Had the same problem with my 89 Accord. I was getting ready to overhaul the
carb when I found a bad vacuum line to the choke puller. Once I replaced
this short piece of vacuum line the idle ran much better. Look over all your
vacuum lines to your carb and make sure none are damaged. Good luck.
"ketab" <ketaber@rogers.com> wrote in message
news

OaRc.1538345$Ar.1269802@twister01.bloor.is.n et.cable.rogers.com...
> Hi,
> I have a Honda Accord 1987 LX Auto Sedan.
> when car runs on idle, or at traffic light the RPM goes below 400,
> and i have to change the gear to N till I start accelerating again.
> i took it to some mechanics, one said it is my fuel pump, the other one
said
> it is my carb, and some other ideas...
> at this point i am confused and could someone tell me what is exact
problem
> please?
> any help would be appreciated.
>
>
>