[Mgs] Cruise control!!!

[gordies garage]

Mostly familiar with HS4, but do you have a choke cam that could be stuck?

Gordie

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From: "Monte Jane Morris" <montejane at gmail.com>
Sent: Saturday, April 12, 2014 10:05 PM
To: "MG list" <mgs at autox.team.net>
Subject: [Mgs] Cruise control!!!

> Damnedest thing happened to me yesterday. 20 miles into a drive, I noticed
> that I wasn't decelerating when letting off the accelerator going down
> hills. I was "idling" at 3000 rpm (60 mph) like I had cruise control.
> Coming into a town, I had to use neutral, the handbrake, and turn the
> ignition switch on and off to get into a parking lot. Checked the throttle
> cable and it seemed OK; a small amount of play and still cinched OK (the
> cinch cable nut had NOT slipped) at the carb end and the accelerator pedal
> on the other. The throttle spindle was rotated to where it should be at
> idle, but still idling at 3000 rpm.
>
> I drove it back home 30 miles (the last 5 on gravel with many 90 degree
> turns, yipps!) with creative use of the ignition, neutral, and handbrake
> once again. Coasted into the garage bay.
>
> This is the first time this has ever happened to me in 3 MGBs over many
> years of driving. I'm sure the main cause was that I was bragging to a
> friend ONLY THE DAY BEFORE,  that it had become a very dependable car 
> after
> getting rid of the electronic ignition many years ago:).
>
> Suggestions as to where I start to look?
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