Engine Fails To Crank

*  Check battery, cables, charging system and fusible links.

*  Check ignition switch.

*  Check starter and wiring connections.

*  Check clutch switch (M/T) or park/neutral position switch (A/T).

*  Check starter relay (if equipped).

*  Check theft deterrent system (if equipped). Engine Cranks But Fails To Start

*  Ensure proper spark exists from ignition system.

*  Ensure ignition timing is correct.

*  Ensure fuel system performs properly (fuel pump, fuel filter, fuel injector and fuel pressure regulator).

*  Check engine compression, valve clearance, valve timing and timing belt (if equipped).

*  Check airflow meter or MAP sensor and wiring.

*  Check idle air control valve (if equipped) and wiring.

*  Check circuit opening relay and EFI main relay.

*  Check STA signal at Engine Control Module (ECM).

*  Check Engine Control Module (ECM) and wiring. Engine Difficult To Start Under Normal Conditions

*  Ensure fuel system performs properly (fuel pump, fuel filter, fuel injector and fuel pressure regulator).

*  Ensure proper spark exists from ignition system.

*  Ensure ignition timing is correct.

*  Check STA signal at Engine Control Module (ECM).

*  Check engine compression, valve clearance, valve timing and timing belt (if equipped).

*  Check idle air control valve (if equipped) and wiring.

*  Check EGR system. Engine Difficult To Start Under Cold Conditions

*  Ensure fuel system performs properly (fuel pump, fuel filter, fuel injector and fuel pressure regulator).

*  Check STA signal at Engine Control Module (ECM).

*  Check idle air control valve (if equipped) and wiring. Engine Difficult To Start Under Hot Conditions

*  Ensure fuel system performs properly (fuel pump, fuel filter, fuel injector and fuel pressure regulator).

*  Ensure ignition timing is correct.

*  Check fuel pressure control vacuum switching valve (if equipped) and wiring.

*  Check idle air control valve (if equipped) and wiring.

*  Check STA signal at Engine Control Module (ECM).