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Black Soot On Tail Pipes


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Posted

What causes all the black soot?

 

I cleaned my tail pipes inside and out two weeks ago,all shiny but now they are covered in black soot.

 

Does this suggest that the car is running rich?

Posted (edited)

Thought so,any ideas why it would be running rich?

 

Will be getting the thing mapped after xmas/winter,would the mapping solve this issue?

Edited by Patch
Posted

If its a stock car & running richer than it should it would throw a light on the dash. If its got HFCs or decats these will help add to the soot. I doubt it's anything to worry about. Just remember you are driving a 3.5l with reasonable performance, not some Eco 1litre with an egr valve & 1000cell cat!

Posted

After all my mods but before my remap, the exhaust was sooty as anything, during mapping they showed me that it was running slightly lean - now it is sootier than ever and does an occasional fire fart when the pipes are hot :)

Posted

If its a stock car & running richer than it should it would throw a light on the dash. If its got HFCs or decats these will help add to the soot. I doubt it's anything to worry about. Just remember you are driving a 3.5l with reasonable performance, not some Eco 1litre with an egr valve & 1000cell cat!

It's only throw you fault code up if it's well out of specification, it still can be running rich just a bit and causing the soot without fault codes. Otherwise I agree I wouldn't worry about it, just wash the car and enjoy the power. :D :D :D

Posted

;) PhotoShop ? :lol: :lol:

lol nope lol that was stolen from a video lmao, it still does it but not as big unless going hard up a long straight and lifting off lol
Posted

The next time I'm down south I'll bring it by. Cars off the road till next spring then i'll be back down to finish getting the nitrous tuned in. I'll defo call by when i'm down :thumbs:

Posted

The next time I'm down south I'll bring it by. Cars off the road till next spring then i'll be back down to finish getting the nitrous tuned in. I'll defo call by when i'm down :thumbs:

:thumbs: I'm looking forward to meet you and your beast!! :teeth:

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