engine brake

I recently bought an 06 jeep rubicon and everything’s been running great. I decided to take it to a professional detail place for an engine bay cleaning because the person o bought it from lived down a dirt road. After the cleaning was done i had it in neutral and it wouldn’t even roll down the...

Hey guys, for the past couple of days I‘ve been noticing a strong burning smell, almost like running rich, when engine braking down a pretty steep hill. The engine sits at 1700-1800 rpm in 3rd going down the hill and only notice the Smell near the bottom but goes away while I’m going up the...