Symptom Diagnosis
When a Diagnostic Trouble Code (DTC) cannot be confirmed or problem cannot be confirmed in BASIC DIAGNOSTIC PROCEDURES, find basic symptom. For example, vehicle engine will not start. Appropriate heading matching vehicle symptom is DOES NOT START. Listed under DOES NOT START are more specific conditions. Find specific condition which best describes vehicle malfunction. Perform checks in order given. DO NOT skip steps.
NOTE:
Even if a DTC is not set, this article may refer you to a test procedure for a specific DTC in SELF-DIAGNOSTICS article.
This article includes trouble shooting for the following symptoms:
- Does Not Start
- Difficult To Start
- Poor Idling
- Poor Driveability
- Engine Stall