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Home >> Volvo >> 2007 >> C70 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) - Description Of Behaviors And Frozen Values >> Engine Electrical >> Description Of Frozen Values >> Front Heated Oxygen Sensor, Bank 1 (^)

Front Heated Oxygen Sensor, Bank 1 (^)

The normal value is λ = 1.

If the mixture is rich, λ is less than 1.

If the mixture is lean, λ is greater than 1.