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Running rich or oxygen sensor?

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Old 10-30-2013 | 09:10 AM
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Running rich or oxygen sensor?
Hi All,

CTT arrived couple of days ago, 957 2008..car running ok but noticed exhaust is black, could it be fuel quality or oxygen sensors? No warning lights on..any suggestions or solutions will be appreciated.
 
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Old 10-30-2013 | 01:01 PM
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Why do you think there is an issue? That sounds normal to me... the CTTS runs rich at idle... and leans out more at higher RPMS.
 
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Old 10-30-2013 | 01:33 PM
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Thank you sir, I got concerned as have not seen that before in a petrol engine. Will take it for a long high RPM drive.

BTW, saw your video on another forum..awesome car..
 
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Old 10-30-2013 | 01:40 PM
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Originally Posted by cyborg
BTW, saw your video on another forum..awesome car..
Thanks! She is still a work in progress. Just a little bit more power....
 
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