V70 L5-2.4L VIN 55 B5254S (1998)
Air/Fuel Mixture: Testing and Inspection
Air / Fuel Mixture
CO Content (A/F Mixture) and Idle Speed cannot be adjusted, only checked.
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CO Content is checked upstream of the Three-Way Catalytic Converter (TWC).
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The Heated Oxygen Sensor (HO2S) must be connected during measurement.
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A/C must be switched OFF during measurement.
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Engine must be fully warmed up.
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Automatic transmission: Gear selector lever must be in PARK during measurement.
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EVAP-valve plugged.
CO Content .......................................................................................................................................................................................................... 0.2 - 1.0%