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Cold running problem

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Rinaldi J. Montessi

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Apr 10, 2020, 11:33:30 PM4/10/20
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1979 F100 Ranger 5.8M AT 2WD

Will not run cold. Starts no problem. Let it warm up and drives away.
Probably 5 minutes. Don't wait? Immediately stalls when put in gear.

Any ideas?

New carburetor, choke fast idle properly set, timing on the money, stumped.

Suspected vacuum leak but still happens with all lines plugged. Vacuum
gauge shows about 30.

Thanks!
--
Critic, n.:
A person who boasts himself hard to please because nobody tries
to please him.
-- Ambrose Bierce, "The Devil's Dictionary"

Sam Stone

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Apr 11, 2020, 3:31:05 PM4/11/20
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Automatic Transmission? C6? Vacuum--- Investigate the C6 Vacuum Modulator and its Line. Regards Sam

Rinaldi J. Montessi

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Apr 11, 2020, 5:07:25 PM4/11/20
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I've read over the troubleshooting tips on the modulator and none of the
described conditions exist; shifts properly, no smoke, etc.

Thanks for the response.

rinaldi
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