# Running rich....

**URL:** <https://forums.speedlife.net/t/running-rich/148049>\
**Category:** Canada Nissan Automotive\
**Created:** [October 11, 2007, 6:10pm UTC](https://forums.speedlife.net/t/running-rich/148049 "2007-10-11T18:10:44Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![fcukven1](https://avatars.discourse-cdn.com/v4/letter/f/c2a13f/32.png) [@fcukven1](https://forums.speedlife.net/u/fcukven1)\
**Post date:** [October 11, 2007, 6:10pm UTC](https://forums.speedlife.net/t/running-rich/148049/1 "2007-10-11T18:10:44Z")

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not all the time but once in a while at a stop light i see the little black smoke comming out the back and it bother me … any reason why is running like that i put in 91 all the time on it now … am i going to have to an electronic controller to have this issue fixed?

SR20DET stock

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**Author:** ![RS13](https://avatars.discourse-cdn.com/v4/letter/r/46a35a/32.png) [@RS13](https://forums.speedlife.net/u/RS13)\
**Post date:** [October 11, 2007, 8:16pm UTC](https://forums.speedlife.net/t/running-rich/148049/2 "2007-10-11T20:16:36Z")

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check for boost leak’s and check your o2 sensor

how many km’s do you get to a tank??

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**Author:** ![fcukven1](https://avatars.discourse-cdn.com/v4/letter/f/c2a13f/32.png) [@fcukven1](https://forums.speedlife.net/u/fcukven1)\
**Post date:** [October 12, 2007, 7:26am UTC](https://forums.speedlife.net/t/running-rich/148049/3 "2007-10-12T07:26:28Z")

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i say about 600k per tank, since it takes half a tank to go from Edmonton to Calgary

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**Author:** ![beatshack](https://avatars.discourse-cdn.com/v4/letter/b/f0a364/32.png) [@beatshack](https://forums.speedlife.net/u/beatshack)\
**Post date:** [October 12, 2007, 4:07pm UTC](https://forums.speedlife.net/t/running-rich/148049/4 "2007-10-12T16:07:59Z")

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weird… your mileage is normal for highway. i was going to say injector o-rings, but no way its that with 600 highway km per tank.

what kind of FPR are you running? fuel pump etc?

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**Author:** ![fcukven1](https://avatars.discourse-cdn.com/v4/letter/f/c2a13f/32.png) [@fcukven1](https://forums.speedlife.net/u/fcukven1)\
**Post date:** [October 12, 2007, 5:05pm UTC](https://forums.speedlife.net/t/running-rich/148049/5 "2007-10-12T17:05:46Z")

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all stock no modifications there yet . to go to banff from calgary was bout a quarter tank each way… lately it hasnt been doing it … i have the gas tank half full maybe that has something to do with it