Replaced Spark plugs, wire, and cap still same problem now what

Question

Car misfiring. Stuttering fluctuations in power

Answer 1

Stuttering and fluctuating in power, Vacuum leak that gets pass the MAF sensor will cause the rough idle and fluctuation in idle. The vacuum leak should be inspected first, if there is no vacuum leaks 2 area that has to be checked the fuel pressure and the MAF sensor.