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Home >> GMC >> 1999 >> S15/T15 Jimmy 2WD V6-4.3L VIN W >> 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 >> Fuel Trim Cell
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Fuel Trim Cell

Range - (0-22) Cell
22 separate cells contain MAP and RPM values from a range of engine operating conditions. Each cell determines fuel requirements for a specific operating condition that the engine is running within. Examples would be idling, accelerations, road load cruise, or decelerations.
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