BoyBlu70 Posted August 12, 2005 Posted August 12, 2005 When I start my 1990 LS400 it runs but will not idle at all prior to this happening I notice that it had a low idle at about 100 to 200 rpm and when I was coming home one day I stopped at a stop light and the idle dropped and then the car started cutting off, anyone got a clue the tps has been replaced and the Idle positioning sensor was to and still no idle. Help please
BoyBlu70 Posted August 15, 2005 Author Posted August 15, 2005 might be the iac valve(idle air control) ← I've replaced that and still have no idle.
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