LS - 4th Gen (2007-2017) Discussion topics related to the current flagship models LS460, LS460L and LS600H

Wont start occasionally

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Old 10-05-17, 03:17 AM
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GregoryNP
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Default Wont start occasionally

Wont turn over. Will continue to try to start even if stop pushing start button. Does not do this all the time. 1 out of 10

Video
Old 10-05-17, 06:07 AM
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sktn77a
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The fact that it continues to crank after you release the start button suggests a problem there. Toyota has had some issues with the start button. Another culprit could be a bad winding in the starter.
Old 10-06-17, 06:18 PM
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GregoryNP
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Car at Lexus of Orando for a week. Can't duplicate so recommend the mechanic take it for the weekend.
Old 10-07-17, 03:47 PM
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Well the starter and battery seem to be working, I imagine there's a signal that is keeping the computer from allowing spark or fuel...crank sensor? Cam sensors? Something isn't allowing the computer to add fuel or spark.
Old 10-09-17, 03:58 AM
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GregoryNP
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Well, after being there for a week I picked it up and was able to speak to a technician. He noticed in the video I held the start button and I shouldn't have. The start button is designed to be pressed once. Stay tuned.
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