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- - Coil and plug replacment (https://www.fordforum.com/forum/ford-f-250-ford-f-350-15/coil-plug-replacment-32417/)

Trex1980

10-21-2014 06:12 PM

5.4 superduty won't start after plug and coil change

Hello,
Recently had a coil go bad # 7
Cylinder ran a couple days like that then replaced all coils and plugs.... When done the truck would not start it had a total of 16 codes unhooked battery to let the computer reset, that brought the number of codes down to 8 all throttle codes. Came up with replacing the tps did that still no start. Please help any ideas?
Thanks

petehack

10-27-2014 06:03 PM

check fuses for 12 volts on both ends of fuses. A bad fuse may of caused codes and no start. Do you have spark? Plug all wires back in on coil? I forgot one recently and it did not want to start.

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