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2018 Infiniti QX60 3.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on, Lean
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 ...
FIX posted 4/6/2025
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Related Documents & Media | VIN | 5N1DL0MN9J |
| Engine | 3.5 L / 6 cyl / GAS |
| Delivery | Fuel Injection / Direct injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on, Lean |
| Occurs | Always, Idle, Intermittently, Always Lean, Misfire Intermittent at Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2018 Infiniti QX60
| VIN | 5N1DL0MN9J |
| Engine | 3.5 L / 6 cyl / GAS |
| Delivery | Fuel Injection / Direct injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on, Lean |
| Occurs | Always, Idle, Intermittently, Always Lean, Misfire Intermittent at Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
Video