LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Part Identfication

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Old 08-29-12 | 01:31 PM
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Default Part Identfication


Can someone tell me what that part is. My mechanic marked it being needed to replace but he doesn't speak very good english and well.. you know how that goes.
Old 08-29-12 | 01:35 PM
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Its the one marked in Red
Old 08-29-12 | 01:58 PM
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It is your TRAC motor. It is for early model traction control. It essentially is part of the throttle body, and is basically a motor that operates the first flap to slow air down/restrict air flow into the engine, thus limiting power and giving you traction control.... kind of indirectly, but it's essentially how Toyota has done it for a long time until they started pulsing the brakes too.
Old 08-29-12 | 11:06 PM
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Thanks 3uzfte. So would I have to purchase the entire throttle body ornjustbthat one part?
Old 09-01-12 | 07:08 AM
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I've never heard of one failing, what are the symptoms? Any CEL codes?
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