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Home >> Volvo >> 2004 >> S40 LSE >> 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 >> Idle air trim

Idle air trim

Measurement range -50 to +50%.

The value shows by how much idle air control (IAC) valve opening has been adjusted in relation to a predetermined value.

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