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Home >> Chevrolet >> 1999 >> Prizm L4-108 1.8L DOHC VIN 8 MFI >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions - Powertrain Systems >> Spark

Spark

Scan tool range -1 to 60 degrees. The scan tool displays the PCM controlled value that is being used to control the spark timing.

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