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2018 Infiniti QX60 3.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on, Lean
Posted to Asian Driveability on 4/5/2025 9 Replies

Vehicle came in to me several months ago with a rough idle when cold and customer simply wanted spark plugs replaced as it had over 160,000 miles on the original set. Car came back a few weeks later with a bank two lean condition. Replaced multiple vacuum ...

9 Replies Received (View Replies)

  Related Documents & Media  2018 Infiniti QX60

 
Message Closed w/FIX

car Vehicle Data

2018 Infiniti QX60

VIN 5N1DL0MN9J
Engine3.5 L / 6 cyl / GAS
DeliveryFuel Injection / Direct injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on, Lean
OccursAlways, Idle, Intermittently, Always Lean, Misfire Intermittent at Idle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2018 Infiniti QX60

VIN 5N1DL0MN9J
Engine3.5 L / 6 cyl / GAS
DeliveryFuel Injection / Direct injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on, Lean
OccursAlways, Idle, Intermittently, Always Lean, Misfire Intermittent at Idle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected