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Home >> Pontiac >> 1999 >> Sunfire L4-2.2L VIN 4 >> 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 >> Engine Scan Tool Data Definitions >> FT Index
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FT Index

Range - 0-255 (-100% to 100%)
Fuel Trim (FT) Index represents the average Long Term Fuel Trim for certain cells which are used in determining DTC P0171 and P0172.
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