Section 123 (Engine Controls - Theory & Operation - CNG, Flex-Fuel & Gasoline)
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2003 Mercury Sable, 2003 Mercury Mountaineer, 2003 Mercury Marauder, 2003 Mercury Grand Marquis, and 2003 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Air Induction Systems
- Supercharger (F150 Lightning 5.4L SC & Mustang 4.6L SC)
- Variable Induction System
- Intake Manifold Runner Control - Focus 2.0L (VIN P), Econoline & Pickup 4.2L (VIN 2) & Windstar 3.8L (VIN 4)
- Intake Manifold Swirl Control Vacuum Actuated System - Ranger 2.3L (VIN D)
- Intake Manifold Tuning Valve - LS, Sable & Taurus 3.0L (VIN S), Econoline & Pickup 4.6L (VIN W), & Blackwood 5.4L 4VPC (VIN A)
- Computerized Engine Controls
- Powertrain Control Module
- Power & Ground Signals
- Powertrain Control Module Software
- Engine RPM/Vehicle Speed Limiter
- Fail-Safe Cooling Strategy
- Failure Mode Effects Management
- Flash Electrically Erasable Programmable Read Only Memory
- Fuel Trim
- Idle Air Trim
- Idle Speed Control Closed Throttle Determination
- Multiplexing
- Multiplexing Implementation
- Standard Corporate Protocol
- High Speed - Controller Area Network (HS-CAN)
- Diagnostic Monitors
- Constant Control Relay Module
- Fuel Pump Driver Module
- Generic Electronic Module
- Natural Gas Vehicle Module
- Input Devices
- Notes
- A/C Cycling Switch
- Air Conditioning Evaporator Temperature Sensor
- Air Conditioning Pressure Sensor
- A/C High Pressure Switch
- Brake Pedal Position Switch
- Brake Pressure Applied/Brake Deactivator Switch
- Camshaft Position Sensor
- Clutch Pedal Position Switch
- Crankshaft Position Sensor
- Cylinder Head Temperature Sensor
- Differential Pressure Feedback EGR Sensor
- Engine Coolant Temperature Sensor
- Engine Fuel Temperature Sensor
- Engine Oil Temperature Sensor
- Fan Speed Sensor
- Fuel Level Input
- Fuel Pump Monitor (With Fuel Pump Driver Module)
- Fuel Pump Monitor (Without Fuel Pump Driver Module)
- Fuel Tank Pressure Sensor
- Fuel Rail Pressure Sensor
- Generator Load
- Generator Monitor
- Heated Oxygen Sensor
- Intake Air Temperature Sensor
- Intake Manifold Runner Control
- Intake Manifold Swirl Control
- Intake Manifold Tuning Valve
- Knock Sensor
- Mass Airflow Sensor
- Output Shaft Speed Sensor
- Power Steering Pressure Sensor
- Power Steering Pressure Switch
- Power Take-Off Switch
- Thermal Manifold Absolute Pressure Sensor
- Throttle Position Sensor
- Transmission Control Switch
- Vehicle Speed Sensor
- 4x4 Mode Switch
- Output Devices
- Notes
- Canister Vent Solenoid
- Coil Pack
- Coil On Plug
- Electric EGR Motor System
- EGR System Module
- EGR Vacuum Regulator Solenoid
- Electric Secondary Air Injection Pump
- Evaporative Emission Canister Purge Valve
- Fan Control
- Fuel Cap Off Indicator Light
- Fuel Injectors
- Fuel Pump (Applications Using Fuel Pump Relay For Fuel Pump ON/OFF Control)
- Fuel Pump Driver Module Applications & Applications With Fuel Pump Functions Incorporated In Rear Electronic Module)
- Generator Communication
- Idle Air Control Valve
- Intake Manifold Runner Control
- Intake Manifold Swirl Control
- Intake Manifold Tuning Valve
- Malfunction Indicator Light
- Secondary Air Injection By-Pass Solenoid
- Solid State Relay
- Thermostat Heater Control
- Transmission Control Indicator Light
- Wide Open Throttle A/C Cut-Off Relay
- Vapor Management Valve
- Vehicle Speed Output
- Vistronic Drive Fan
- Fuel Systems (Gasoline)
- Fuel Systems (Natural Gas)
- Idle Speed
- Ignition Systems
- Variable Cam Timing System
- Catalyst & Exhaust Systems
- Evaporative Emission Systems
- Secondary Air Injection System
- EGR Systems
- Self-Diagnostic System
- Electronic Throttle Control
- Miscellaneous Controls
- Wiring Diagrams