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Home › Jaguar › 2003 › XJ8 Base › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Trouble Code Identification › DTC P3008: ECM Ho2S Control Malfunction (Bank 2, Upstream 1) › Possible Cause

Possible Cause

HO2S heater failure.
HO2S sensing circuit shorted to ground or voltage.
HO2S sensing circuit open.
ECM failure.