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Home >> Pontiac >> 2000 >> Firefly (CANADA) L4-1.3L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions - Powertrain Systems >> Engine Speed
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Engine Speed

The scan tool range is 0-10,000 RPM: The PCM computes engine speed from ignition reference pulses. The Engine Speed parameter should remain close to the Desired Idle Speed parameter when the engine is warm and idling.
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