Ticking Noise From Engine on Lincoln Mark LT

A ticking noise may be noted from the engine caused by one or more stuck or collapsed valve lash adjusters. The repair involves inspecting and replacing lash adjusters as necessary.

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Average mileage: 100,818 (45,000–187,000)
Engine affected: 6 Cylinder
2 model years affected: 2006, 2007
13 people reported this problem
4 people shared problem details
2006 Lincoln Mark LT- 6 Cylinder60,000
klacking noise .... truck sounds like a diesel
2006 Lincoln Mark LT- 6 Cylinder187,000
My truck started a ticking sound months ago but I took it to a place and they told me that I have to replace the whole engine. I try to look for an engine but they are ridiculously expensive and with lots of miles. Now the truck turned the engine light and its losing power.
I have the same clicking problem. I was told by the dealer that there is no fix but not hurting the engine (do not believe). I was told by an owner of a Lincoln Navigator that had the same problem and told the same thing b Ford but went to another service center and they fixed it by replacing the 7 and 8 plug. No more ticking. I think I need to try this.
5.4L engine has ticking sound and has gotten very louder lately. Now truck has started loosing power and idle at slower than normal RPM. Now yet can get it repaired under warrant or even get the dealer to acknowledge there's a problem.
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