P1143 OBD Trouble Code

1 result found

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

Heated oxygen sensor (HO2S) 1, Bank 1 - lean shift monitoring
Cause

Wiring, HO2S, fuel system, injector, air leak, ECM

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