Engine Will Not Start

Ensure steps for spark and fuel testing in BASIC DIAGNOSTIC PROCEDURES article have been performed.

• Test battery.
• Test starter.
• Check for engine being locked up.
• Check for slipped or broken timing belt.
• Check immobilizer system.
• Check ignition system. See IGNITION CHECKS in BASIC DIAGNOSTIC PROCEDURES article.
• Check fuel pressure. See FUEL SYSTEM in BASIC DIAGNOSTIC PROCEDURES article.
• Check fuel pump (PGM-FI) main relay. See PGM-FI MAIN RELAY under FUEL SYSTEM in BASIC DIAGNOSTIC PROCEDURES article.
• Check crankshaft position/cylinder position sensor circuit (3.5RL). See appropriate DIAGNOSTIC TEST in SELF-DIAGNOSTICS - 3.5RL article.
• If MIL light comes on and stays on or never comes on, check MIL circuit. See MIL MALFUNCTION in appropriate SELF-DIAGNOSTICS article.
• Check for contaminated fuel.
• Check engine compression. See MECHANICAL INSPECTION under PRELIMINARY INSPECTION & ADJUSTMENTS in BASIC DIAGNOSTIC PROCEDURES article.