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Home >> Geo >> 1991 >> Metro XFi >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Idle Control System >> Timing Control Systems >> Electronic Ignition Timing Advance (Metro XFi)
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Electronic Ignition Timing Advance (Metro XFi)

Ignition timing is controlled by Electronic Control Module (ECM). If crank angle sensor fails, a trouble code may be set. See TESTS W/CODES article in the ENGINE PERFORMANCE Section.