Engine Controls - Description & Operation (Except Diesel & Hybrid)

• Vehicle Emission Control Information (VECI)
  • VECI Decal
  • VECI Decal Location
  • Engine/Evaporative Emission (EVAP) System Information
    • Notes
    • Typical VECI Decal
• Vehicle Certification Label
  • Base Engine Calibration Information
    • Notes
    • Engine Calibration Information (Car)
    • Engine Calibration Information (Truck)
    • Vehicle Certification Label Location
    • Engine Calibration Code
• Vehicle Emission Control Information (VECI) Acronym Definitions
• Engine Control Components
  • Notes
  • Accelerator Pedal Position (APP) Sensor
    • Notes
    • Fiesta
    • All Others
  • Ambient Air Temperature (AAT) Sensor
  • Barometric Pressure (BARO) Sensor
  • Brake Pedal Position (BPP) Switch
  • Brake Pressure Switch
  • Camshaft Position (CMP) Sensor
  • Charge Air Cooler Temperature (CACT) Sensor
  • Charge Air Cooler (CAC) Cooling Fan
  • Charge Air Cooler (CAC) Coolant Temperature Sensor
  • Clutch Pedal Position (CPP) Sensor
  • Clutch Pedal Position (CPP) Switch
  • Coil On Plug (COP)
  • Coil Pack
  • Cooling Fan
  • Cooling Fan Clutch
  • Crankcase Pressure Sensor
  • Crankshaft Position (CKP) Sensor
  • Cylinder Head Temperature (CHT) Sensor
  • Electric Exhaust Gas Recirculation (EEGR) Valve
  • Electronic Throttle Body Throttle Actuator Control (TAC)
  • Electronic Throttle Body Throttle Position Sensor (ETBTPS)
  • Engine Coolant Temperature (ECT) Sensor
  • Evaporative Emission (EVAP) Canister Vent Valve
  • Evaporative Emission (EVAP) Check Valve
    • EVAP Check Valve
    • Typical EVAP Check Valve
    • EVAP Dual Check Valve
    • Typical EVAP Dual Check Valves
    • Typical EVAP Dual Check Valve Assembly
  • Evaporative Emission (EVAP) Ejector
    • Notes
    • Typical EVAP Ejector
  • Evaporative Emission (EVAP) Purge Valve
    • Notes
    • Typical EVAP Purge Valve
  • Evaporative Emission (EVAP) Vapor Blocking Valve
  • Fan Speed Sensor (FSS)
  • Fuel Injection Pump
    • Notes
    • Fuel Injection Pump
  • Fuel Injectors
    • Notes
    • Typical Fuel Injector
  • Fuel Injectors - Direct Injection
    • Notes
    • Typical Direct Fuel Injection Fuel Injector
  • Fuel Pressure Sensor
  • Fuel Pump (FP) Assembly
  • Fuel Pump (FP) Assembly And Reservoir
  • Fuel Rail Pressure (FRP) Sensor
  • Fuel Tank Pressure (FTP) Sensor
  • Heated Oxygen Sensor (HO2S)
  • Inertia Fuel Shutoff (IFS) Switch
  • Intake Air Temperature (IAT) Sensor
  • Intake Manifold Runner Control (IMRC)
  • Intake Manifold Tuning Valve (IMTV)
  • Knock Sensor (KS)
  • Manifold Absolute Pressure (MAP) Sensor
  • Manifold Absolute Pressure Temperature (MAPT) Sensor
  • Mass Airflow (MAF) Sensor
  • Output Shaft Speed (OSS) Sensor
  • Power Take Off (PTO) Switch And Circuits
    • Notes
    • PTO Circuits Description
  • Turbocharger
  • Turbocharger Boost Pressure (TCBP) Sensor
  • Turbocharger Bypass Valve
  • Turbocharger Bypass Valve Solenoid
  • Turbocharger Intake Pressure And Temperature (TCIPT) Sensor
  • Turbocharger Wastegate Regulating Valve Solenoid
  • Universal Heated Oxygen Sensor (HO2S)
  • Vehicle Speed Sensor (VSS)
  • Wastegate Vacuum Sensor
• Engine Control (EC) System
  • Overview
  • Modifications To OBD Vehicles
• Powertrain Control Hardware
  • Powertrain Control Module (PCM)
  • Fuel Pump Control Module
  • Keep Alive Memory (KAM)
  • Power and Ground Signals
    • Accelerator Pedal Position Reference Voltage (APPVREF)
    • Accelerator Pedal Position Return (APPRTN)
    • Electronic Throttle Control Reference Voltage (ETCREF)
    • Electronic Throttle Control Return (ETCRTN)
    • Gold Plated Pins
    • Keep Alive Power (KAPWR)
    • Mass Airflow Return (MAFRTN)
    • Power Ground (PWRGND)
    • Signal Return (SIGRTN)
    • Starter Motor Request (SMR) Circuit
    • Variable Reluctance Sensor Return (VRSRTN)
    • Vehicle Buffered Power (VBPWR)
    • Vehicle Power (VPWR)
    • Vehicle Reference Voltage (VREF)
• Powertrain Control Software
  • Adaptive Airflow
  • Auto Start Stop
  • Automatic Engine Idle Shutdown
  • Brake Over Accelerator
  • Check Fuel Cap
  • Computer Controlled Shutdown
  • Deceleration Fuel Shut Off (DFSO)
  • Engine Fluid Temperature Management
  • Engine RPM Limiter
  • Fail Safe Cooling Strategy
  • Failure Mode Effects Management (FMEM)
  • Flash Electrically Erasable Programmable Read Only Memory (EEPROM)
