PO506 VALVE DUTY LOWER THAN EXPECTED
Optional Information: Make: Ford Model: F150 4.6 V/8 Year: 2006
Hi I will do my best to answer your question fast and accurate using the info you have provided. Thanks for visiting Just Answer.john aka eauto
This code is for a IAC(idle air control) it is intergrated into the throttle body
you can try a good cleaning of the throttle body and a reset
Experience: ase tech over 15 years in the field