LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

high idle

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Old 02-23-18, 09:06 AM
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zigman
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Default high idle

just bought 94 ls400. has high idle, hesitation l, when ya press gas fast can hear like hiss. and when ya take gas cap off you can hear and feel the pressure come out. no lights on.
Old 02-24-18, 06:26 PM
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dicer
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Idle problems most always the idle air control motor bearings going bad.
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