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The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.
My Check engine light came on and I got a trouble code of PO304 which is #4 cylinder missfire. What else besides plugs, wires and coil ,could cause the missfire? Thank's ...Hal
bad injector, compression, dropped valve. start on the cheapest thing 1st and then go up. prob something simple. i also had a cylinder 4 misfire and it was a cracked plug.
You'd know if the valve dropped...that would be a bit WORSE than a little misfire.
Go back and recheck your work...then check it again for good measure. I say remove the coils and clean them...then clean the ICM (bracket the coils sit on)...then seafoam it IMO.
