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Lexus
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1993
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SC 400
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Repair and Diagnosis
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Engine Performance
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Engine Controls - Tests W/O Codes
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Symptoms
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Engine Stall
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Engine Stall When Shifting From Neutral To Drive
Engine Stall When Shifting From Neutral To Drive
Check neutral start switch signal. See CODE 51 in appropriate TESTS W/CODES article.
Check idle speed control valve circuit.
Check cold start injector system (ES300 & SC400).