Listers,
Problem solved and thanks to all who offered advice. Seems there is a
bracket under this particular carb that the throttle cable got hooked
onto and caused the throttle to race on a high idle. Kudos to those
who called it. Once that was detected and idle reset to 800rpm, car
running just fine as it was before the hang-up. Something simple that
was overlooked first time through. Many thanks,
Dave
On Apr 19, 2010, at 3:52 AM, Paul Hunt wrote:
> The usual things like cable hanging up, butterfly sticking open.
> People often say 'vacuum leak' but whilst that *will* cause a higher
> idle for a given butterfly opening, the idle screw should always be
> able to slow the idle down to a stall even with a vacuum leak, 'cos
> the engine can't run on air alone. The only time that won't be the
> case is if there is an alternative path past the *closed* butterfly,
> which could happen if the butterfly spindle and bushings are very
> worn.
>
> PaulH.
>
> ----- Original Message -----
>> Friend has been having some probs. lately with her MGA. Latest came
>> overnite when she started it up. It idles up to about 3000 rpm and
>> wouldn't come down preventing her from driving it to a car show.
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