2008 Nissan Pathfinder Rough Idle and P0455 Error Code
What is your question?
Hi, we have a 2008 Nissan pathfinder LE 4.0 that has a rough idle sometimes and the engine light turns on occasionally with code P0455 "evaporitive Emission System Leak Detected (Large Leak)". Also recently the engine light was on and all the controls such as nav, radio, fan controls, back up camera etc. all turned off when starting and driving. Then magically everything turned back on and the engine light dissapeared, but still rough idle. We are on a road trip currently and are concerned that the vehicle might be failing. Looking forward to your reply. Thank you! Nissan Pathfinder
What makes this problem better or worse?
intermitent
How long has your 2008 Nissan Pathfinder had this problem?
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Hi this is Dusty, I'm one of the auto experts on RepairPal's Car Genius team.
The rough idle, the P0455, and the loss of power are more likely than not, going to be separate issues.
And they would each need to be evaluated independently.
The rough idle could be as simple as a tune-up/spark plug replacement or issue with the ignition system, or it could be a mechanical issue.
The loss of electrical power is likely related to the starting/charging system in the vehicle.
The Evaporative Emissions Leak could be as simple as a failed gas cap, or an issue with a control valve or line has been compromised.
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