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Buick
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1991
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Reatta 2D Convertible
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/Codes - Pcm/BCM
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Data Display Codes
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ECM Data Parameters:
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Ed11
ECM Data Parameters:: Ed11
Engine speed displayed in RPM from 0 to 6375. (May display 20 with ignition on and engine off).