P1284 – 2005_NISSAN_MAXIMA

Code : P1284
Description : P1284 2005 NISSAN MAXIMA Air Fuel Ratio Sensor 1 Rich Shift Monitoring Bank 2
Possible causes :
– Faulty Air Fuel Ratio (A/F) Sensor 1 Bank 2
– Air Fuel Ratio (A/F) Sensor 1 Bank 2 harness is open or shorted
– Air Fuel Ratio (A/F) Sensor 1 Bank 2 circuit poor electrical connection
– Low fuel pressure
– Faulty Fuel injector
– Intake air leaks
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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