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Old 03-06-2021, 02:00 PM   #1
Headnsouth
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Join Date: Jun 2005
Location: Sugar Hill, Georgia
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05 G35 Engine Knock

Replaced spark plugs about 10k ago and a bad cam sensor. 159K miles on my 05 G35. MPG around town is 18.3, I was getting 20 MPG. The vehicle runs great but I do get a knock at idle, it's almost like getting a bumper tap. No codes. Any ideas on what to check? I've always ran 83 octane and never had a problem.
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