5.4 engine shutter

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Jun 25, 2012 | 12:12 PM

ty_webb

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5.4 engine shutter

i have a 1999 F-150 2x4 witha 5.4 liter v-8 with 151,000 miles. Last week the truck began to run rough when i accelerated (ideled fine)and felt like it wasn't fireing on all cylinders and was puffing white smoke. A few minutes later the battery light came on and the truck lost all power and shut off. I replaced the battery and alternator and everything ran fine for a week. Now the issues have come back but i'm not sure the alternator and batter have gone bad again. Does anyone know what could be going on? Have the coils gone bad?

Any help would be greatly appreciated.

Thanks

Jun 25, 2012 | 05:19 PM

steve(ill)

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First you need to see if the alternator is putting out to charge the battery. You could put the battery on a charger for a few hours and see if your problems stop again. You might have a coil problem, but its odd it stopped when a new battery was installed .