HELP!!!

ok i've ran out of ideas and am running out of patience... my car is a cylinder 5 misfire... So far i have replaced plugs, wires, fuel injector, switched the coils and the misfire stayed on cylinder 5 so obviously not the coil.... any ideas?

Have you checked the compression? Just remember that a car needs 3 things to run - Fuel, Spark and Air. If one of them is missing it will cause all sorts of problems. You may have low compression on the #5 cylinder. possibly a bad or sticking valve. This is just my so if I am wrong, don't yell at me!

did you use the ford obd2 scanner it is the only one that can correctly identify which cylinder is misfiring ford has not release the software to others yet so systems just make a close match i have seen seen cylinder 4 misfire and showed cylinder 6 misfire on scanners the easiest way i have been able to tell is to unplug one coil at a time witch ever on you unplug and nothings happens that is what cylinder is misfiring

well the problem is, it doesn't seem to be mis firing all the time... i unplugged the coil yesterday and the misfire got a lot worse... sometimes it will only miss like once every 30 seconds to a minute, and sometimes it feels like the cylinder is not firing at all

sounds kinda like spark plugs did you use ngk or ford plugs the wrong plugs will do that and water in fuel to just some thought

finally got it fixed... not sure if i got a bad wire or cracked a plug putting it in, but i changed plugs and wires again today and it seems to be fixed!!!

Good to hear!!!!

congrats

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