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Home >> Volvo >> 2009 >> XC70 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control Module (ECM) - Specifications, Other >> Engine Control Module (ECM) (B6304T2/T4 2009-2012) >> Description Of Parameters >> Parameters, Value >> EVAP Valve, Work Load (%)
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EVAP Valve, Work Load (%)

Measurement range 0-100%.

The value indicates the pulse width modulated (PWM) signal transmitted from the engine control module (ECM) to the evaporative emissions system (EVAP) valve.

0 % corresponds to closed valve, i. e. when there is no purging.

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