Symptom Diagnosis

NOTE: Recommended procedures for listed symptoms are given in numbers from 1 to 28. See SYMPTOM PROCEDURE DEFINITION.

Symptom checks cannot be used properly unless problem occurs while vehicle is being tested. To reduce diagnostic time, ensure steps in BASIC TESTING and/or appropriate information in TESTS W/CODES articles were performed before diagnosing a symptom. Following symptoms are available for diagnosis:

Hard Start/Will Not Start
High Idle
Unstable Idling
Hesitation
Poor Driveability
Engine Stall
Backfire