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2000
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Firebird V6-3.8L VIN K
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Powertrain Management
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Scan Tool Testing and Procedures
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Scan Tool Data Definitions - Powertrain Systems
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Fuel Trim Cell
Fuel Trim Cell
Scan tool displays
0 to 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.