hi i have a 2014 ram 1500 with 131,000 miles. i keep getting a misfire code on cylinder 1. i had mechanic replace coils and spark plugs. couple weeks later cylinder 1 failed again. i was told to put factory coil in, so i did. couple weeks later cylinder 1 has misfire. mechanic said wire plugging into coil was bad. had them replace that, couple weeks later, misfire on cylinder 1 again. dodge dealer couldn't find a problem. swapped coils from cylinder 2 to 1 and 1 to 2 while it was misfiring. stopped the problem. couple weeks later, misfire on cylinder 1. coil obvs isn't bad. spark plugs were changed, idk what else it can be.