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Thread: 1986 Honda accord LXI code 6

  1. #1
    DX User
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    1986 Honda accord LXI code 6

    I bought this thing for a 100 bucks under 150k been sitting 4-5yrs put new gas in it with injector cleaner and a new battery she starts right up but at idle will jump rpm’s above 2k I thought it was a vaccum leak in the master cylinder cause the breaks kept getting air in em replaced it and it stopped for a lil and came back after idling for a while I have videos of the code 6 flashing and video of it idling I have no idea how to attach it
    Any help appreciated tryna get this car together so my friend can have some transportation



  2. #2

    conozo's Avatar
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    Re: 1986 Honda accord LXI code 6

    Code 6 is a problem with the coolant temperature sensor. That's one of the sensors located in the thermostat housing and it's probably got a corded plug. Unplug it and clean the contacts.

    When it's not working it causes high idle.

    1988 Honda Accord LSDX-I

  3. #3
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    Re: 1986 Honda accord LXI code 6

    Donít know how to add a picture but hereís a link to a post which one is it? The yellow one has corrosion in it have not taken off the one on the left
    https://www.3geez.com/forum/showthre...29-Where-is-it
    Last edited by SamKCMO; 12-23-2023 at 12:11 PM.

  4. #4


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    Re: 1986 Honda accord LXI code 6

    Quote Originally Posted by SamKCMO View Post
    Donít know how to add a picture but hereís a link to a post which one is it? The yellow one has corrosion in it have not taken off the one on the left
    https://www.3geez.com/forum/showthre...29-Where-is-it
    https://www.3geez.com/forum/showthre...-Clarification
    1988 Lxi owner since August 1995
    336k miles running strong!
    Now running E85.

    Oldblueaccord <<< MY YOUTUBE PAGE!

  5. #5


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    Re: 1986 Honda accord LXI code 6

    I also wanted to add if yours is a 1986 the fuel injection models were a little different as later models, as far sensors and such so keep that in mind.
    1988 Lxi owner since August 1995
    336k miles running strong!
    Now running E85.

    Oldblueaccord <<< MY YOUTUBE PAGE!

  6. #6
    DX User
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    Re: 1986 Honda accord LXI code 6

    Quote Originally Posted by Oldblueaccord View Post
    I also wanted to add if yours is a 1986 the fuel injection models were a little different as later models, as far sensors and such so keep that in mind.
    It is a fuel injected 4 door LXI hereís a video of the idle https://youtube.com/shorts/kbfqZ053X...8HvD_-qPGHhHdx
    Last edited by SamKCMO; 01-05-2024 at 08:21 AM.

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