Engine Controls - 1.6L (L91) - Description And Operation

• Description and Operation
  • Engine Control Module Description
    • Notes
    • EEPROM
    • ECM Service Precautions
    • ECM Function
    • Comprehensive Component
    • Input Components
    • Output Components
    • Passive and Active Diagnostic Tests
    • Intrusive Diagnostic Tests
    • Warm-Up Cycle
    • Freeze Frame
    • Failure Records
  • Fuel System Description
    • Fuel System Overview
    • Fuel Filler Cap (Typical)
    • Fuel Level Sensor
    • Fuel Pump
    • Fuel Sender Strainer
    • Fuel Filter
    • Fuel Pressure Regulator
    • On-Board Refueling Vapor Recovery (ORVR) System (If Equipped)
    • Fuel Injectors
    • Modes of Operation
  • Evaporative Emission Control System Description
    • Notes
    • Evaporative Emission Canister
  • Electronic Ignition System Description
    • Notes
    • Crankshaft Position (CKP) Sensor
    • Crankshaft Reluctor Wheel
    • Camshaft Position (CMP) Sensor
    • Camshaft Reluctor Wheel
    • Ignition Coils (IC)
    • Engine Control Module (ECM)
    • Modes of Operation
    • Noteworthy Ignition Information
  • Knock Sensor System Description
    • Purpose
    • Sensor Description
  • Exhaust Gas Recirculation (EGR) System Description
    • Notes
    • EGR Valve Circuits
    • EGR Diagnostics
  • Crankcase Ventilation System Description
    • Notes
    • Operation
    • Results Of Incorrect Operation
  • Acceleration Sensor Description
  • Air Intake System Description
    • Air Induction System
    • Intake Manifold Tuning (IMT) Valve System