Miss fire

Asked by GuruTLYVT Jun 28, 2018 at 09:27 AM about the 2001 Ford F-150 XL SB

Question type: Maintenance & Repair

I have a 2001 f-150 4.6l. It is miss firing
on #4 cylinder. I have swapped coil
with #3 cylinder and # 4 is still missing.
Can you please tell me what else to
look at.

2 Answers
14,395

Guy answered 5 years ago

Change the #4 plug with a new one. Ive always swapped them with a known good cyl i.e. coil4/2 plug 4/1 just because 1 and 2 are easy to get to for whichever part was bad but plugs are cheap and you will most likely be putting new ones in anyway save yourself the extra work.

Mark helpful

Your Answer:

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