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Ford
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1988
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Bronco 4.9 Y, Standard, M5OD-R2
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Repair and Diagnosis
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Engine Performance
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EEC-IV CEC System
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Quick Test
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Key On Engine Running (KOER) Self-Test
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Engine ID Codes
Engine ID Codes
An engine ID code of 2 (20), 3 (30) or 4 (40) indicates 4, 6 or 8 cylinder engines, respectively.