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Century V6-3.1L VIN J
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Powertrain Management
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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Fuel Trim Cell
Fuel Trim Cell
Scan Tool Displays
0-9
Fuel trim cell is dependent upon engine speed and MAF sensor readings. A plot of RPM vs.
MAF
is divided into 10 cells. Fuel trim cell indicates which cell is currently active.