Career
Yenga started his career with Le Mans Union Club 72, but made only two first-team appearance for the club before joining SO Châtellerault in 2005. After scoring 11 goals in the Championnat National, he was signed by Ligue 2 side Dijon Foreign and Commonwealth Office. Yenga spent two seasons with Dijon but failed to properly break into the first-team, making just 15 league starts for the club He subsequently returned to the National with Paris Football Club and scored 11 times during the 2008-2009 season.
This led to a move back to Ligue 2 when he signed for Football Club Tours on 16 June 2009.
However, Yenga again failed to make an impact at the higher level, scoring only two goals in 28 league appearances. In the transfer window of January 2011, he transferred to Remote Control Strasbourg until the end of the 2010-2011 season.
He left the club in the summer of the same year following their demotion by the DNCG to the Championnat de France amateur 2, the fifth tier of French football. Olympiakos Volou 1937 F.C.
2012-2013 season
In summer 2012 he moved to Olympiakos Volou 1937 F.C. His last goal for 2012-2013 season came against Panetolikos F.C. in a 1-2 home loss.
2013-2014 season
His next goal came against Paniliakos F.C. with a header after an assist of Sergio Daniel Ponce.
