Engine Stalls: Prelude
- Check fuel pressure. See BASIC DIAGNOSTIC PROCEDURES article.
- Check ignition wires, ignition coil and Ignition Control Module (ICM). See BASIC DIAGNOSTIC PROCEDURES article.
- Check Manifold Absolute Pressure (MAP) sensor. See appropriate Diagnostic Trouble Code (DTC) in SELF-DIAGNOSTICS - PRELUDE article.
- Check Idle Air Control Valve (IAC). See appropriate Diagnostic Trouble Code (DTC) in SELF-DIAGNOSTICS - PRELUDE article.
- Check for contaminated fuel.
- Check/adjust idle speed. See ON-VEHICLE ADJUSTMENTS article.
- Check Crankshaft Position (CKP), Top Dead Center (TDC), Cylinder Position (CYP) and/or Crankshaft Speed Fluctuation (CKF) sensors. See appropriate Diagnostic Trouble Code (DTC) in SELF-DIAGNOSTICS - PRELUDE article.
- Check brake switch signal. See SYSTEM & COMPONENT TESTING article.