1993 Lexus SC 400 engine light and TRAC light

1993 LEXUS SC 400
100,017 MILES • V8 • 2WD • AUTOMATIC
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SETSO
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I just purchased a 1993 Lexus and the engine light comes on. The previous owner says it does that but goes out after about 20 minutes. Is there anything I can do with this problem. I am a heavy duty mechanic. Or do I have to take it and have it diagnosed at the dealership for a hundred bucks.

The TRAC light goes off when the engine starts and then it comes back on. It says TRAC off all the time. Pressing the button does not change the TRAC off.
Sep 23, 2010 at 9:57 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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