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Old 05-06-2012, 03:29 AM   #161
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Quote:
Originally Posted by Sonic_HedgeHog View Post
Slightly off topic...

So, Tom, would you recommend no Mods at all til tuning is able to be performed or would a cat-back be okay with current knowledge??? Is the intake the more risky mod for now?

Thanks,
Casey
Not to answer for him but here is what he said earlier in this thread.



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Originally Posted by 1turbofocus View Post

I would NOT install anything to these new Foci till there was tuning out , THEY WILL GO LEAN and you can and some have already hurt these engines , they came from Ford to lean and adding these type of parts makes the issue worse

Tom
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Old 05-06-2012, 04:05 AM   #162
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If your worried about knocking because your running moderately lean, use premium gasoline (91oct+) and take it easy until a tune comes around (better yet, if your worried just don't do it). Yes, you CAN do harm by modding a car w/o a tune. It's not advisable, but at the same time neither is half of the things most people do to their cars. At best running lean you will be losing performance (expect big gains with a tune). At worst (if your driving like a maniac 80% of the time) your going to have a world of problems.
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Old 05-06-2012, 08:50 AM   #163
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Even if the ECU is seeing the actual A/F it is NOT able to change the A/F under WOT (open loop) conditions it can under closed loop conditions

I would use extreem caution modding this new engine with out tuning , My opinion is I would do NO modding till there is tuning

Tom
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Old 05-06-2012, 09:41 AM   #164
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Quote:
Originally Posted by 1turbofocus View Post
Even if the ECU is seeing the actual A/F it is NOT able to change the A/F under WOT (open loop) conditions it can under closed loop conditions

I would use extreem caution modding this new engine with out tuning , My opinion is I would do NO modding till there is tuning

Tom
and im way passed the point of no return lol. But hey what's another project huh tom?
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Old 05-06-2012, 11:27 AM   #165
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Hopefully tuning becomes available soon
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Old 05-06-2012, 12:35 PM   #166
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Quote:
Originally Posted by darkangelism View Post
Hopefully tuning becomes available soon
This.

I dont drive crazy much at all but ya i do want a tune. They should be out soon.

Still nice increase with just intake and exhaust.
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Old 05-06-2012, 01:28 PM   #167
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Quote:
Originally Posted by 1turbofocus View Post
Even if the ECU is seeing the actual A/F it is NOT able to change the A/F under WOT (open loop) conditions it can under closed loop conditions

I would use extreem caution modding this new engine with out tuning , My opinion is I would do NO modding till there is tuning

Tom
Funny, I seem to remember another person on this board saying that very same thing...
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Old 05-06-2012, 07:32 PM   #168
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Quote:
Originally Posted by FocusBoy58 View Post
and im way passed the point of no return lol. But hey what's another project huh tom?
A guy has to have something to play with

Tom
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Old 05-06-2012, 09:44 PM   #169
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Quote:
Originally Posted by 1turbofocus View Post
Mode 1 PID only means "show currect data" so so everyone can understand what your talking about lets just say your datalogging and lets use OL=open loop or CL=closed loop , people will read this and there is no sense making this harder then it has to be for those that dont know

Tom
Sorry, it should have read "mode 6".
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Old 05-06-2012, 09:46 PM   #170
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Quote:
Originally Posted by ChrisRo View Post
If this is anything like the 2011+ Mustang PCM codes, the car will not actually go to open loop at WOT.
That is exactly what I am seeing. The PCM reports closed loop at WOT.
The 2012 Focus does have a wideband sensor.
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