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Home >> Geo >> 1993 >> Storm GSi, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Ignition System >> Timing Control Systems >> Electronic Ignition Timing Advance
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Electronic Ignition Timing Advance

Electronic Spark Timing (EST) is controlled by ECM. Testing information is not supplied by manufacturer. If problem exists with EST, a Code 42 will be set. See TESTS W/CODES article in this section.