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Home >> Lexus >> 1997 >> LX 450 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Tests W/O Codes >> Trouble Shooting >> Engine Stalling Problems >> Engine Stalls Soon After Start-Up
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Engine Stalls Soon After Start-Up

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

Ensure proper spark exists from ignition system.

Check EGR system.

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

Check Engine Control Module (ECM) and wiring. Engine Stalls After Accelerator Is Depressed

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

Ensure proper spark exists from ignition system.

Check EGR system.

Check Throttle Position (TP) sensor and wiring.

Check Engine Control Module (ECM) and wiring. Engine Stalls After Accelerator Is Released

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

Check EGR system.

Check Engine Control Module (ECM) and wiring. Engine Stalls During A/C Operation

Check A/C signal circuit to Engine Control Module (ECM).

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

Check Engine Control Module (ECM) and wiring. Engine Stalls When Shifting From Neutral Into Drive (A/T Models)

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

Check park/neutral position switch signal to Engine Control Module (ECM).