Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures
  • DTC Index
  • Electrical Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • OEM Connector End Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Accessories Control Systems
    • Component Testing
  • Anti-Theft Systems
    • Anti-Theft
    • Handles, Locks, Latches And Entry Systems
    • Passive Anti-Theft System Job Aid
    • Remote Keyless Entry System [Transmitter Programming Procedures]
  • Communication Devices
    • Electronic Features
    • Module Communications Network
  • Cruise Control Systems
    • Speed Control
  • Entertainment Systems
  • Exterior Lights
    • Exterior Lighting
  • Gauges & Instrument Panels
    • Information, Gauges & Warning Devices
  • Headlights
    • Exterior Lighting
  • Heated Glass/Defoggers
    • Body System - Exterior
  • Infotainment
    • Entertainment System
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    • Body System - Interior
  • Interior/Illumination Lights
    • Interior Lighting
  • Mirrors
    • Body System - Exterior
  • Seats
    • Seat System
  • Window Motors & Regulators
    • Body System - Exterior
  • Wiper/Washer Systems
    • Body System - Exterior
• Body & Frame
  • Door Locks
    • Anti-Theft
    • Handles, Locks, Latches And Entry Systems
    • Passive Anti-Theft System Job Aid
    • Remote Keyless Entry System [Transmitter Programming Procedures]
  • Exterior Body Panels
    • Body System - Exterior
  • Exterior/Interior Trim
    • Body System - Interior
  • Frames, Subframes & Crossmembers
    • Body System - Full Frame & Body Mounting -- THUNDERBIRD
  • Mirrors
    • Body System - Exterior
  • Seats
    • Seat System
  • Sun Roof/T-Top/Convertible Top
    • Body System - Exterior
  • Windows
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• Brakes
  • Anti-Lock Brakes
    • Anti-Lock Control
  • Mechanical - Hydraulic
    • Disc Brakes
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    • Anti-Lock Control
• Drivelines & Axles
  • Axle Shafts
    • Driveline System
  • Differentials & Drive Axles
    • Driveline System
  • Driveshaft & Universal Joints
    • Driveline System
• Electrical
  • Body Electrical
    • OEM Connector End Views
  • Charging Systems
    • Generators & Regulators
  • Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
  • Fuses & Circuit Breakers
  • Information, Gauges & Warning Devices
  • Motors, Switches, Relays
    • OEM Connector End Views
  • Starter
    • Intake Air, Fuel Charging, Starting & Engine Electronics
    • Starting System
  • Wiring Diagrams
    • OEM Connector End Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Accessory Drive Belts
    • Cooling System Specifications & Drive Belt Routing
  • Electric Cooling Fans
  • Cooling System (Mechanical)
    • Cooling System Specifications & Drive Belt Routing
    • Engine Cooling
  • Exhaust System
  • Fuel System
    • Fuel System
    • Intake Air, Fuel Charging, Starting & Engine Electronics
  • Mechanical
    • Engine
    • Engine System-General Information
  • Starter
    • Intake Air, Fuel Charging, Starting & Engine Electronics
    • Starting System
• Engine Performance
  • Emissions
    • EGR Function Testing - Ford - Cars
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Fuel Delivery
    • Fuel System
    • Intake Air, Fuel Charging, Starting & Engine Electronics
  • Ignition System
    • Intake Air, Fuel Charging, Starting & Engine Electronics
  • Mode 6 - 2004 Ford - Except Diesel
  • Pin Voltage Charts
    • Engine Controls - Reference Values - Aviator Through F-Series Heritage - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - ECONOLINE Through Explorer/Mountaineer - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - F-150 Through Focus - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - FREESTAR Through Mustang Cobra - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - Introduction - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - Navigator Through Town Car - CNG, Flex-Fuel & Gasoline
  • Specifications
    • Firing Order & Cylinder Identification
    • Fuel System Pressure Specifications
  • System
    • Engine Controls - Diagnostic Methods - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Introduction - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test A: No Start Through Pinpoint Test DJ: Air Conditioner Evaporator Temperature (ACET) Sensor - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test DK: Accelerator Pedal Position Sensor Through Pinpoint Test DV: Throttle Body Assembly Etc - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test DX: Engine Coolant Temperature (ECT) Sensor Through Pinpoint Test HC: Fuel Delivery System - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test Hd: Misfire Detection Monitor Through Pinpoint Test HY: Generator/Regulator System - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test Index - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test JB: Secondary Ignition (Cop) Through Pinpoint Test KD: Electric Exhaust Gas RECIRCULATION (EEGR) System - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test KE: Idle Air Control (IAC) Valve Through Pinpoint Test QA: Unable To Activate Self-Test/Network Communication Error/DTC P1001 - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test QB: DTCS P0603 Or P1633: Keep Alive Power Through Pinpoint Test Z: Intermittent - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Powertrain DTC Charts & Descriptions - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - Aviator Through F-Series Heritage - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - ECONOLINE Through Explorer/Mountaineer - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - F-150 Through Focus - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - FREESTAR Through Mustang Cobra - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - Introduction - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - Navigator Through Town Car - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Symptom Charts - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Theory & Operation - CNG, Flex-Fuel & Gasoline
