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Code P0456 2014 Murano

267 Views 2 Replies 3 Participants Last post by  MilaTg
About a year or two ago my mother's Murano threw a P0456 code, reporting a very small EVAP Leak. I threw a gas cap on it about 3 months ago and while the check engine light hasn't come back on since, I do have a code still pending but its been pending for those 3 months, I also heard the Vent Valve O-Ring on the canister could cause this.
While the CEL has remained off for those 3 months I read up that a stored pending code means that the ECU has found something abnormal but isn't bad enough to set off the CEL. Anyone have any opinions on this? Any thoughts or answers would be much appreciated, Thanks!

Vehicle in question is a 2014 Nissan Murano SL AWD with nearly 158K on the clock.
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