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Thread: 1988 Honda Accord LX high idle

  1. #1
    DX User
    Join Date
    Nov 2021
    Vehicle
    1988 Honda Accord LX
    Posts
    4

    1988 Honda Accord LX high idle

    Hey guys I had this problem with my 88 and was wondering if you guys would know what's wrong. When I start the car up, it idles high which is no problem what so ever. However, the idle stays at about 1500 and doesn't drop. When I put it into drive or reverse, it drops to normal idle speed. When I put it back into park, the idle rises again to 1500. Do you guys know what's wrong or could it be something to do with a butterfly valve/bad carb. The carb was replaced less than 1,000 miles ago though. Thank you guys so much.



  2. #2


    Join Date
    Nov 2004
    Vehicle
    88 LXi
    Location
    Knoxville TN
    Posts
    5,205

    Re: 1988 Honda Accord LX high idle

    https://www.3geez.com/forum/showthre...Black-Box-info

    id read thru this thread. I under stand its a little wordy but it has some meaningful info on it. I would also follow the manual which can be downloaded here.

    The idle can be turned down but I suspect its turned up because the car was stalling.

    Since the carb was put on less than 1000 miles I would at some installation mistakes like a vacuum leak or the throttle linkage is set too tight.
    1988 Lxi owner since August 1995
    336k miles running strong!
    Now running E85.

    Oldblueaccord <<< MY YOUTUBE PAGE!

  3. #3

    Dr_Snooz's Avatar
    Join Date
    Jun 2007
    Vehicle
    1989 Accord LX-i
    Location
    Fresno, California
    Posts
    10,638

    Re: 1988 Honda Accord LX high idle

    Check for vacuum leaks.
    Dr_Snooz

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 240k miles, MT swap, rear disc swap

    Shop manual downloads available here: CLICK TO VIEW

  4. #4
    DX User
    Join Date
    Nov 2021
    Vehicle
    1988 Honda Accord LX
    Posts
    4

    Re: 1988 Honda Accord LX high idle

    Thank you! This will definitely help.

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