Question about 1986 Ford F 250

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1990 Ford f250 Diesel dies at idle.

Truck will be idling, it will miss a couple of times then die.
After cranking it for 45 second or more it will start to fire then start and run fine for a minute or two. It will then miss and die. If you power the throttle when it starts to miss it will usually stay running.
When it dies it acts just like it ran out of fuel. Both fuel tanks are 3/4 to full.

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Could be bad glow plugs or plug heaters, faulty wiring to the coil, vacuum leak.

Posted on Jan 29, 2009

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