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by scot850
10 Jan 2026, 17:25
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Re: Flummonxed: why does my 93 850 stall when warmed up?

How cold is it currently? Does it do this all year around or only when it is really cold? If it is only when it is cold it could be moisture in the distributor and worn distributor cap and rotor arm. It could be the throttle body is freezing. Not common on NA engines if the warm air ducting is in pl...
by erikv11
11 Jan 2026, 12:45
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Re: Flummonxed: why does my 93 850 stall when warmed up?

I had an NA 850 with a worn cap/rotor pair that was fine until the car got hot. Heat soaked the distributor, car would stall out then not restart until it cooled.

I'd also check cam seal behind the rotor, make sure it is seated. Blown cam seal would bring moisture into consideration.
by erikv11
11 Jan 2026, 22:17
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Re: Flummonxed: why does my 93 850 stall when warmed up?

Couldn't find it either! I thought I had posted about it when I finally discovered how worn the cap and rotor were. The car was on loaner, to the guy I eventually sold it to. So a lot of it was him telling me what happened. When it stalled, it wouldn't re-start until you let it cool down. After the ...
by abscate
12 Jan 2026, 03:41
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Re: Flummonxed: why does my 93 850 stall when warmed up?

Couldn't find it either! I thought I had posted about it when I finally discovered how worn the cap and rotor were. The car was on loaner, to the guy I eventually sold it to. So a lot of it was him telling me what happened. When it stalled, it wouldn't re-start until you let it cool down. After the...
by abscate
13 Jan 2026, 03:09
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Re: Flummonxed: why does my 93 850 stall when warmed up?

The cap is not sealed and Any moisture inside will steal spark to ground. Another source of moisture can be blow by from the end cam seal working its way into the cap. Time to have it off and show us the ugly, corroded terminals inside