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Discussion Starter · #1 ·
I just purchased an 2008 Altima 2.5s with 150k.
A day ago, I’m idling and hear a small periodic thump or pop coming from the front engine bay somewhere!
Drove it home and open the hood and the noise dissipates, stumped on where to go from here.
No lights, idles smooth and doesn’t have any issues with performance.
I’m going to be doing a valve cover gasket job so I’ll check the spark plugs this weekend, maybe a misfire?
I don’t know why it wouldn’t persist after the hood is opened.
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