"You may also have a failing ecu coolant temp sensor"


If I do have this part failing, is it serviceable?


1989 Raider 3.0 5 speed 225K Possible rebuild about 30k ago, no proof.
Dual Bouncy seats, HL washers. New Mud King 235's on 15x7 Crager soft 8's. Dark tint. Superwinch hubs. Herculined Interior.