[1][3] Wu contested the Sanmin District seat on the Kaohsiung City Council during the 2002 municipal elections, representing the Taiwan Solidarity Union.

[5] In November 2003, legislator Chiu Yi accused Chang Hsia [zh], Shieh Jhy-wey, Lin Kuei-you [zh], and Wu of writing for Special Report,[6] a series ridiculing active politicians produced by Bi-sheng Broadcasting.

[10] While in office, Wu Chin-fa spoke at several domestic cultural commemoration events, among them the 2004 Joint Outdoor Puppet Performance and Contest for Promising Young Leading Performers,[11] for the Tsou leader Uyongu Yata'uyungana [zh] and Puyuma musician BaLiwakes [zh],[12][13] and at the Green Island Human Rights Arts Festival in 2008.

[15][16][17] He worked to preserve Losheng Sanatorium,[18][19] and founded culture.tw, an English language web portal financed by the Council for Cultural Affairs and operated by the Central News Agency.

[24] As cultural director, Wu visited sites in Pingtung dating back to Taiwan's Qing and Japanese eras.