Diesel Engines
WARNING: This page does not describe the selected car, but rather 20 other vehicles, including the 2002 Mercury Villager, 2002 Mercury Mountaineer, 2002 Lincoln Navigator, 2002 Lincoln Blackwood, and 2002 Ford Windstar. However, it is still accessible from the selected car via links, so may be relevant.
Idle speed adjustment is controlled through Injector Driver Module (IDM) interface with the Powertrain Control Module (PCM) and no adjustment is possible. If system is not operating properly, complete a thorough basic inspection and self-test to confirm correct operation of sub-system contribution to injector timing. See SELF-DIAGNOSTICS - EEC-V - DIESEL article.