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Hello, I have a 2006 focus wagon with the duratec. It sat for about 2 years and just running off some of the older gas in it. I have noticed there is a tick on the chain side if the engine. I can't tell if it's the chain slapping or the valves ticking. It's coming from the front valve areas. It's not constant, it will slap/tick for a few seconds, and slightly go away for a few seconds and come back. The noise increases when I give it has, goes faster and louder.
I have had other cars that have had valve tick and went for many more years. Could this be a big issue later on in these duratecs. I haven't put the car on the road yet, just wondering what I should do. it sounds much louder on video, almost like a diesel.
 

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2006 ZX3 2.0, 2006 ZX5 2.0, 2004 ZX3 SVT
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Sounds like the swirl flaps. Disconnect the imrc and see if it gets quieter.
 
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