Emmanuel Ugwuka put the home team ahead in the 28th minute, while former Rivers United forward Guy Keumian got the second eight minutes from time.
Keumian then set up Bello Lukman for his side’s third goal of the evening in the 87th minute.
Abia Warriors are now unbeaten in their last 10 home games in the NPFL.
In Uyo, Akwa United ended Lobi Stars eight game unbeaten run after a 1-0 win.
Akarandut Orok scored the decisive goal six minutes after the break.
Rivers United recorded the only away win of the day edging out Adamawa United 2-0 at the Pantami Stadium.
Junior Osaghae and Malachi Ohawume got the goals for the visitors.
At the Akure Sports Complex, Dakada FC extended their unbeaten away run to six games after they were held to a 1-1 draw by Sunshine Stars.
Femi Ajayi gave the hosts the lead three minutes before the break, while Fuad Ekelojuoti equalised deep into stoppage time.
Samuel Kalu netted the decisive goal as FC IfeanyiUbah defeated Heartland 1-0 in their oriental derby clash
Warri Wolves recorded a 2-1 home win against Kwara United at the Warri City Stadium.
Sunday Williams and Efe Yarhere were on target for Wolves in the game, while Alao Danbani scored for the visitors.
MATCHDAY 11 RESULTS
FC Ifeanyiubah 1-0 Heartland
Wolves 2-1 Kwara Utd
Abia Warriors 3-0 Plateau Utd
Katsina Utd 3-2 Jigawa GS
Akwa Utd 1-0 Lobi
Sunshine Stars 1-1 Dakkada
Adamawa Utd 0-2 Rivers Utd
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