Question about 2000 Lexus LS 400

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Ls400 Throttle Body Plate

Attached pic is LS400 model 2000 throttle body
Can any one tell me how to adjust the plate of the throttle body ?
what are the two screws shown in the picture?
http://img516.imageshack.us/my.php?image=167vaznxq5.jpg

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My car is vibrting and and chek engin light is on

Posted on Apr 11, 2013

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The Jam nut adjusts the throttle plate. Be careful when playing with that cos if you go out of the "range" of the accelerator position sensor the throttle will stop responding

The other (screw) is to set the maximum range of throttle movement (WOT and closed)

Posted on Dec 09, 2008

  • musto_hassan
    musto_hassan Apr 11, 2013

    no sir my car is vibritig and than chek engin light is on

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82169ae.jpg

Fig. TPS location on the throttle body-typical


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