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Home >> Oldsmobile >> 1982 >> Cutlass Calais, 4.3L Eng VIN V >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Computer Command Control >> Operation >> Spark Timing >> Notes

Spark Timing: Notes

Spark timing is controlled by 1 of 2 different systems: Electronic Spark Timing (EST) and Electronic Spark Timing with Electronic Spark Control (EST/ESC). Operation of each system is as follows: