exhaust soot
#1
exhaust soot
Has anyone noticed that there is quite a bit of soot coming out of their exhaust. I changed my exhaust about 6 months ago to the TRD. I have noticed now more that when I do highway driving there is a lot of soot on the exhaust tip. If I clean it off it returns the next day. Is this a normal occurrence. I know some would be normal but it seems like a large amount.
Is this soot due to poor fuel burning. The car runs fine. Would this carbon make me fail emissions? If anyone knows please let me know.
Is this soot due to poor fuel burning. The car runs fine. Would this carbon make me fail emissions? If anyone knows please let me know.
#5
It's normal, don't worry, all exhausts will do it.
It's simply the soot in the gases that's building up and sits there.
And no it won't cause you to fail an emission test. Take a look at stock exhaust pipes, it'll be there too. Just a normal result of exhaust fumes.
It's simply the soot in the gases that's building up and sits there.
And no it won't cause you to fail an emission test. Take a look at stock exhaust pipes, it'll be there too. Just a normal result of exhaust fumes.
#8
Generally indicative of a rich condition. It shouldn't make it past a brand new catalyst. Mine is still clean and shiny on the inside, 17k miles later.
Often happens to folks with CAI, or folks who run premium for no good reason.
Often happens to folks with CAI, or folks who run premium for no good reason.
#12
For the most part I don't drive really fast. I do commute a lot on the highway at around 70 mph. Shouldn't be running that rich at only 70. I also didn't notice this until after I installed the TRD exhaust. I am assuming that it is partly because it allows the exhaust gases to travel less distance to escape. Most of this soot probably gets stuck in the stock exhaust. Any cause for worry? I also use 87 octane gas. I have a K & N. No CAI though.
#13
if i was counting miles per gallon i'd get a 1.5L honda. i drove a CADILLAC V8 that required premium before my tc, i payed close to $4 a gallon when price got high so regular gas is chump change.
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