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2003
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Focus LX, 2.0 P, Standard
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Controls - Theory & Operation - CNG, Flex-Fuel & Gasoline
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Computerized Engine Controls
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Input Devices
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Intake Manifold Runner Control
Intake Manifold Runner Control
See
VARIABLE INDUCTION SYSTEM
under AIR INDUCTION SYSTEMS.