What does diagnostic trouble code P1582 mean and how to fix it in a vw passatgls 1996?

17990/P1582/005506 - Idle Adaptation Limit ReachedPossible Solutions

• Check Fuel Pressure
• Check Intake System for Leaks (False Air)
• Check Fuel Injector(s)
• Check Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
• Check Exhaust System for Leaks
• Check Secondary Air Injection (AIR) for Leaks
• Check Vacuum Lines for Leaks
• Check Throttle Body

• It may be necessary to remove and clean the Throttle Body and perform a Throttle Body Alignment (TBA)
• When this fault is stored in the early VW models with the 2.8L VR6 (AAA) and the 2.0L (ABA), it may be necessary to drive the vehicle for a few days for the idle to return to normal after removing and cleaning the Throttle Body.