P1143 OBD Trouble Code

1 result found

P1143 - Infiniti
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Heated oxygen sensor (HO2S) 1, Bank 1 - voltage low
Cause

Wiring, mixture, HO2S, ECM

Try also: https://www.obd-codes.com/p1143