Silvia Club of NSW
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car running lean
https://forum.silviansw.com/viewtopic.php?f=12&t=35063
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Author:  jcle [ Wed May 11, 2011 9:01 pm ]
Post subject:  car running lean

Hi guys, anyways,my car had a problem ,it kept running weird like no petrol,after awhile,the exhaust tip inside was all a rusty colour instead of the norma black.& it's a black top sr20det.Anyways after trying so much things with no luck,i changed the knock sensor,now better.But even though the exhaust is black again,i removed the dump pipe to check the turbo rear,it seems,the turbo is the normal black again,except for the turbines are still that rusty colour.
Any help would be much appreciated.

Author:  rk2k9 [ Thu May 12, 2011 11:09 pm ]
Post subject: 

i have no idea what you are talking about, that's pretty awesome grammar though...

first of all, how do you know your car is running lean?

if it changed from rusty colour to black colour, i would say it's running richer, because black=carbon

Author:  jcle [ Fri May 13, 2011 4:38 pm ]
Post subject: 

I mean ,usually if you look inside the tip of your exhaust it'll be black,yes.Well, mine went a rusty orange,though now it's back to the normal black ,i'm still worry it could be running lean, cause the the turbine wheel on the dump side is still that rusty colour.Should it not be black?,or is that black oily coulor on the turbine only from a bad turbo,i'm quite sure it's not.I am sure my car is running lean for some reason,maybe thats just the way a standard ecu runs,since my last ecu whent missing.

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