Engine Stalls
- Check fuel pressure. See BASIC TESTING article.
- Check ignition wires, ignition coil and Ignition Control Module (ICM). See BASIC TESTING article.
- Check/adjust idle speed. See ADJUSTMENTS article.
- Check brake switch signal. See SYSTEM/COMPONENT TESTS article.
- Trouble shoot brake switch signal circuit. See SYSTEM/COMPONENT TESTS article.
- Check idle speed adjustment.
- Check Idle Air Control Valve (IAC). See Diagnostic Trouble Code (DTC) in TESTS W/CODES - INTRODUCTION article.
- Check Manifold Absolute Pressure (MAP) sensor. See Diagnostic Trouble Code (DTC) in TESTS W/CODES - INTRODUCTION article.
- Check Crankshaft Position (CKP), Top Dead Center (TDC), Cylinder Position (CYP) and/or Crankshaft Speed Fluctuation (CKF) sensors. See Diagnostic Trouble Code (DTC) in TESTS W/CODES - INTRODUCTION article.
- Check for contaminated fuel.
- Check for intake system air leaks.