Error code
Infiniti All models code P0172
No approved translation for this record yet; showing the original text.
Meaning
System too rich, Bank 1. Failed upstream O2 sensor, stuck-open injector, or ECT sensor fault. When accompanied by P0128, thermostat replacement typically resolves both codes
Member details
Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.
View details as a memberSolution
Solution steps are available to members and are not shown on this page. Answer the questions to open the solution.
Remote technician support
Get help from a technician over a video call.
Address of this page: https://www.remfixit.com/tr/infiniti/tum-modeller/p0172