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Home >> Pontiac >> 2000 >> Grand Prix V6-3.1L VIN J >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Start-Up ECT
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Start-Up ECT

Scan tool displays -40°C to 151°C, -40°F to 304°F. Indicates the engine coolant temperature at the time that the vehicle was started. Used by the HO2S diagnostic to determine if the last start-up was a cold start.
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