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Home >> Volvo >> 2009 >> C30 R-Design, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control Module (ECM) And Quick Test Tank Systems - Specifications, Other >> Engine Control Module (ECM) (B5244S4; 2007-10) >> Description Of Parameters >> Parameters, Value >> Long Term Fuel Trim
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Long Term Fuel Trim

The parameter displays the adaptation factor of the λ probe.

Measurement range 0-2 λ-adap.

Compensates the injection period at the relevant load so that the λ value can be correctly reached.

Normal value 1.

There are 36 adaptation windows. Which window is active depends on the load and the engine speed.

Works together with "Lambda compensation".

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