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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (5 Of 6) >> Engine (ECM) >> P2097 A/F Sensor 1 >> DTC Description >> VR30DDTT engine >> DTC Detection Logic

DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P2097

POST CATALYST FUEL TRIM SYS B1

(Post catalyst fuel trim system too rich bank 1)

The A/F signal computed by ECM from the A/F sensor 1 signal is shifts to the rich side for a specified period.