1990 Ford Engine/Emissions-Diagnostic Shop Manual

This Engine/Emission-Diagnostic Shop Manual covers all 1990 models of the Festiva 1.3L, Probe 2.2L, 4EAT Transaxle, and 1991 Escort/Tracer 1.8L, 4EAT Transaxle.

                Part 1: General Information

• Emission Control Identification / Application
• Diagnostic Routines
• Emissions Systems Description, Operation and Component Location
• Engine Supplement
• Glossary

                Part II: Mechanical Systems

• Catalyst and Exhaust Systems
• Exhaust Gas Recirculation  (EGR) Systems
• Evaporative Emission (EVAP) Systems
• By-Pass Air Control (IAC) Systems
• Positive Crankcase Ventilation (PCV) Systems
• Turbocharger Systems
• Fuel Delivery Systems

                Part III: Electronic Systems

• Ignition Systems and Timing Procedures
• EEC and 4EAT - Quick Test - All Engines
• EEC and 4EAT - Pin Point tests - All Vehicles
• EEC-IV Monitor Intermittent Fault Diagnosis