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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 >> Idle speed pulse ratio

Idle speed pulse ratio

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 0 -100%.

Idle air control (IAC) valve opening.

The normal value is approximately 20-40% when idling with the engine at operating temperature.

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