kam wrote:
> "Physics Boy Wonder" <PhysicsBoyWonder@gmail.com> wrote in
> news:1147324133.342725.111130@q12g2000cwa.googlegr oups.com:
>
>
>>I am trying to fix up an 86 Honda Accord DX that I just recently
>>bought. It idles really badly and I don't know what the problem might
>>be. When I stop the RPM bounces from 1,300 to 200. It also frequently
>>dies in the process of fluctuation. As a result I have to throw the car
>>in neutral when ever I come to a stop and keep the engine revving at
>>about 1,500 RPMs. Do you have any ideas of what the problem could be?
>>
>
>
> I once had this problem in a 90 accord. I found that the fuel pump was
> defective and there was a vacuum leak. After about 500 miles the engine
> blew and the car was scrapped. Never got to pinpoint the exact cause, but
> my accord also had stalled/studdered revs at random times during
> acceleration (kinda sounded like a machine gun, on/off rapidly). My first
> thoughts were fuel injectors and oxygen sensor. Replacing these did
> nothing. I never got to repair the fuel pump or vacuum leak.

An 86 is more likely to be carb'd, so the fuel pump isn't as much of an issue,
but I'd definitely suspect a vacuum leak from this description.