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Ford
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1990
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Festiva L Plus, Standard
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Repair and Diagnosis (Single Page)
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Engine Performance
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Theory and Operation
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Engine Controls - Theory & Operation
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Computerized Engine Controls
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Input Devices (Fuel Injection)
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Rear Defroster Switch
Rear Defroster Switch
Alternator load condition. ECA advances idle speed to prevent poor idling and increased emissions.