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Question Asked: Knocking noise
December 28, 2010, 07:02 AM
For some reason or another there is a a LOUD knocking sound coming from my engine after starting it up on a cold days. It normally last for a few minutes until the vehicle is warmed up. I noticed that this only happens in the winter months when it's extremely cold outside. I drive a 2003 Infiniti M45. Please help!
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