Operation CHARM
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Camaro V6-3.8L VIN K
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Scan Tool Data Definitions - Powertrain Systems
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Start Up ECT
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Start Up ECT
The scan tool displays
-40 to +151°C, -40 to +304 °F
. This indicates the engine coolant temperature at the time that the vehicle was started. Used by the HO2S diagnostic to determine if the last startup was a cold start.