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2003 Nissan Xterra Question: I have a loud noise coming from my engine, and I do mean loud.

 

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Superdiddy68, 3.3L V6 Supercharged, Pearl, MS, July 06, 2013, 20:32
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When check engine light was on I took it to autozone and they told me a knock sensor. Let some mechanics I know look and one guy said exhaust manifold, another said catalynic converter. I have a video of it posted on YouTube.

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