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Firebird V6-3.8L VIN K
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Repair and Diagnosis
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Powertrain Management
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data Definitions - Powertrain Systems
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Engine Speed
Engine Speed
Scan tool displays
0 to 9999 RPM.
Engine speed is computed by the PCM from the 3X reference input. It should remain close to desired idle under various engine loads with engine idling.