Hello, I have a similar issue, only without any malfunctions.
I get the check engine light and the one left to it. These lights came on after an unsuccesful shut off. The shut off valve did not close properly. The next day it worked fine, no fuel issues. I took apart the fuel shut off valve cleaned it without any result. Also cleaned the MAP sensor. Even if I disconnect the battery it comes back on immediately.
There is no O2 sensor in this model. Also what do you mean by trim valve?
Any suggestions?
I also have Pathfinder but i can not find any program to connect to the ecu to read the codes.
Truck is a 392-02 2014
Thank you
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