Engine Controls Troubleshooting - No Codes - 3.1L

• Introduction
• Preliminary Inspection
• Symptoms
  • Notes
  • Symptom Diagnosis
  • Cuts Out, Misses
    • Symptom Definition
    • Fuel System
    • Sensor/System
    • Ignition System
    • Engine Mechanical
    • Additional Checks
  • Detonation/Spark Knock
    • Symptom Definition
    • Fuel System
    • Ignition System
    • Engine Cooling System
    • Engine Mechanical
    • Additional Checks
  • Engine Backfires
    • Symptom Definition
    • Sensor/System
    • Fuel System
    • Ignition System
    • Engine Mechanical
    • Additional Checks
  • Engine Dieseling/Run-On
    • Symptom Definition
    • Fuel System
    • Additional Checks
  • Hard Start
    • Symptom Definition
    • Sensor/System
    • Fuel System
    • Ignition System
    • Engine Mechanical
  • Hesitation, Sag Or Stumble
    • Symptom Definition
    • Sensor/System
    • Fuel System
    • Ignition System
  • Lack Of Power, Sluggish Or Spongy
    • Symptom Definition
    • Fuel System
    • Sensor/System
    • Ignition System
    • Engine Mechanical
    • Additional Checks
  • Poor Fuel Economy
    • Symptom Definition
    • Preliminary
    • Fuel System
    • Sensor/System
    • Ignition System
    • Engine Cooling System
    • Engine Mechanical
    • Additional Checks
  • Poor Fuel Fill Quality
    • Symptom Definition
    • Occasional Shut-Off Of The Fuel Dispensing Nozzle
    • Continual Shut-Off Of The Fuel Dispensing Nozzle
    • No Nozzle Shut-Off/Over Fill
  • Rough, Unstable Or Incorrect Idle & Stalling
    • Symptom Definition
    • Fuel System
    • Sensor/System
    • Ignition System
    • Engine Mechanical
    • Additional Checks
  • Vehicle Surges Or CHUGGLES
    • Symptom Definition
    • Sensor/System
    • Fuel System
    • Ignition System
    • Additional Checks
• INTERMITTENTS
  • Notes
  • Preliminary
    • Notes
    • Definition
    • Harness Or Connector Intermittents
    • Electrical Connections Or Wiring
    • Control Module Power & Grounds & Component Power & Grounds
    • Temperature Sensitivity
    • Electromagnetic Interference (EMI) & Electrical Noise
    • Incorrect PCM Programming
    • Duplicating Failure Conditions
    • Scan Tool Snapshot
    • Vehicle Data Recorder