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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Engine Controls - Theory & Operation - 5.2L Gasoline) >> Ignition System >> Ignition Timing Control System >> Ignition Timing Advance Control

Ignition Timing Advance Control

WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

Amount of spark advance or retard is determined by inputs that PCM receives from coolant temperature, engine vacuum and engine RPM. During engine operation, PCM can supply an infinite number of advance curves to ensure proper engine operation.

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