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    Looking for advice on misfire

    So it's been a few weeks, but I thought I should give you all an update. The problem WAS the catalytic converter on the driver's side. I got in with a mechanic and he was troubleshooting the plugs, coils, and fuel injectors. They couldn't figure it out until he took it for a drive. Came back...
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    Looking for advice on misfire

    So after driving back and forth to work today I checked the codes again when I got home. An additional code was added, 307 for Cylinder 7. So it's not just the one cylinder...
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    Looking for advice on misfire

    Thanks for that article too. Good information. So considering code 0430....could O2 sensors or a bad catalytic converter cause misfires? The dealership did say something about bank 2 not acting right...which is on the same side as the code was giving. I was thinking anything involving...
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    Looking for advice on misfire

    The dealer replaced the plugs...I replaced the ignition coils. So then it would be a yes because it's all one piece...well attached together... https://www.autozone.com/ignition-tune-up-and-routine-maintenance/ignition-coil/duralast-multi-pack-ignition-coil/591230_520521_17367
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    Looking for advice on misfire

    What are "boots"? Imagine that...way for them to make more money I guess...convince someone otherwise.
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    Looking for advice on misfire

    Thanks! I have a 2012 XLT EL, 5.4 3V, with about 101k miles. It's been running like a top up until about a month ago. It started running rough and eventually began misfiring. I used to have a 2002 F150, so in my experience it was a bad ignition coil. I got the code read to find out which...
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    Looking for advice on misfire

    Greetings, Which forum would be the correct place to ask troubleshooting questions for misfiring? Here or Engines? Thanks Brent
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