Symptom Checks

Check the following items:

• Check air intake system. Also, ensure throttle plate and linkages operate properly.
• Check EGR system. See SYSTEM/COMPONENT TESTS - 2.0L article.
• Ensure Idle Air Control (IAC) solenoid controls idle speed. If IAC solenoid does not control idle speed, check IAC valve assembly. See CIRCUIT TEST KE in TESTS W/CODES - 2.0L article.
• Check PCV system. See CIRCUIT TEST HG in TESTS W/CODES - 2.0L article.
• Check PCV system. See CIRCUIT TEST HG in TESTS W/CODES - 2.0L article.
• Check ignition system. See CIRCUIT TEST JG in TESTS W/CODES - 2.0L article.
• Check fuel delivery system. See CIRCUIT TEST HC in TESTS W/CODES - 2.0L article.
• Check Evaporative Emission (EVAP) system. See CIRCUIT TEST HV in TESTS W/CODES - 2.0L article.
• Check exhaust system for restriction. See step 7) of CIRCUIT TEST HF in TESTS W/CODES - 2.0L article.
• Ensure transmission is functioning properly. If engine stalls during transmission engagement, check transmission solenoids. See TRANSMISSION SERVICING - A/T (2.0L) article in the AUTOMATIC TRANS SERVICE section.
• Check engine compression. Check engine mechanical condition. Check valve timing.