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Jaguar
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2000
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XJ8 Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Trouble Code Identification
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DTC P0031: Ho2S Heater Control Circuit Low Current (Bank 1, Upstream 1)
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System Default Action
System Default Action
ECM default:
Bank 1 close loop fuel metering and adaptive fuel metering inhibited.
Canister purge inhibited.
Bank 1 upstream HO2S heater control circuit switched off.