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2004
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V40 Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control Module (ECM) Diagnostic Trouble Codes - 1 Of 3
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ECM-25: Long-Term Fuel Trim. Lean. Permanent Fault (B4204T2 CVVT; 2000)
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Lean. Permanent fault
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Replacing the component
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Replacing the component
Replace the front heated oxygen sensor (HO2S) according to
Replace the front heated oxygen sensor (HO2S)
.
Fig 1: Identifying Heated Oxygen Sensor (HO2S)
Courtesy of VOLVO CARS OF NORTH AMERICA.
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Refer to
Resetting the adaptation