2000 Cadillac Seville Repair Question
Topics covered: Compression, Cylinder misfire, Fuel filter.
Mileage: 32,000 miles.
Mileage: 32,000 miles.
Asked on December 23, 2010
Engine
Enter your question...2000 4.6 northstar eng idles reoght with code p0303 #3 cylinder misfire--new plugs,new#3 injector, and new fuel filter?????????????still shakes
Asked by RICK RRAnswer
Replied on January 7, 2011
Check compression, check for vacuum leak around this cylinder, check that the injector is getting a firing pulse, start here.
mark (mhpautos)
