Symptom Diagnosis: Notes

Symptom checks cannot be used properly unless the problem is actually happening while the vehicle is being tested. To reduce diagnostic time, ensure steps in BASIC TESTING and G - TESTS W/ CODES articles (if applicable) have been performed before attempting to diagnose a symptom. Refer to the following menu. For symptoms available for diagnosis see appropriate SYMPTOM-TO-DIAGNOSIS MENU under the appropriate Trouble Shooting (Carbureted), Trouble Shooting (PFI), or Trouble Shooting (TBI) Trouble Shooting heading below.