soot

I know this topic has been discussed here before, but I wonder if the exhaust Soot that builds up on my car is not normal. Maybe it's because I have a white car? I have black exhaust soot/dust that builds up quickly all over my back bumper not just near the exhaust area but up to my trunk and...

I am a few months away from purchasing my first Genesis. I have seen several other genesis with black soot on the bumpers. Is the soot problem something that is only found on the GDI engines? I rented a 2013 3.8 the other day and noticed that after about 300mi of driving that the exhaust was...

My father has a 2012 Equus in white and black soot builds up on the rear bumper cover so much that it looks like a 70's era diesel. It looked so bad that the Equus service manager (near Port Charlotte FL) was concerned enough to take pictures and bring in the national service tech. A few weeks...

I have a 2012 5.0 with approximately 750 miles on it. After returning from a 225 mile, mostly interstate trip I noticed that the exhaust tips are black with soot. Is this normal? Thanks