Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures
    • Engine Coolant Capacities
    • General Servicing
    • Power Steering General Servicing
  • Electrical Component Locations
    • Fuse Block & Flasher Locations
  • Technical Bulletins
    • Technical Service Bulletins
  • Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
    • Wiring Diagrams - Fiesta
    • Wiring Diagrams - Printed Circuit - Ford & Mercury
• Accessories & Equipment
  • Anti-Theft Systems
    • Door & Tailgate Locks
    • Trunk Lid Latches - Electric
  • Cruise Control Systems
    • Speed Control Systems - Automatic
  • Exterior Lights
    • Turn Signal & Hazard Flasher Systems
  • Gauges & Instrument Panels
    • Switches, Gauges & Instrument Panels
    • Wiring Diagrams - Printed Circuit - Ford & Mercury
  • Heated Glass/Defoggers
    • Defoggers - Rear Window
    • Rear Window Defogger Fan
  • Horns
    • Horn Button, Steering Wheel, Turn Signal Switch Removal
  • Ignition Switch/Steering Lock
    • Ignition Switch & Lock Cylinders
  • Seats
    • Seat Controls - Electric - Ford 6-Way
  • Steering Column Switches
    • Fiesta
    • Horn Button, Steering Wheel, Turn Signal Switch Removal
  • Warning Systems
    • Key Warning Buzzers
    • Seat Belt Warning Systems
    • Turn Signal & Hazard Flasher Systems
  • Window Motors & Regulators
    • Window Controls - Electric
  • Wiper/Washer Systems
• Body & Frame
  • Door Locks
    • Door & Tailgate Locks
    • Trunk Lid Latches - Electric
  • Ignition Switch/Steering Lock
    • Ignition Switch & Lock Cylinders
  • Seats
    • Seat Controls - Electric - Ford 6-Way
  • Sun Roof/T-Top/Convertible Top
    • Sun & Moon Roofs - Electric
  • Windows
    • Window Controls - Electric
• Brakes
  • Brakes Control Systems
    • Hydraulic System Control Valves
  • Mechanical - Hydraulic
    • BENDIX/DELCO-Moraine Dual Piston Master Cylinder
    • Brake System Trouble Shooting
    • Brake Systems - BENDIX Single Anchor Automatic Adjuster
    • Brake Systems - BENDIX Single Piston Disc
    • Brakes
    • Hydraulic Brake Bleeding
    • Hydraulic System Control Valves
    • Power Brake Units - BENDIX HYDROBOOST
    • Power Brake Units - BENDIX Single Diaphragm
• Drivelines & Axles
  • Differentials & Drive Axles
    • Drive Axle Trouble Shooting
    • Gear Tooth Contact Patterns
  • Driveshaft & Universal Joints
  • Wheel Hubs
    • Fiesta
• Electrical
  • Body Electrical
    • Defoggers - Rear Window
    • Door & Tailgate Locks
    • Fiesta
    • Key Warning Buzzers
    • Rear Window Defogger Fan
    • Seat Back Latches - Electric
    • Seat Belt Warning Systems
    • Seat Controls - Electric - Ford 6-Way
    • Speed Control Systems - Automatic
    • Sun & Moon Roofs - Electric
    • Switches, Gauges & Instrument Panels
    • Trunk Lid Latches - Electric
    • Window Controls - Electric
  • Charging Systems
    • Alternator Regulators - BOSCH
    • Alternators - BOSCH
    • Alternators & Regulators - MOTORCRAFT With Separate Regulator
    • Alternators & Regulators - Testing
    • Charging System Troubleshooting
    • MOTORCRAFT Alternators
    • MOTORCRAFT Regulators
  • Component Locations
    • Fuse Block & Flasher Locations
  • Fuses & Circuit Breakers
    • Fuse Block & Flasher Locations
    • Fuses & Circuit Breakers
  • Gauges
    • Switches, Gauges & Instrument Panels
    • Wiring Diagrams - Printed Circuit - Ford & Mercury
  • Horns
    • Horn Button, Steering Wheel, Turn Signal Switch Removal
  • Motors, Switches, Relays
    • Defoggers - Rear Window
    • Door & Tailgate Locks
    • Fiesta
    • Key Warning Buzzers
    • Rear Window Defogger Fan
    • Seat Back Latches - Electric
    • Seat Belt Warning Systems
    • Seat Controls - Electric - Ford 6-Way
    • Speed Control Systems - Automatic
    • Sun & Moon Roofs - Electric
    • Switches, Gauges & Instrument Panels
    • Trunk Lid Latches - Electric
    • Window Controls - Electric
  • Starter
    • Starters - BOSCH
    • Starters - MOTORCRAFT
    • Starting Systems Trouble Shooting
  • Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
    • Wiring Diagrams - Fiesta
    • Wiring Diagrams - Printed Circuit - Ford & Mercury
• Engine Mechanical
  • Auxiliary Emission Control Systems
    • Air Injection System
    • Catalytic Converters
    • Cold Start Spark Advance
    • Cold Temperature Activated Vacuum
    • Crankcase Ventilation
    • Distributor Vacuum Vent Valve
    • Electric Assist Choke
    • Evaporative Emissions System
    • Exhaust Gas RECIRCULATION (EGR) System - Fiesta
    • Ford & BOSCH Dual Diaphragm Vacuum Unit
    • Fuel Tank Vapor Control
    • Ported Vacuum Switches
    • Positive Crankcase Ventilation System (PCV)
    • THERMACTOR I System
    • THERMACTOR II Pulse Air System
    • Thermostatic Air Cleaner
    • Thermostatic Air Cleaners - All Manufacturers
  • Variable Speed Cooling Fans
  • Cooling System (Mechanical)
    • Coolant Recovery Systems
    • Cooling System Trouble Shooting
    • Engine Coolant Capacities
    • General Cooling System Servicing
  • Exhaust
