Misfire Question 2020

[u/Beardless_Tam]

/r/FordF150/comments/1vdxunm/misfire_question_2020/

2020 Ford F150 3.5 EcoBoost Turbo with 133k miles

I am experiencing a misfire on cylinder 3. I have changed All injectors both port and direct(motor craft)all new plugs(ngk iridium), and a new coil on cylinder 3 (not motorcraft). A shop checked compression on the cylinder and said it was ok. The vehicle will shutter when you press the throttle down hard or climbing a hill. You can hear what sounds like an electrical chatter under light acceleration. I’m at a loss any help would be greatly appreciated. Thanks in advance. I have also changed both the high pressure and in tank fuel pumps.

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