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Ford
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2005
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Focus ZX5 S, Automatic
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Repair and Diagnosis (Single Page)
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Engine Performance
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Testing & Diagnosis
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Engine Controls - Diagnostic Methods (Except Diesel & Hybrid)
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Adaptive Fuel Diagnostic Trouble Codes Diagnostic Techniques
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DTC P0172/P0175: System Too Rich Diagnostic Aids
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Base Engine
Base Engine
Engine oil contaminated with fuel can contribute to a rich running engine.