FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Car repair manuals for everyone.
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1999
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Monte Carlo V6-3.8L VIN K
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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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 Range 0 to 9. Engine speed and MAF sensor readings determine the fuel trim cell. A plot of RPM vs. MAF is divided into 10 cells. The fuel trim cell display indicates which cell is currently active.