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Home >> Oldsmobile >> 1997 >> Cutlass Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Controls - System & Component Testing - 2.4L) >> Ignition System >> Timing Control Systems >> Ignition Control (IC) Timing Advance System

Ignition Control (IC) Timing Advance System

WARNING: This page is about a different car, the 1997 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

A malfunction in the IC circuit (formerly referred to as the EST circuit) will cause PCM to turn on Malfunction Indicator Light (MIL) and confirm fault by setting a related diagnostic trouble code. Refer to the TESTS W/CODES - 2.4L article.

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