[88z24cavvy]

Hey guyz... my friend has a problem and needs some help. When he revs his car it blows what we believe is carbon all over the road out the tailpipe?! We think it's runnin REALLY RICH but we aren't positive. What could it be? Help!! Thanx!! imp:

 

[Brad91Z]

Well, is the stuff liquid or solid?? It could be carbon buildup from use that has been knocked loose. It could be chunks of a cat's catalyst that is broken up.

Brad

 

[amancuso]

My cousin's 88Z was doing the same thing. It was sooo bad that if you let it idle in one spot it would stain the road with black soot. We changed to O2 sensor and gave it new plugs and wires, and that solved the problem, it also helped gas mileage.

-Al.

 

[88z24cavvy]

His problem sounds a lot like the one that you've described amancuso! It leaves black soot all over the road.... so I think I'll tell him he needs to get it tuned up and change some things and hopefully it'll go away!!