  • Testing & Diagnosis
    • Engine Controls - Diagnostic Methods - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Introduction - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test A: No Start Through Pinpoint Test DJ: Air Conditioner Evaporator Temperature (ACET) Sensor - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test DK: Accelerator Pedal Position Sensor Through Pinpoint Test DV: Throttle Body Assembly Etc - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test DX: Engine Coolant Temperature (ECT) Sensor Through Pinpoint Test HC: Fuel Delivery System - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test Hd: Misfire Detection Monitor Through Pinpoint Test HY: Generator/Regulator System - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test Index - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test JB: Secondary Ignition (Cop) Through Pinpoint Test KD: Electric Exhaust Gas RECIRCULATION (EEGR) System - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test KE: Idle Air Control (IAC) Valve Through Pinpoint Test QA: Unable To Activate Self-Test/Network Communication Error/DTC P1001 - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Pinpoint Test QB: DTCS P0603 Or P1633: Keep Alive Power Through Pinpoint Test Z: Intermittent - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Powertrain DTC Charts & Descriptions - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - Aviator Through F-Series Heritage - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - ECONOLINE Through Explorer/Mountaineer - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - F-150 Through Focus - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - FREESTAR Through Mustang Cobra - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - Introduction - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Reference Values - Navigator Through Town Car - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Symptom Charts - CNG, Flex-Fuel & Gasoline
    • Engine Controls - Theory & Operation - CNG, Flex-Fuel & Gasoline
  • Theory and Operation
    • Engine Controls - Theory & Operation - CNG, Flex-Fuel & Gasoline
  • Tune-Up
    • Intake Air, Fuel Charging, Starting & Engine Electronics
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - General Information
  • Brakes
    • Anti-Lock Brake Safety Precautions - General Information
    • Map - Brake Systems
    • Map - Routine Inspection Reference Guide
  • Check Lists
    • Symptom Check List Worksheet - General Information
  • OBD-II Drive Cycles
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • DTC Index
  • Electrical
    • Map - Electrical Systems
    • Using lemon2025'S System Wiring Diagrams
  • Engine
    • Engine Overhaul Procedures - General Information
    • General Cooling System Service - General Information
  • Engine Performance
    • Electrostatic Discharge Warning - General Information
    • Engine Performance Diagnostic Routine Outline - General Information
    • Engine Performance Safety Precautions
    • Map - Engine Performance & Maintenance
    • Parasitic Load Explanation & Test Procedures - General Information
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
    • Waveforms - Injector Pattern Tutorial - General Information
  • Map - Exhaust Systems
  • Heating, Ventilation & A/C (HVAC)
    • Map - Heating, Ventilation, & Air Conditioning
  • Hoist/Jack
    • General Information
  • Identification
    • CANADIAN Model Cross-Reference
    • General Information
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • General Information
    • Noise, Vibration & Harshness
  • Maintenance Reminder Light (Reset Procedures)
  • Specifications Index
    • Common Specs & Procedures
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • General Servicing
    • Cabin Air Filter
  • HVAC Control Systems
    • Climate Control System
• Maintenance
  • Maintenance Reminder Light (Reset Procedures)
• Restraints
  • Air Bag, SRS
    • Air Bag Restraint Systems
    • Supplemental Inflatable Restraint System - Air Bag Deactivation Procedures
    • Supplemental Inflatable Restraint System -- Air Bag/SRS Component Inspection & Replacement Tables
  • Restraints Control Systems
    • Safety Belt System
    • Supplemental Inflatable Restraint System - Air Bag Deactivation Procedures
    • Supplemental Inflatable Restraint System -- Air Bag/SRS Component Inspection & Replacement Tables
  • Seat Belts
    • Safety Belt System
    • Supplemental Inflatable Restraint System - Air Bag Deactivation Procedures
    • Supplemental Inflatable Restraint System -- Air Bag/SRS Component Inspection & Replacement Tables
• Steering
  • Manual Steering
    • Steering System
  • Power Steering
    • Steering System
• Suspension
  • Front Suspension
  • Rear Suspension
  • Wheel Alignment
    • Specifications & Procedures
• Transmission
  • Automatic Transmission
  • Transmission Control Systems
    • Automatic Transmission
• External Pages