No Diagnostic Trouble Codes (DTCs) Present Symptom Chart Index
Driveability
Symptom Chart
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Starting Concerns | Hard Start/Long Crank/Erratic Start/Erratic Crank | 602300 | Chart Number: 2 |
| No Crank | 601300 | Chart Number: 23 | |
| No Start (Engine Cranks) | 603300 | Chart Number: 3 | |
| Unique Idle Concerns | Slow Return To Idle | 617400 | Chart Number: 4 |
| Rolling Idle | 618400 | Chart Number: 1 | |
| Fast Idle | 619400 | Chart Number: 5 | |
| Low/Slow Idle | 607400 | Chart Number: 6 | |
Driveability - Performance While Driving Concerns
Symptom Chart
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Stalls/Quits | Idle/Acceleration/Cruise | 607X00 | Chart Number: 1 |
| Deceleration | 607700 | Chart Number: 6 | |
| Stall After Start | 607000 | Chart Number: 1 | |
| Runs Rough | 608X00 | Chart Number: 1 | |
| Misses | 609X00 | Chart Number: 1 | |
| Buck/Jerk | 610X00 | Chart Number: 1 | |
| Hesitation/Stumble | 611X00 | Chart Number: 1 | |
| Surge | 612X00 | Chart Number: 1 | |
| Backfires | 613X00 | Chart Number: 7 | |
| Lack/Loss Of Power | 614X00 | Chart Number: 8 | |
| Spark Knock | 615X00 | Chart Number: 9 | |
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NOTE:
Oasis Identifiers (The X Means Any Number (1-9) Can Be Used) Xxx4Xx Equals During Idle, Xxx5Xx Equals During Acceleration, Xxx6Xx Equals During Cruise, Xxx7Xx Equals During Deceleration.
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Additional Driveability Concerns
Symptom Chart
| System/Symptom | Oasis Number | Chart Number |
|---|---|---|
| Diesels/Runs On | 621000 | Chart Number: 5 |
| Poor Fuel Economy | 622000 | Chart Number: 10 |
| Emissions Compliance | 623000 | Chart Number: 11 |
Electrical
Symptom Chart
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Warning Indicators | Malfunction Indicator Lamp (MIL) | 698298 | Chart Number: 12 |
| Transmission Control Indicator Lamp (TCIL) | 698298 | Chart Number: 12 | |
| Power Take Off (PTO) | 507000 | Chart Number: 12 | |
| Temperature Warning Indicator Or Gauge (For Vehicles Equipped With A Cylinder Head Temperature (CHT) Sensor Only) | 206000 | Chart Number: 12 | |
| Check Fuel Cap Indicator | 206000 | Chart Number: 12 | |
| Powertrain Malfunction Indicator (Wrench) | 698298 | Chart Number: 12 | |
| Climate Control | Lack Of A/C Cooling, A/C Not Functioning | 208200 | Chart Number: 21 |
| A/C Always On Or A/C Compressor Runs Continuously | 208999 | Chart Number: 21 | |
| Instrumentation | Tachometer Inoperative | 204000 | Chart Number: 14 |
| Speedometer/Odometer Inoperative | 204000 | Chart Number: 14 | |
| Boost Gauge Indicates Higher Than Normal Boost | 204000 | Chart Number: 14 | |
| Fuel Gauge Inoperative | 204000 | Chart Number: 14 | |
Engine
Symptom Chart
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Oil System Concerns | High Oil Consumption | 401000 | Chart Number: 15 |
| Leaks | 401000 | Chart Number: 15 | |
| Cooling System Concerns | Electric Cooling Fan(s) Does Not Operate (Low, Medium, High Or Variable Speed) | 402000 | Chart Number: 16 |
| Cooling Fan Clutch Does Not Operate | 402000 | Chart Number: 16 | |
| Electric Cooling Fan(s) Always Runs | 402000 | Chart Number: 17 | |
| Exhaust System Concerns | Visible Smoke | 403000 | Chart Number: 18 |
| Odor (Sulfur Or Rotten Egg Smell) | 403000 | Chart Number: 22 | |
| Fuel System Concerns | Odor, Engine Compartment | 404000 | Chart Number: 19 |
| Engine Noise (Under Hood) | 497000 | Chart Number: 20 | |
Driveline
Symptom Chart
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Automatic Transmission (A/T) Shift Concerns | Upshift | 501000 | Chart Number: 13 |
| Downshift | 502000 | Chart Number: 13 | |
| Engagement | 503000 | Chart Number: 13 | |
Power Take Off (PTO)
Symptom Chart
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| PTO Concerns | Not Working Correctly | 507000 | Chart Number: 12 |