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Old 11-08-2012, 06:02 AM   #1
Focus Jr. Enthusiast
Join Date: Dec 2011
Fan#: 92608
Location: San Diego, CA
What I Drive: 2003 2.3L zx3

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Weird sound from engine

This noise has been happening for as long as i've owned the car(about 3 years now). It only happens sometimes though. I find that the noise gets louder as rpm increases rather than speed. Over the 3 years i've owned it, the noise hasn't got any worse. Anyone know what it might be?
It's a 2003 zx3 2.3L

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