You have received a PageRank demotion? and you think it is unjustify? Write to Google and you have some change of getting them back. If you are Text Link Ads seller, I would only suggest that you remove your text link before asking for any reconsideration from Google.
What you have to do?
Log into your Google Webmaster Tools, and notice the right hand side “Requst reconsideration”.
Now let me know if you have succesfully get your PR back.
Wow.. i never knew this… there still a second chance for all of them. Not Bad google.
Luckily i just get my PR promotion
…. But I prefer MORE TRAFFIC to my blog instead of PR promotion… 
Any 
?
my other site was demoted from 4 to 2, i do hv lots of sponsored review on it, so i don’t think google will reconsider even if requested
azwan: As what I have read somewhere, if you remove all text link advertisements you will gain back the pagerank. Not tried by me personally.
I have only one text link ads, Google don’t care about PPP posts?
I think post level link is not solely to gain PageRank for advertiser. They do that because they want traffic from the bloggers.
Which i think should be okay for now.
[...] of this month, after my payment (of course ), I request for cancellation from text link ads and request reconsideration through Google Webmasters [...]