I've got a 2000 Ford ranger 3.0 v6 that starting misfiring pretty bad yesterday. I had the code read and it said cylinders 4 and 6 were misfiring. I just replaced the spark plugs and wires about 2 weeks ago and have been driving it everyday with no problems until yesterday. Any ideas on what is causing it to misfire? Should I replace the two wires and plugs again or could it be the ignition coil or what? Any help is appreciated.
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