High idle
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Driver School Candidate
Joined: Feb 2018
Posts: 12
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From: Delaware
High idle
Well, my high idle still isn’t fixed. Throttle body is fairly clean and I just replaced the gasket in the IACV but couldn’t tell if it was bad or not. Any help? Tired of firing the parts cannon at the car.
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Joined: Aug 2015
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From: Florida
Thread Starter
Driver School Candidate
Joined: Feb 2018
Posts: 12
Likes: 0
From: Delaware
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Joined: Aug 2015
Posts: 523
Likes: 54
From: Florida
you should put your vehicle info in your profile so we can better assist you.
You should do a google search for the code you are experiencing (code 47) , or something along the lines of LS400 bad TPS . Or you can use the search function on this site, which it doesn't appear you used lol.
i am experienced with 98-00 LS400's , not sure what year yours is? Sounds like an OBD1 vehicle with the code you mentioned. You should be able to search and find the location of your TPS.
That could most definitely be your issue, if your TPS is faulty or out of adjustment, etc, could affect your idle and driveability.
on my 98 & 99 the TPS is on the driver side of the engine, to the right of the throttle body, tucked under the electronic throttle motor.
I guess you could try unplugging the TPS with the car running and see if you notice a difference.
Also unplugging the negative battery terminal for 15 minutes is a free and quick method you could try, to see if that cures your issue, before throwing money at it.
You should do a google search for the code you are experiencing (code 47) , or something along the lines of LS400 bad TPS . Or you can use the search function on this site, which it doesn't appear you used lol.
i am experienced with 98-00 LS400's , not sure what year yours is? Sounds like an OBD1 vehicle with the code you mentioned. You should be able to search and find the location of your TPS.
That could most definitely be your issue, if your TPS is faulty or out of adjustment, etc, could affect your idle and driveability.
on my 98 & 99 the TPS is on the driver side of the engine, to the right of the throttle body, tucked under the electronic throttle motor.
I guess you could try unplugging the TPS with the car running and see if you notice a difference.
Also unplugging the negative battery terminal for 15 minutes is a free and quick method you could try, to see if that cures your issue, before throwing money at it.
Last edited by Scraape; Mar 5, 2018 at 11:40 AM.
Thread Starter
Driver School Candidate
Joined: Feb 2018
Posts: 12
Likes: 0
From: Delaware
you should put your vehicle info in your profile so we can better assist you.
You should do a google search for the code you are experiencing , or something along the lines of LS400 bad TPS . Or you can use the search function on this site, which it doesn't appear you used lol.
i am experienced with 98-00 LS400's , not sure what year yours is? You should be able to search and find the location of your TPS.
That could most definitely be your issue, if your TPS is faulty or out of adjustment, etc, could affect your idle and driveability.
on my 98 & 99 the TPS is on the driver side of the engine, to the right of the throttle body, tucked under the electronic throttle motor
You should do a google search for the code you are experiencing , or something along the lines of LS400 bad TPS . Or you can use the search function on this site, which it doesn't appear you used lol.
i am experienced with 98-00 LS400's , not sure what year yours is? You should be able to search and find the location of your TPS.
That could most definitely be your issue, if your TPS is faulty or out of adjustment, etc, could affect your idle and driveability.
on my 98 & 99 the TPS is on the driver side of the engine, to the right of the throttle body, tucked under the electronic throttle motor
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Joined: Aug 2015
Posts: 523
Likes: 54
From: Florida
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