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Home >> Buick >> 1997 >> Park Avenue Ultra V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Instrument Panel, Gauges and Warning Indicators >> Testing and Inspection >> Component Tests and General Diagnostics >> Circuit Operation - Gauges and Warning Indicators >> Gauge Functions >> Engine RPM

Engine RPM

The Engine RPM (tachometer) gauge is driven by a discrete input from the Powertrain Control Module (PCM).

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