misfire

  1. I

    slight jerking/shaking at idle

    Hi All, I have been trying to track down the cause of a jerking sensation while in gear (1st or Reverse) at idle rpms. it happens when I go to inch forward or backwards like creeping forward at a stop light or backing into a parking space. It feels almost like a sticky brake caliper (which it's...
  2. J

    2019 Raptor 8k miles dead cylinder, 2 misfires, p0304/p0316

    Hi All, I purchased a 2019 Raptor a few months ago with 6,500 miles on it. The previous owner installed a Roush CAI + Exhaust. The truck was running fine until a couple weeks back when I was on the highway traveling at about 80mph. I attempted to speed up when the truck started to violently...
  3. Brad12

    2014 w/random misfires (Roush supercharged)

    I've taken my truck to the dealer three times now, and they haven't been able to diagnose the issue. I'll do my best to list out the sequence of events in order and where we are today. I could really use your guys' help here because I'll be chasing for the Baja 1000 in a month and I need to...
  4. Dirtypope

    Cylinder 4, 5 and 6 Misfire

    Raptor 2019 and 40K miles I was able to get to the dealer and truck just died code P0300, P0304, P0305, P0306 Anyone had same issue???
  5. DreamcastERA

    GEN 1 Cylinder #7 Ignition Coil and Spark Plug Wire Arc - Any Advice Appreciated!

    I've got a 2013 Raptor with 6.2 of course. Love it! Been a great truck. However, Recently I noticed a ticking sound under the hood. A louder and different one than the normal ticking I usually hear. Upon further inspection I could see Cylinder #7 (third back from the front on the drivers side)...
  6. Preston Garvey

    Help... Cylinder Misfire maybe????

    Hey all, I’ve been dealing with a problem with my 19 Raptor. At speeds between 50-85 I get a wicked shimmy, which I originally thought was a transmission issue... the dealer swapped out a new torque converter. The issue continued. It never threw a code until I was on the highway, the check...
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