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would tune cause smoking?

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Old 11-08-2009, 08:43 AM
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Question would tune cause smoking?

1st gen with ls1 6 speed just got running, trex cam,80mm tb, car runs great, but smoking like a chimney whitish grey smoke and smeels rich..., good compression, etc, checked everything i know to check and leaning to the tune. i ttok pcm to local guy who put file on it to get it running and put a decent tune on it it idles great, runs great just smokes bad when it comes up to temp and was wondering if the tune would cause this?
Old 11-08-2009, 09:51 AM
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"runs great just smokes bad when it comes up to temp".
Sounds like once it's in closed loop, the tune is dumping alot of fuel in.
Time for a scan and datalogs.




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