2004 F150 4.6. If you get P0506 after the battery was disconnected, how do you solve the problem.

Question

2004 F150 4.6. If you get P0506 after the battery was disconnected and reconnected, how do you solve the problem?

Answer 1

P0506 Idle air control system lower than expected

Reason for DTC, disconnection of battery, reset of KAM (keep alive memory), throttle body assembly

Related TSB: 12-7-4 Engine idle RPM flucutation -Hard start.

When the battery is disconnected the long term fuel trim is reset, and the ECM goes to a relearn, This is a common code for Ford, to solve the problem is to perform a throttle body cleaning, Doing this and having this happen,will be a hobby.