1990 Ford Engine Emissions-Diagnosis (Non-NAAO) Service Shop Repair Manual. ORIGINAL

Developed by Ford Motor Company, this shop manual provides the Engine/Emissions and Transaxle Diagnostics information for the following vehicle, engine, and transaxle combinations:

Model Year   Vehicle             Engine   Systems Covered in this Manual
1990             Festiva             1.3L        All EEC Diagnostics
1990             Probe               2.2L        All EEC and 4EAT Diagnostics
1990             Probe               3.0L        4EAT Transaxle Diagnostics Only
1991             Escort/Tracer   1.8L        All EEC and 4EAT Diagnostics
1991             Escort/Tracer   1.9L        4EAT Transaxle Diagnostics Only

Appropriate service methods and procedures are essential for the safe, reliable operation of all motor vehicles as well as the personal safety of the individual doing the work. The descriptions and specifications contained in the manual were in effect at the time of publication. Note: These manuals were never meant as restoration manuals, as that is not within the regular scope of work done by dealership service departments.

For service information on specific vehicle lines for Body, Chassis and Electrical; Powertrains; and/or Pre-Delivery, Maintenance and Lubrication, refer to the appropriate shop manual (NOT Included).

Contents:

Table of Contents
Vehicle/Engine Application Chart
How to Use This Manual

Part I - General Information

Emission Control Identification/Application
Diagnostic Routines
Emission System 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 (BPA) Systems
Inlet Air Control (IAC) Systems
Positive Crankcase Ventilation (PCV) Systems
Turbocharger Systems
Fuel Delivery Systems

Part III - Electronic Systems

Ignition System and Timing Procedures
EEC and 4EAT - Quick Test - All Engines
EEC and 4EAT - Pinpoint Tests - All Vehicles
EEC-IV Monitor Intermittent Fault Diagnosis

Condition: Service Manuals are used in Dealership Shops, Independent Garages and in Fleet Environments and thus can reflect such use, most often showing extensive signs of soiling, age, and wear. The information within is still legible and can give valuable insight. The images shown are representative of what is shipped.