No Trouble Code Quick Individual Test
If any item listed in NO TROUBLE CODE TEST MENU table is suspected as cause of the driveability problem, perform associated test(s) individually. Return to NO TROUBLE CODE TEST MENU table if driveability problem still exists. No Trouble Code Quick Symptom Test Symptom checks cannot be used properly unless driveability problem occurs while vehicle is being driven. To reduce diagnostic time, ensure DTC TEST is reviewed before attempting to diagnosis a symptom. Select symptom which most accurately describes the driveability problem, and then perform test pertaining to the symptom. Perform each test in sequence until driveability problem is found. See NO TROUBLE CODE QUICK SYMPTOM TEST MENU table.
NO TROUBLE CODE QUICK SYMPTOM TEST MENU
| Application | Test | ||
|---|---|---|---|
| Hard Start | NTC-2A, 3A or 3D, 4A, 5A, 6A, 7A, 9A, 12A, 13A,14A, 15A, 16A & 17A | ||
| Start & Stalls | NTC-2A, 3A or 3D, 4A, 5A, 6A, 9A, 11A & 16A | ||
| Hesitation/Sag/Stumble | (1) | ||
| Surge | NTC-2A, 3A or 3D, 4A, 5A, 6A, 7A, 9A, 11A, 12A & 16A | ||
| Lack Of Power/Sluggish | NTC-2A, 3A or 3D, 4A, 5A, 6A, 7A, 9A, 11A, 13A & 16A | ||
| Spark Knock/Detonation | NTC-2A, 3A or 3D, 4A, 5A, 6A, 7A, 9A, 11A, 12A & 17A | ||
| Cuts Out/Misses | NTC-2A, 3A or 3D, 7A, 11A, 13A & 16A | ||
| Backfire | NTC-2A, 3A or 3D, 6A, 7A, 11A, 13A & 16A | ||
| Runs Rough/Unstable Idle/Erratic Idle | (1) | ||
| Poor Fuel Economy | (1) | ||
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