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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (5 Of 6) >> Engine (ECM) >> P2098 A/F Sensor 1 >> DTC Description >> VR30DDTT engine >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P2098

POST CATALYST FUEL TRIM SYS B2

(Post catalyst fuel trim system too lean bank 2)

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