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Hunting idle when cold 200 1984

posted by  Steve M. on  Wed Dec 28 06:28 CST 2005
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last visit: Wed Feb 23 21:05 CST 2011
[RELATED]

My 240 has an odd habit:

Start it up and it idles fine, about 800 rpm. As soon as I touch the accelerator and drive, the idle starts fluctuating fairly fast. It usually dies once or twice, unless I use the accelerator to keep it alive. After a few minutes of driving, the idle calms down. Still hunts a little, but nothing dramatic.

Cleaning the throttle body hasn't cured it, though it does help.

I wonder whether the fuel injector O-rings are allowing vacuum leaks, but then warm up enough to expand. Or is there some sensor that would go bad and cause these episodes?

All insight gratefully accepted.

Steve M.
Raleigh, NC

84 240
73 145 (hors de combat)






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New Hunting idle when cold [200][1984]
posted by  Steve M.  on Wed Dec 28 06:28 CST 2005 >


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