idle speed control valve fault code?
 

hey guys after i had my CEL light come on i ran diagnostics and found it to be p0519 idle air control malfunction.

The car was left (without a power source) for a few weeks, before the problem started.

It is running a full decat system and has been remaped.

Could the long amount of time without power have lost the new map?
Has anyone had this before?
I am at a loss at the moment, as i dont want to just clear the fault code and carry on driving without fully fixing the cause.

:brickwall:brickwall:brickwall:brickwall:brickwall :brickwall:brickwall:brickwall:brickwall

Anyone??