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Home >> Buick >> 2001 >> Park Avenue Ultra V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Instrument Panel, Gauges and Warning Indicators >> Description and Operation >> Instrument Cluster >> Tachometer

Tachometer

The IPC uses the engine speed signal circuit from the PCM in order to calculate the engine speed. The tachometer defaults to 0 RPM if a malfunction in the engine speed signal circuit exists.
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