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Contents

Section: Engine Controls - Description & Operation (except Diesel & Hybrid) (section 1)

VECI Decal

VECI Decal Location

Engine/Evaporative Emission (EVAP) System Information

Base Engine Calibration Information

Vehicle Certification Label Location

Engine Calibration Code

Vehicle Emission Control Information (VECI) Acronym Definitions

Engine Control Components

Accelerator Pedal Position (APP) Sensor

Track APP Sensor - Fiesta

2 Track APP Sensor - All Others

3 Track APP Sensor

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

Check Fuel Cap Indicator

Clutch Pedal Position (CPP) Switch

Coil On Plug (COP)

Coil Pack

Cooling Fan Clutch

Cooling Fan Control

Crankshaft Position (CKP) Sensor

Cylinder Head Temperature (CHT) Sensor

Differential Pressure Feedback Exhaust Gas Recirculation (EGR) Sensor

Electric Exhaust Gas Recirculation (EEGR) Valve

Electronic Throttle Actuator Control (TAC)

Electronic Throttle Body Throttle Position Sensor (ETBTPS)

Engine Coolant Temperature (ECT) Sensor

Evaporative Emission (EVAP) Canister Vent Valve

EVAP Check Valve

EVAP Dual Check Valve

Evaporative Emission (EVAP) Ejector

Evaporative Emission (EVAP) Natural Vacuum Leak Detection (NVLD) Module

Evaporative Emission (EVAP) Purge Valve

Exhaust Gas Recirculation (EGR) System Module (ESM)

Exhaust Gas Recirculation (EGR) Vacuum Regulator Solenoid

Exhaust Gas Recirculation (EGR) Valve

Fan Speed Sensor (FSS)

Fuel Injection Pump

Fuel Injectors

Fuel Injectors - Direct Injection

Fuel Pressure Sensor

Fuel Pump (FP) Assembly

Fuel Pump (FP) Assembly And Reservoir

Fuel Rail Pressure (FRP) Sensor

Fuel Rail Pressure Temperature (FRPT) Sensor

Fuel Tank Pressure (FTP) Sensor

Heated Oxygen Sensor (HO2S)

Inertia Fuel Shutoff (IFS) Switch

Intake Air Temperature (IAT) Sensor

Intake Manifold Tuning Valve (IMTV)

Knock Sensor (KS)

Manifold Absolute Pressure (MAP) Sensor

Mass Airflow (MAF) Sensor

Output Shaft Speed (OSS) Sensor

Power Steering Pressure (PSP) Sensor

Power Steering Pressure (PSP) Switch

Power Take-Off (PTO) Switch And Circuits

PTO Circuits Description

Throttle Position (TP) Sensor

Turbocharger

Turbocharger Boost Pressure (TCBP) Sensor

Turbocharger Bypass (TCBY) Valve

Turbocharger Intake Pressure And Temperature (TCIPT) Sensor

Turbocharger (TC) Wastegate Regulating Valve Solenoid

Universal Heated Oxygen Sensor (HO2S)

Vehicle Speed Sensor (VSS)

Wastegate Vacuum Sensor

Overview

Modifications To OBD Vehicles

Powertrain Control Module (PCM)

PCM Locations

Fuel Pump Control Module

Fuel Pump Driver Module (FPDM)

Keep Alive Memory (KAM)

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)

Adaptive Airflow

Brake Over Accelerator

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)

Fuel Level Input (FLI)

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

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)

Catalytic Converter

Light Off Catalyst

Three Way Catalytic Converter (TWC) Conversion Efficiency

Exhaust System

Underbody Catalyst

Three Way Catalytic (TWC) Converter

Exhaust Manifold Runners

Exhaust Pipes

Muffler

Enhanced Evaporative Emission (EVAP) Natural Vacuum Leak Detection (NVLD) System - Fiesta

Enhanced Evaporative Emission (EVAP) System - All Others

Highlights Of The EEGR System

Electronic Returnless Fuel System (ERFS)

Fuel Pump Control - ERFS

Fuel Pump Monitor (FPM) - ERFS

Mechanical Returnless Fuel System (MRFS) - Single Speed

Fuel Pump Control - Single Speed MRFS

Fuel Pump Monitor (FPM) - Single Speed MRFS

Mechanical Returnless Fuel System (MRFS) - Dual Speed

Fuel Pump Control - Dual Speed MRFS

Fuel Pump Monitor (FPM) - Dual Speed MRFS

Fuel Filters

Pressure Test Point

Integrated Electronic Ignition System

Engine Crank/Engine Running

Camshaft Position Failure Mode Effects Management (FMEM)

Throttle Body System Overview

Features Of The Throttle Body Assembly Include

Overview Of The Intake Manifold Tuning Valve (IMTV) System

Heated Fittings or Tube

PCV Valves

Supercharger Assembly

Supercharger Bypass (SCB) System

Charge Air Cooler (CAC) System

Electronic Throttle Body (ETB)

Electronic Throttle Control (ETC) System Strategy

APP And TP Sensor Inputs

Electronic Throttle Actuator Control (TAC) Output

Turbocharger System

VCT System

OBD I, OBD II And Engine Manufacturer Diagnostics (EMD) Overview

OBD I Systems

OBD II Systems

Heavy Duty (HD) OBD II Systems

EMD Systems

Air Fuel Ratio Imbalance Monitor

Catalyst Efficiency Monitor

Vehicles With Universal HO2S

Vehicles With HO2S

Integrated Air Fuel Catalyst Monitor

Cold Start Emission Reduction Component Monitor

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

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

Engine On EVAP Leak Check Monitor - Fiesta

Engine On EVAP Leak Check Monitor - All Others

Engine Off Natural Vacuum (EONV) EVAP Leak Check Monitor

Natural Vacuum Leak Detection (NVLD) Small Leak Monitor

Exhaust Gas Recirculation (EGR) System Monitor - EGR System Module (ESM)

Fuel System Monitor

Heated Oxygen Sensor (HO2S) Monitor

Misfire Detection Monitor

Misfire Monitor Operation

Low Data Rate (LDR) System

High Data Rate (HDR) System

Generic Misfire Processing

Rough Road Detection

Profile Correction

Neutral Profile Correction And Non-Volatile Memory

Misfire Detection Monitor Specifications

Positive Crankcase Ventilation (PCV) System Monitor

Thermostat Monitor

Variable Camshaft Timing (VCT) Monitor

All sections

Fuel Pressure Sensor Ford Econoline E250

Engine Controls - Description & Operation (except Diesel & Hybrid) (section 1) 1 illustration

Fuel Pressure Sensor

The fuel pressure sensor (located in the fuel line near the fuel tank) provides a pressure feedback signal for the low pressure fuel system to the PCM. The PCM uses the FLP signal to determine correct operation of the low pressure fuel system.

Scheme 38

Scheme 38: Fuel Pressure Sensor

Scheme 38: Fuel Pressure Sensor