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

Engine idle too high

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Old 12-19-02, 01:35 PM
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healerhand
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Default Engine idle too high

Hello All,

Anyone know what is the reason that my car is idling at around 1600 rpm. I took the turbo tubes out and the car still idle at around 1600 rpm. Anyone know why? I changed my throttle body last night hoping it will help, but its not the TB. What could it be? ECU?. For no appearence reason, it just happened few days ago.
Old 12-20-02, 01:48 AM
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LOTC
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Default Re: Engine idle too high

Originally posted by healerhand
Hello All,

Anyone know what is the reason that my car is idling at around 1600 rpm. I took the turbo tubes out and the car still idle at around 1600 rpm. Anyone know why? I changed my throttle body last night hoping it will help, but its not the TB. What could it be? ECU?. For no appearence reason, it just happened few days ago.
Try resting the ECU and see what happens. Also check all the tubing and valves to see if any of them have come loose.
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