Cutting Off

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Jan 11, 2008 | 03:11 PM

TeamAL

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New User

Joined: Jan 2008

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Cutting Off

I have an 87 F150 that has recently started to just cut off. If I drive it for more than about 15 miles it will just die. If I let it sit for about half an hour it will run again for another 15 miles. Any ideas why? I have been it might have something to do with the coil.
Thanks for any help.

Jan 11, 2008 | 03:31 PM

chrisf250-460

Senior User

Joined: Nov 2007

Posts: 175

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welcome to FTE.without knowing what engine size or possible codes,i have been reading on here alot about the ignition module getting hot,then when it cools it will restart.

Jan 11, 2008 | 03:37 PM

Skandocious

Postmaster

Joined: Oct 2006

Posts: 4,816

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From: Davis & Newcastle, CA

Yep, the ignition coils can sometimes do this when they're on their way out. They'll heat up and malfunction then cool off and run correctly again 'til they get hot. First thing is to get those codes pulled.

Welcome to the site brother

Jan 14, 2008 | 10:20 PM

Old_Paint

Elder User

Joined: Jun 2006

Posts: 805

Likes: 3

87 model would have the dizzy mounted TFI, wouldn't it? Those were most prone to the heating problem, simply because of location. Moving to massive heatsinks on the fender helped, but didn't eliminate the problem, apparently. Albeit, I'm still running on the original in my '92.