Engine Control System Tests W/O Codes
- Introduction
- Symptoms
- Notes
- Preliminary Checks
- Symptom Diagnosis
- Hard Start
- Hesitation, Sag Or Stumble
- Vehicle Surges Or CHUGGLES
- Lack Of Power, Sluggish Or Spongy
- Engine Backfires
- Cuts Out, Misses
- Rough, Unstable Or Incorrect Idle, Stalling
- Poor Fuel Economy
- Engine Dieseling/Run-On
- Detonation/Spark Knock
- Excessive Exhaust Emissions Or Odors
- INTERMITTENTS