collapsed or stuck "lifter" ?

[kingcoy]

i have a 05 GT had someone put sugar in tank ... had to flush complete fuel system, replace injectors.. have now what seems to be a collapsed or stuck lifter on cyl. #7 .. im not to familiar with ford or this process to determine exactly what issue is.. please help with any info..

 

[nickyb]

I'll start by saying Never have someone put sugar in your tank!
The sweet gasoline should not collapse a lifter, so maybe they sweetened up your oil too.
Change your oil, add new oil with some marvel mystery oil and run it , then change your oil again.
This should unstuck your lifter.