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Ford
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1988
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Pickup F250, 2D Pickup, 4.9 Y, 4WD, Standard, M5OD-R2
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Repair and Diagnosis
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Engine Performance
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System
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EEC-IV CEC System
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Quick Test
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Key On Engine Running (KOER) - Test Menu
Key On Engine Running (KOER) - Test Menu
Fig 1: Key On Engine Running (KOER) Self-Test