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Showing results for tags 'ticking noise'.
My 04 CS has developed a new issue, anyone have any ideas with this... When the engine is started and running, doesn't matter if its started fresh or has been running hard for an hour, there is a distinct sharp ticking noise, very rapid, that sounds like its coming out of the throttle body on the top front of the motor. I have been through the threads and heard the various postings of the dreaded scored cylinder wall or slapping pistons, this sounds nothing like that, this is a sharp ticking noise and its not coming from the cylinders. Near as I can tell the noise is coming from the top center of the motor from or around the throttle body or even right below. its not loud either, you can only hear it if you open the hood and lean in. No faults, No engine light, some very very small rough idling when coming to a stop sometimes but runs ok, no burning oil, no leaks as far as I can tell anywhere. im stumped, 75K miles and I know its overdue for service. I am going to change coils, plugs, oil and filters soon so I wanna tackle this noise while I am doing that I just don't know where to start.