBER: 8 | |
| Spark Knock | CHART NUMBER: 9 | |
ADDITIONAL DRIVEABILITY CONCERNS
| System/Symptom | Chart Number |
|---|---|
| Diesels/Runs On | CHART NUMBER: 5 |
| Poor Fuel Economy | CHART NUMBER: 10 |
| Emissions Compliance | CHART NUMBER: 11 |
| Malfunction Indicator Lamp (MIL) Concern | CHART NUMBER: 12 |
ELECTRICAL
| System/Symptom | Chart Number | |
|---|---|---|
| Warning Indicators | Malfunction Indicator Lamp (MIL) | CHART NUMBER: 12 |
| Transmission Control Indicator Lamp (TCIL) | CHART NUMBER: 12 | |
| Temperature Warning Indicator Lamp or Gauge (applications with CHT sensor only) | CHART NUMBER: 12 | |
| Check Fuel Cap Indicator Lamp | CHART NUMBER: 12 | |
| Climate Control | Lack of A/C cooling, A/C not functioning | CHART NUMBER: 21 |
| A/C always on and/or A/C compressor runs continuously | CHART NUMBER: 21 | |
| A/C does not cut off under WOT conditions (Mustang only) | CHART NUMBER: 21 | |
| Instrumentation | Tachometer Inoperative | CHART NUMBER: 14 |
| Speedometer/odometer Inoperative | CHART NUMBER: 14 | |
| Boost gauge indicates higher than normal boost (supercharger applications) | CHART NUMBER: 14 | |
| Fuel Gauge Inoperative | CHART NUMBER: 14 | |
ENGINE
| System/Symptom | Chart Number | |
|---|---|---|
| Oil System Concerns | High Oil Consumption | CHART NUMBER: 15 |
| Leaks | CHART NUMBER: 15 | |
| Cooling System Concerns | Electric cooling fan(s) does not operate (low, medium, high and/or variable speed) | CHART NUMBER: 16 |
| Electric cooling fan always runs | CHART NUMBER: 17 | |
| Exhaust System Concerns | Visible smoke | CHART NUMBER: 18 |
| Odor (sulfur or "rotten egg" smell) | CHART NUMBER: 22 | |
| Fuel System Concerns | Odor, engine compartment | CHART NUMBER: 19 |
| Engine Noise (under hood) | CHART NUMBER: 20 | |
DRIVELINE
| System/Symptom | Chart Number | |
|---|---|---|
| Automatic Transmission Shift Concerns | A/T upshift concern | CHART NUMBER: 13 |
| A/T downshift concern | CHART NUMBER: 13 | |
| Engagement concern | CHART NUMBER: 13 | |