Throttle Body: Cleaning
WARNING: This page is about a different car, the 1994 Mitsubishi 3000GT and 1994 Dodge Stealth. However, it is still accessible from the selected car via links, so may be relevant.
Clean all parts except throttle position sensor, idle speed control motor and idle position switch in solvent. Check vacuum port and passage for clogging. Clean vacuum, vapor and fuel passages using compressed air.