I've read through the archived posts on Nailing and understand that it is apparently a case of the fuel injected into a cylinder exploding all at once. The possible causes appear to be many, and all seem to be injection related. What I did not find was a suggested course for dealing with the problem. My instinct is to start at the inectors replace or rebuild) and work towards the cylinders instead of the other way around. Has anyone succesfully dealt with this?