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Discussion Starter · #1 · (Edited)
09 LX Sedan 1850 miles. Recently noticed a 'ticking sound' at idle. It's a very rapid tic noise in tune with RPM's. Does anyone have this noise?? Is it lifters or fuel injectors? Only does it while idling and cold - trying to avoid the dealer as I would have to leave it overnight to cool and then they would start it in the morning to hear it. Should I just ignore this right now or am I going to break down soon?

Thanks.

EDIT to correct that 'tic noise' is not in tune with RPMs - separate.
 

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Overhead cam engines don't have lifters. I believe you meant the rocker arms.;)

Yeah the tapping sound at idle is cause by the cam lobes hitting the rocker arms and a little bit by the valves hitting their seats as they close. It's completely normal.
 

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Discussion Starter · #6 ·
Thanks asndragonboii,

...for the link. Hope this helps others too. I didn't realize my 'noise' til I got to the store and then heard the ticking. Just validates the honda/acura mech's diagnosis...doesn't happen when cold idle. thanks again.
 
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