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van starts, runs about 60seconds and dies, will restart, but wont keep running

Vehicle: 1999 Ford E-150 6 cyl.

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P0300 Random misfire

Random misfire can be from anything from a vacuum leak that causes a rough idle such as the PCV hose being ruptured to a low idle condition . To sparkplugs secondary seeking ground.With a random misfire you do not have full engine cylinder contribution

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