Changed all throttle body sensors n the throttle body it self and dont know what wires to look at

Question

Changed all throttle body sensors n the throttle body it self n still have a check engine light do you think the problem is in the wires if so what wires do i look at

Answer 1

P1509 Idle air control valve

The idle air control valve should have coolant going through it, sometimes it just plugges up and rootering the plug may just bring it back to working condition