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Thread: 85 accord poor fuel economy

  1. #1
    DX User
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    Apr 2017
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    85 accord poor fuel economy

    hi, new here and glad i found a specific forum for this car. I was hoping there might be a common problem or something to check on this.

    i got the accoard a few years ago from an older friend who had owned it most of its life and taken good care of it. its only got 160k and everything is in pretty decent shape.

    its a manual, has good compression, yet it gets 22mpg on the highway, the exhaust smells super rich. i took the carb apart becsuse i had it sitting a while and it wouldnt start, and replaced the emulsion tube? gaskets / o rings, and cleaned all the jets and passages / etc, otherwise it looked fine, its aparently a recently rebuilt carb. ive heard these carburators.can be a problem, but i really dont want to invest in a weber or something like.that for this car. It is a california model btw.

    ive looked.at the vaccum nest somewhat closely and i cant see any obvious leeks. iv

    any suggestions on what i should check yet or what might be the problem?

    thanks allot
    Last edited by josha; 04-18-2017 at 04:33 AM.



  2. #2
    LX User
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    Honda Accord-cowl Inducted, 351 CI Police Interceptor Air Filter with high rise hood
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    Re: 85 accord poor fuel economy

    22 mpg is not too bad.
    I got rid of possible vacuum nest problems by using only vacuum lines that operate the carb.

    I get better mileage by leaving both carb barrels connected.
    Tried using only the back one, but mileage went down.

    If you are in Cali, get out now. Too many laws, too much BS.
    Too little brains in the govt. Cities going bankrupt. Gas taxes going up.
    Cali crushed car from Fast and Furious when it could have been sold,
    and then cali complains about having no money. Just to name a few.
    ---- spring/suspension installation help -mobile alignments -street lowering with your own stock springs...........
    Have a great day! bobfixesitup@yahoo.com 813-839-4281 (24 hrs)

  3. #3

    Dr_Snooz's Avatar
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    1989 Accord LX-i
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    Re: 85 accord poor fuel economy

    I assume you're smelling gas at idle? If so, then you need to adjust the idle mixture screw. Read up in the manual on the proper way to do it, or just use your nose and tweak it till it smells right.
    Dr_Snooz

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


    1989 Honda Accord LX-i Coupe, 208k miles, MT swap, rear disc swap, nuthin' else

  4. #4

    Dr_Snooz's Avatar
    Join Date
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    1989 Accord LX-i
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    Re: 85 accord poor fuel economy

    Incidentally, 22 MPG is about right for those 2G's. They didn't do very well on gas.
    Dr_Snooz

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


    1989 Honda Accord LX-i Coupe, 208k miles, MT swap, rear disc swap, nuthin' else

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