Rough Or Rolling Idle, Stalls, Misses, Hesitation Or Surge

WARNING: This page is about a different car, the 2002 Mercury Villager. However, it is still accessible from the selected car via links, so may be relevant.

Check fuel delivery system. See TEST HC: FUEL DELIVERY SYSTEM under SYSTEM TESTS in SELF-DIAGNOSTICS - VILLAGER article.
Check ignition system. See TEST JB: IGNITION MISFIRE UNDER LOAD under SYSTEM TESTS in SELF-DIAGNOSTICS - VILLAGER article.
Check idle air control system. See TEST KE: IDLE AIR CONTROL SYSTEM under SYSTEM TESTS in SELF-DIAGNOSTICS - VILLAGER article.
Check PCV system. See TEST HG: POSITIVE CRANKCASE VENTILATION SYSTEM under SYSTEM TESTS in SELF-DIAGNOSTICS - VILLAGER article.
Check automatic transaxle operation. See AUTOMATIC TRANSAXLE/TRANSMISSION article in AUTOMATIC TRANSMISSIONS.
Check EVAP system. See TEST HX: EVAPORATIVE EMISSION SYSTEM under SYSTEM TESTS in SELF-DIAGNOSTICS - VILLAGER article or EVAPORATIVE EMISSION SYSTEM TESTS in SYSTEM & COMPONENT TESTING - VILLAGER article.
Check engine mechanical condition. Check compression, camshaft, valve train components, etc. Repair as necessary. See appropriate article in ENGINES.
Check intake air system. See TEST HU: AIR INTAKE & THROTTLE BODY under SYSTEM TESTS in SELF-DIAGNOSTICS - VILLAGER article.
Check engine for vacuum leaks.
Check charging system. See GENERATORS & REGULATORS - VILLAGER article.
Check A/C system for surge with A/C on and for A/C compressor clutch cycling.