JK Wrangler (model years 2007 - 2018)
2013 Jeep Wrangler 3.6 liter. Following an oil change at a dealership, the check engine light, followed by the traction control light and a loss of power above 3000 to 3500 RPM. Following some recommendations from the forum, I removed the oil filter cap to perform an inspection.
What I found...