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Home >> Ford >> 2021 >> Expedition Platinum, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 598 (Engine Controls - Description & Operation (Diesel)) >> Powertrain Control Software >> Fuel Trim >> Notes

Fuel Trim: Notes

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The fuel control system uses fuel trim tables to compensate for the variability that occurs in fuel system components due to normal wear and aging. Fuel trim tables are based on fuel mass.

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