Interesting Cold Weather Issue

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Interesting Cold Weather Issue

fords4life
Was -1*F when I left the house this morning.  Truck would fire, but not stay running.  Tried that a few times and then gave her a little skinny pedal and she idled.  Not too worried about it, she's 32 years old and it was friggin cold outside.  On the drive though, it seemed like the throttle was sticking whenever I would let off the throttle to shift.  When I let off, the rpms(by sound as I have no tach) would hold until I started to release the clutch and the rpms would drop to match the current gear selection.  Even in gear a couple of times I'd let off the throttle and she would hold RPM and speed or very very very slowly drop off unless I hit the break.

Any thoughts?  
1986 F-150 SC 2wd 4spd 302EFI Base Model all OEM motor/trans/emissions equipment.
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Re: Interesting Cold Weather Issue

1986F150Six
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Possibly sounds like carburetor icing. What is curious is that this usually happens at a little higher temperatures since their is less moisture at lower temperatures [-1F]. Do you have heat going to the air cleaner snorkel?
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Re: Interesting Cold Weather Issue

fords4life
Doh....forgot I need to update my signature.  It is EFI.
1986 F-150 SC 2wd 4spd 302EFI Base Model all OEM motor/trans/emissions equipment.
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Re: Interesting Cold Weather Issue

Ford F834
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In reply to this post by fords4life
Moisture frozen in the cable housing???
SHORT BED 4-DOOR DIESEL: 1986 F350 4x4 under construction-- 7.3 IDIT ZF5+GVOD

STRAIGHT SIX 4X4: 1981 F150 2wd to 4x4-- 300 I6 close ratio diesel T19, hydroboost brakes, Saginaw steering

BIG F: 1995 F-Superduty under construction— converting to 6.9L IDI diesel ZF5+DNE2
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Re: Interesting Cold Weather Issue

fords4life
Something along those lines was the only thing I could think of this morning....
1986 F-150 SC 2wd 4spd 302EFI Base Model all OEM motor/trans/emissions equipment.