UrbanRunnerNY
New member
Hey guys,
Just pulled out the original plugs from the 4.0 at a 100k. What are your thoughts on the 5th plug on the right? Seems darker, leaner than the rest? This is the drivers side, furthest cylinder in (closest to driver).
Is this concerning?
Just pulled out the original plugs from the 4.0 at a 100k. What are your thoughts on the 5th plug on the right? Seems darker, leaner than the rest? This is the drivers side, furthest cylinder in (closest to driver).
Is this concerning?