2003 Nissan Sentra Repair Question
Topics covered: Cylinder misfire, Egr valve, Engine.
Mileage: 179,000 miles.
Mileage: 179,000 miles.
Asked on October 11, 2012
I have the code po300 and ive tried to fix it and spending countless money on parts i dont need cause its not helping the misfire issue need help
Replaced the wire set and cleaned all the sensors and everything but the problem is still there
Asked by brookmillerAnswer
Replied on October 11, 2012
Random multi cylinder misfire. may be a coil problem, plugs, egr valve vacuum leaks i would try and get a run on an engine oscilloscope, this will help nail down the exact cause of this problem.
