Additional Checks

Check Powertrain Control Module (PCM) grounds for proper location and clean, tight connections.
Inspect Positive Crankcase Ventilation (PCV) valve for correct operation and correct part. See POSITIVE CRANKCASE VENTILATION under EMISSION SYSTEMS & SUB-SYSTEMS in SYSTEM & COMPONENT TESTING - 1.8L VIBE article.
Check the generator for the correct output voltage. See appropriate GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.
Check the vacuum lines and hoses for leaks or incorrect routing
If equipped with an automatic transmission, inspect for correct operation and correct shifting of transmission. Inspect for correct operation and engagement of the Torque Converter Clutch (TCC). See appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.