1999 Lexus LS400 Questions

Unanswered 1999 Lexus LS400 Questions

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each time i replace same plugs they still don't fire, what can i do?, tried daignosing engine but could not connect to daignosing equiopment.
I asked the dealer and they said they do not have a source for a replacement screen and do not fix these. Any thoughts or resources I could use to track down a replacement screen for this car? It has 60K original mi...
When I near the end of a 300-350 mile drive the air stops blowing, not hot just stops blowing. After it sits several hours it is ok again. Never a problem with normal day to day driving.
It starts when turned on. tarter recently replaced
do you have a picture of where the pcv valve is located. we are trying to change it to pass emissions