Engine Controls - 1.6L (L91) - Troubleshooting & Diagnosis

• Symptoms - Engine Controls
  • Symptoms Description
  • Diagnostic Fault Information
  • Symptoms Definition
  • Symptoms Verification
  • Symptoms Testing
  • Additional Symptoms Tests
    • Detonation/Spark Knock
    • Lack of Power, Hesitation, or Cut Out
    • Poor Fuel Economy
    • Rough, Unstable, or Incorrect Idle and Stalling
    • Surges/Chuggles
  • Poor Fuel Fill Quality
• Engine Cranks but Does Not Run
  • Diagnostic Fault Information
  • Circuit/System Description
  • Diagnostic Aids
  • Reference Information
    • Schematic Reference
    • Connector End View Reference
    • Electrical Information Reference
    • DTC Type Reference
    • Scan Tool Reference
    • Special Tools Required
  • Circuit/System Verification
  • Circuit/System Testing
  • Repair Procedures
• Fuel System Diagnosis
  • Diagnostic Fault Information
  • Circuit/System Description
    • Notes
    • Circuit/System Verification
  • Circuit/System Testing
  • Repair Procedures
• Fuel Pump Electrical Circuit Diagnosis
  • Diagnostic Fault Information
  • Circuit/System Description
  • Diagnostic Aids
  • Reference Information
    • Schematic Reference
    • Connector End View Reference
    • Electrical Information Reference
    • DTC Type Reference
    • Scan Tool Reference
    • Special Tools Required
  • Circuit/System Verification
  • Circuit/System Testing
  • Component Testing
  • Repair Procedures
• Fuel Injector Coil Test
  • Diagnostic Fault Information
  • Circuit/System Description
  • Diagnostic Aids
  • Reference Information
  • Component Testing
  • Repair Procedures
• Fuel Injector Balance Test with Special Tool
  • Diagnostic Fault Information
  • Circuit/System Description
  • Diagnostic Aids
  • Reference Information
    • Connector End View Reference
  • Component Testing
  • Repair Procedures
• Fuel Tank Leak Test
  • Notes
  • Diagnostic Fault Information
  • Test Description
  • Diagnostic Aids
  • Reference Information
  • System Verification
  • System Testing
• Alcohol/Contaminants-in-Fuel Diagnosis (w/o Special Tool)
  • Description
  • Alcohol in Fuel Testing Procedure
  • Particulate Contaminants in Fuel Testing Procedure
• Alcohol/Contaminants-in-Fuel Diagnosis (w/Special tool)
  • Description
  • Test Procedure
• Intake Manifold Tuning (IMT) Valve Diagnosis
  • Diagnostic Fault Information
  • Circuit/System Description
  • Reference Information
    • Special Tools Required
  • Circuit/System Verification
  • Circuit/System Testing
  • Repair Procedures
• Electronic Ignition (EI) System Diagnosis
  • Diagnostic Fault Information
  • Circuit/System Description
  • Reference Information
    • Schematic Reference
  • Circuit/System Testing
  • Repair Procedures