how to reset the timing marks on lexus ls400 to factory

Asked by Jul 13, 2012 at 05:59 AM about the 1997 Lexus LS 400 RWD

Question type: Car Customization

1 Answer


If I remember correct there is a place in the fuse panel you use a jumper wire to disable the computer engine timing. Then you set the base timing on "0", after that you remove the jumper wire and the computer will adjust your timing. I suggest you purchase a shop manual from the local parts house to be sure.

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