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The idle speed for a 1991 Toyota Land Cruiser with the 4.0 3FE engine should be set at 650+- 50 RPMs. This is adjusted by the screw just above the throttle position sensor on the middle of the intake plenum. I have a 1991 LC and this is where I adjust after the timing is set.

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โˆ™ 2013-04-05 01:27:13
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Q: What is the ideal idle speed or a 1991 Toyota landcruiser?
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