Symptom Diagnosis
Symptom checks cannot be used properly unless the problem occurs while the vehicle is being tested. To reduce diagnostic time, ensure steps in appropriate TESTS W/CODES article were performed before diagnosing a symptom. See the TESTS W/CODES menu at the top of this article. Symptoms available for diagnosis include the following.
- Engine Will Not Start
- Difficult Cold Start
- Fast Idle Out Of Specification
- Rough Idle When Warm
- Idle RPM High When Warm
- Idle RPM Low When Warm
- Stalling During Warm-Up
- Stalling After Warm-Up
- Misfire Or Rough Operation
- Emission Test Failure
- Lack Of Power
NOTE:
Some components are identified as part of a specific fuel injection system. For example, CIS-E or LH-SFI.