  • Flex Fuel
  • Fuel Level Input (FLI)
  • Fuel Trim
    • Short Term Fuel Trim
    • Long Term Fuel Trim
  • High Speed Controller Area Network (CAN)
  • Idle Air Trim
  • International Standards Organization (ISO) 14229 Diagnostic Trouble Code (DTC) Descriptions
    • Notes
    • DTC Structure
    • Failure Type Byte
    • Status Byte
    • DTC Status Bit Definitions
  • Multiplexing
  • Multiplexing Implementation
  • Permanent Diagnostic Trouble Code (DTC)
  • Vehicle Speed Limiter
  • Powertrain Control Module - Vehicle Speed Output (PCM-VSO)
• Malfunction Indicator Lamp (MIL)
• Catalyst And Exhaust Systems
  • Overview
    • Notes
    • Typical V Engine
    • Typical Inline Engine
  • Catalytic Converter
  • Light Off Catalyst
  • Three Way Catalytic (TWC) Converter Conversion Efficiency
  • Exhaust System
    • Notes
    • Typical Bank 1 Catalyst HO2S Configuration
  • Underbody Catalyst
  • Three Way Catalytic (TWC) Converter
  • Exhaust Manifold Runners
  • Exhaust Pipes
  • Heated Oxygen Sensor (HO2S)
  • Muffler
• Evaporative Emission (EVAP) Systems
  • Overview
  • Enhanced Evaporative Emission (EVAP) System
• Exhaust Gas Recirculation (EGR) Systems
  • Overview
  • Electric Exhaust Gas Recirculation (EEGR) System
• Fuel Systems
  • Overview
  • Mechanical Returnless Fuel System (MRFS)
  • Fuel Pump Control
  • Fuel Pump Monitor (FPM)
    • Notes
    • Fuel Filters
    • Fuel Pressure Sensor
• High Pressure Fuel System
  • Overview
• Ignition Systems
  • Overview
  • Integrated Electronic Ignition System
  • Engine Crank/Engine Running
  • Camshaft Position Failure Mode Effects Management (FMEM)
• Intake Air Systems
  • Overview
  • Throttle Body System Overview
  • Features Of The Throttle Body Assembly Include
  • Intake Manifold Runner Control (IMRC) And Intake Manifold Tuning Valve (IMTV)
  • Intake Manifold Runner Control (IMRC) System
  • Intake Manifold Tuning Valve (IMTV) System
• Positive Crankcase Ventilation (PCV) System
  • Overview
• (Torque Based) Electronic Throttle Control (ETC)
  • Overview
  • Electronic Throttle Body Throttle Actuator Control (TAC)
  • Electronic Throttle Body Throttle Postion Sensor
  • Accelerator Pedal Position (APP) Sensor
  • Electronic Throttle Control (ETC) System Strategy
• Turbocharger And Charge Air Cooler (CAC) Systems
  • Turbocharger System
    • Notes
    • Charge Air Cooler (CAC) System - Air To Air Cooled
    • Charge Air Cooler (CAC) System - Air To Liquid Cooled
• Variable Camshaft Timing (VCT) System
  • Overview
  • VCT System
• On Board Diagnostics (OBD) Monitors
  • OBD I, OBD II And Engine Manufacturer Diagnostics (EMD) Overview
    • Notes
    • OBD I Systems
    • OBD II Systems
    • Heavy Duty (HD) OBD II Systems
    • EMD Systems
• Air Fuel Ratio Imbalance Monitor
• Catalyst Efficiency Monitor
  • Notes
  • General Catalyst Monitor Operation
  • Integrated Air Fuel Catalyst Monitor
• Cold Start Emission Reduction Monitor
  • Overview
  • Cold Start Emission Reduction Component Monitor
    • Notes
    • Engine Speed And Spark Timing Monitor
    • Cold Start Engine Speed Monitor Operation
    • Engine Speed Monitor Entry Conditions
    • Cold Start Spark Timing Monitor Operation
    • Spark Timing Monitor Entry Conditions
    • Cold Start Variable Cam Timing (VCT) Monitor
  • Cold Start Emission Reduction System Monitor
    • Notes
    • Cold Start Emission Reduction System Monitor Operation
    • Cold Start Emission Reduction System Monitor Entry Conditions
• Comprehensive Component Monitor (CCM)
• Electric Exhaust Gas Recirculation (EEGR) System Monitor
• Engine Off Timer Monitor
• Enhanced Thermostat Monitor
• Evaporative Emission (EVAP) Leak Check Monitor
  • Notes
  • Engine On EVAP Leak Check Monitor
  • Engine Off Natural Vacuum (EONV) EVAP Leak Check Monitor
• Fuel System Monitor
• Heated Oxygen Sensor (HO2S) Monitor
• Misfire Detection Monitor
  • Notes
  • Misfire Monitor Operation
  • Low Data Rate (LDR) System
  • High Data Rate (HDR) System
  • General Misfire Processing
  • Rough Road Detection
  • Profile Correction
  • Neutral Profile Correction And Non Volatile Memory
  • Customer Drive Cycle For Profile Correction (60 To 40 MPH Deceleration)
  • Misfire Detection Monitor Specifications
• Positive Crankcase Ventilation (PCV) System Monitor
• Thermostat Monitor
• Variable Camshaft Timing (VCT) Monitor