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Running Rich!!!!!

Old Sep 26, 2002 | 08:34 AM
  #1  
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Default Running Rich!!!!!

I seem to be running rich after I did the T/B bypass, It was "perfect" before, ??? for anybody is " would the hot coolant running thru the T/B help in creating a more lean condition than what I am at now". It seems to me I've read several threads where warmer weather creates a more lean condition on LS1's, any suggestions or comments would be appreciated.
Johnie
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Old Sep 26, 2002 | 08:37 AM
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Default Re: Running Rich!!!!!

I seriously doubt that the TB bypass is causing your rich condition. Get someone to Atap to confirm it.
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Old Sep 26, 2002 | 11:56 AM
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Default Re: Running Rich!!!!!

T/B bypass isn't going to make any noticeable changes to your cars a/f.

More than likely, if you disconnected the battery, and left it that way overnight, your computer reset and now has to re-lean its LTerm corrections.
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Old Sep 26, 2002 | 11:58 AM
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Default Re: Running Rich!!!!!

Either that, or you left something disconnected (MAF perhaps) causing you to run in volumetric efficiency mode (PCM is basically injecting fuel blindly).
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Old Sep 27, 2002 | 12:11 AM
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Default Re: Running Rich!!!!!

recheck everything you did when you did the mod. You may have left something disconnected.
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Old Sep 27, 2002 | 09:06 PM
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Default Re: Running Rich!!!!!

Check your coolant level also coolant temp sensors don't like air pockets.
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