2015 sho misfiring

[Robert Norton]

Hello new member here, I have a misfiring at cruising speeds with a steady throttle. It doesn't happen under acceleration. No check engine light, 2015 with 52k mileage. Any help would be great.

 

[luigisho]

Pull the codes. No light doesn't mean there are not codes in the computer. That should help narrow the possibilities down some.

 

[Robert Norton]

Ok thanks

 

[SHOdded]

Has the PTU fluid or spark plugs ever been serviced? Also, any change of fueling stations, esp if you live in a summer/winter gas region?

 

[Robert Norton]

I am in a summer/winter gas region. I will change the plugs. I am planning on a tuner, should I go with a colder plug? And recommendations?

 

[SHOdded]

For plugs, go with what your tuner says to use. Motorcraft SP542 plugs are 1 range colder should you want to go that route.

 

[Robert Norton]

Thanks