LEMON Manuals
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Genesis
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2021
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G70 3.3T, AWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Diagnosis - 3.3L (3 Of 9)
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DTC P0139-00: O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)
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System Inspection
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Exhaust System Inspection
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Exhaust System Inspection
Check the exhaust system for an exhaust leak near the engine.
Was an exhaust leak found?
YES
Repair as necessary and go to "
VERIFICATION OF VEHICLE REPAIR
" procedure.
NO
Go to next step as below.