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Home >> Volvo >> 2004 >> S40 Base, 1.9 27 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Ignition And Control Systems - Specifications, Electrical/Electronic (644 Body) >> Parameter Table. Engine Management System (Ems2000) (B4204T3; 2004) >> Description of parameters >> Long term fuel trim, part load

Long term fuel trim, part load

Measurement range -50-+50%

The value indicates how much the injection period at part load has been adjusted compared to a reference value.

The value is first updated after the engine has been revved