misfire cyliner 1 and 3

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Because of the site we are on,I’m sure it’s a Mustang. Because of the section we are on, I gather it’s a ‘96-04’.
Other than those things, I’m not sure. :shrug:
What year is the Mustang in question?
V8 or V6?
What are the codes?
What all have you checked/replaced?
Details will help the community help you