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Home >> Volvo >> 2008 >> S40 T-5, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 30 (Ignition And Control Systems - Specifications, Electrical/Electronic (644 Body)) >> Parameter Table. Engine Management System (Ems2000) (B4204T3; 2004) >> Description of parameters >> Long term fuel trim, idle speed

Long term fuel trim, idle speed

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Measurement range -131- +131 ms

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

The value is first updated after the engine has been revved up.