Drivetrain slipping?
So yesterday I was headed out to a job pulling my equipment trailer which is pretty heavy and the route includes some hills with up to 7% grades. Going up one of those hills at medium RPM but near fu...
Forum Discussion
Krusty wrote:
Pull the spark plugs for inspection. I suspect one will have carbon tracking visible down the side of the white porcelain insulator near where the part# is printed. This is caused by your misfire and quite common on 3.5 eco. When the plugs get worn, they are sometimes unable to fire through the high cylinder pressures when you are under load, and the spark will find it easier to jump down the outside of the plug to ground, leaving the carbon track as evidence.
This makes total sense. It seems that the DI engines eat spark plugs quite frequently.
