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Old 05-04-2012, 05:37 PM   #104
Kabigon
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Location: Torrance, CA
What I Drive: 2012 sterling gray Titanium

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Quote:
Originally Posted by 1turbofocus View Post
It isnt the time delay to WOT fuel (openloop) that is causing that , it is actually set that lean in the tuning from ford and in my opinion it is WORNG but I know why there doing it and for a grocery getter its fine , intake causes a leaner condition

All that would have to be done with an intake is see the engine is lean stock and slightly larger maf hole to richen it up , this would keep the engine safe , make more power...

Yes I have had about 10 2012 on my dyno they were all lean
Tom

Quote:
Originally Posted by 1turbofocus View Post
The front o2 is not used for WOT fueling

Tom
WTH?

1) Why would the front O2 not be used during WOT? I have never seen my car go open loop @ WOT.

2) I am getting a steady 12.4~12.5 (commanded and actual) AFR @ WOT.

Could this be attributed to PCM calibration differences or...?
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