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Home >> Volvo >> 2007 >> V70 R, Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition And Control Systems - Design And Function >> Diagnostic Functions Me7 (B5234T3, B5244T3) >> Probe diagnostics >> Rear heated oxygen sensor (HO2S), electronic check
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Rear heated oxygen sensor (HO2S), electronic check

Diagnostic trouble code (DTC) ECM-2A0A/2B0A is stored if there is a fault in the rear heated oxygen sensors (HO2S) or its wiring causing the signal to deviate from its permitted value.

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