Code : P219B
Description : P219B NISSAN Cylinder A/F Imbalance Monitoring Bank 2
Possible causes :
– Fuel injector
– Exhaust gas leaks
– Incorrect fuel pressure
– Mass air flow sensor
– Intake air leaks
– Lack of fuel
– Incorrect PCV hose connection
– Improper spark plug
– Insufficient compression
– The fuel injector circuit is open or shorted
– Ignition coil
– The
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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