HP Headers Rattling
I'd check to make sure all of your O2 sensors are firmly in place. I had a rattle for a couple of days, went under the car to see what it was. And the O2 sensor on the cat was loose by about 1/2 a turn.
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Honda Civic Forum
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jdh022764
7th Generation Civic 2001 - 2005
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Nov 3, 2015 06:44 AM






