Scan the ECM for codes. If you get a cylinder specific code such as p0301, p0302 etc. Then focus on that cylinder
p0301 = cyl 1
p0302 = cyl 2
P0306 = cyl 6
If just p0300 (random misfire). Probably the coil pack.
Saturday, December 29th, 2012 AT 9:41 PM