P0351 ona 2004 vibe

[danno919]

I am getting P0351 error code. I am trying to figure out if it is the coil or the ECM that would do that.Most of the time the car runs fine. Then it will sputter some. and then will not idle. After a little bit it seems to run fine again. Ihave a couple other codes but I believe they are o2 sensors slow to respond.Thanks

[lovemyraffe]

The code is for the coil pack. There are pages and pages of what tests you can do to check whether or not it is the coil pack or the wiring harness or the ECU. Either way, replacing the coil pack will be the cheapest and easiest.