Engine Controls - Tests W/O Codes 3.0L: Symptoms: Surges
NOTE:
For CIRCUIT TESTS and QUICK TEST referenced in this article, see the TESTS W/CODES
article.
- Check for vacuum leaks.
- Check ignition system. See CIRCUIT TEST JB.
- Check idle air control systems. See CIRCUIT TEST HU.
- Check fuel delivery system. See CIRCUIT TEST HC.
- Check EGR system. See CIRCUIT TEST HE.
- Check EVAP system. See CIRCUIT TEST HV.