LEMON Manuals
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Infiniti
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2021
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Q60 Luxe, 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 (DTCS) (2 Of 7)
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Engine (ECM)
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DTC P0171: Fuel Injection System Function
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DTC Description
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Possible Cause
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Possible Cause
Intake air leaks
A/F sensor 1 (bank 1)
Fuel injector
Exhaust gas leaks
Incorrect fuel pressure
Lack of fuel
Mass air flow sensor
Incorrect PCV hose connection