    • Air Injection System
    • Exhaust Gas RECIRCULATION (EGR) System - Fiesta
  • Fuel System
    • Carburetor Trouble Shooting
    • Evaporative Emissions System
    • Weber 740 2-Barrel Carburetors
  • Mechanical
    • 1600 Cc 4 Cylinder
    • Engine Identification
    • Engine Removal
    • Gasoline & Diesel Engine Trouble Shooting
    • Oil Pan Removal
  • Starter
    • Starters - BOSCH
    • Starters - MOTORCRAFT
    • Starting Systems Trouble Shooting
• Engine Performance
  • Emissions
    • EGR Function Testing - Ford - Imports
    • Emission Applications - 1966-83 - Except Diesel
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Engine Control Systems
    • Air Injection System
    • Crankcase Ventilation
    • Evaporative Emissions System
    • Exhaust Gas RECIRCULATION (EGR) System - Fiesta
    • Thermostatic Air Cleaner
  • Fuel Delivery
    • Carburetor Trouble Shooting
    • Evaporative Emissions System
    • Weber 740 2-Barrel Carburetors
  • Ignition System
    • Distributor Applications
    • Distributor Specifications
    • Distributors & Ignition Systems
    • MOTORCRAFT DURA-Spark & Solid State Ignition
    • MOTORCRAFT DURASPARK II Electronic Ignition
    • MOTORCRAFT EEC Ignition
  • Specifications
    • Distributors & Ignition Systems
    • Tune-Up Specifications
  • Tune-Up
    • Distributor Applications
    • Distributor Specifications
    • Distributors & Ignition Systems
    • Emission Control Application
    • MOTORCRAFT DURA-Spark & Solid State Ignition
    • MOTORCRAFT DURASPARK II Electronic Ignition
    • MOTORCRAFT EEC Ignition
    • Tune-Up Procedures - 4-Cylinder
    • Tune-Up Specifications
  • Vacuum Diagrams (Fiesta)
  • Wiring Diagrams - Fiesta
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Charging System Troubleshooting
    • Clutch Trouble Shooting
    • Commonly Used Abbreviations - General Information
    • Cooling System Trouble Shooting
    • Drive Axle Trouble Shooting
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - General Information
    • Gasoline & Diesel Engine Trouble Shooting
    • General Servicing
    • Manual A/C Systems - Trouble Shooting & Diagnosis
    • Manual/Power Steering Trouble Shooting
    • Starting Systems Trouble Shooting
    • Suspension Trouble Shooting
    • Wheel Alignment (Troubleshooting)
  • Brakes
    • Anti-Lock Brake Safety Precautions - General Information
    • Map - Brake Systems
    • Map - Routine Inspection Reference Guide
  • Check Lists
    • Symptom Check List Worksheet - General Information
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • 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
    • Ford Motor Co.
    • Jacking & Hoisting
  • Identification
    • CANADIAN Model Cross-Reference
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • Specifications Index
    • Engine Coolant Capacities
    • General Servicing
    • Power Steering General Servicing
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Towing Procedure
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • General Servicing
  • HVAC Control Systems
    • Auto. A/C Systems
    • Heaters
    • Manual A/C Systems - Ford & Mercury
    • Manual A/C Systems - Trouble Shooting & Diagnosis
• Maintenance
  • Procedures
    • Alternators & Regulators - Testing
    • Fiesta
    • General Cooling System Servicing
    • Hydraulic Brake Bleeding
    • Power Steering General Servicing
    • Wheel Alignment (Inspection)
    • Wheel Alignment (Pre-Alignment)
    • Wheel Alignment (Procedures)
• Restraints
  • Restraints Control Systems
    • Seat Belt Warning Systems
  • Seat Belts
    • Seat Belt Warning Systems
• Steering
  • Manual Steering
    • Manual/Power Steering Trouble Shooting
    • Power Steering Gears - SAGINAW Ball Bearing Worm & Nut
    • Power Steering General Servicing
    • Power Steering Pumps
    • Steering Gears & Linkage - Rack & Pinion
    • Steering Linkage
  • Power Steering
    • Manual/Power Steering Trouble Shooting
    • Power Steering Gears - SAGINAW Ball Bearing Worm & Nut
    • Power Steering General Servicing
    • Power Steering Pumps
    • Steering Gears & Linkage - Rack & Pinion
    • Steering Linkage
  • Steering Column
    • Collapsible Steering Columns
    • Horn Button, Steering Wheel, Turn Signal Switch Removal
    • Movable Steering Columns
    • Steering Columns
  • Steering Gear
    • Power Steering Gears - SAGINAW Ball Bearing Worm & Nut
    • Power Steering Pumps
    • Steering Gears & Linkage - Rack & Pinion
  • Steering Linkage
    • Steering Gears & Linkage - Rack & Pinion
    • Steering Linkage
• Suspension
  • Front Suspension
    • Front Suspension
    • Suspension Trouble Shooting
  • Rear Suspension
    • Rear Suspension
    • Suspension Trouble Shooting
  • Wheel Alignment
    • Wheel Alignment (Inspection)
    • Wheel Alignment (Pre-Alignment)
    • Wheel Alignment (Procedures)
    • Wheel Alignment (Specifications)
    • Wheel Alignment (Troubleshooting)
• Transmission
  • Clutch
    • Clutch Trouble Shooting
    • Clutches
• External Pages