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Registered
Join Date: Oct 2005
Location: Capistrano Beach, Ca.
Posts: 7,235
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You may want to add loose chain tensioners as a possibility to that list.
Should you be concerned? Absolutely, especially if it is pre-ignition or loose cam chains. Either of those conditions can lead to a catastrophic failure if left unattended. The best advice I can give is to find out what is causing the noise and do not drive the car unnecessarily until you do.
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L.J.
Recovering Porsche-holic
Gave up trying to stay clean
Stabilized on a Pelican I.V. drip
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