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Home >> Buick >> 1996 >> LeSabre Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Systems Tests W/Codes >> Diagnostic Trouble Codes >> DTC P1406 - EGR Valve Pintle Position Circuit >> Circuit Description

Circuit Description

PCM monitors Exhaust Gas Recirculation (EGR) valve pintle position sensor to ensure valve is responding to commands from PCM.

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