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Old 10-23-2012, 06:24 PM   #3132
The Evil Twin
Boxer Freak
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Joined: Jul 2012
Location: NoVa
Oddometer: 474
Originally Posted by johnjen View Post
We do this to make the engine run better due to emissions restraints.

I would have figired the AC motors would get enriched as the temp goes up, as that usually yields a cooler charge. I'm more of a water cooled guy, though. The modern boxer is a new thing for me.
Anyway, I'm just trying to understand what it does and how far it goes before I pop one on. Is there any adaptation left in the EFI system or is it a straight % across the board? Do the intake and ambient pressure sensors (if there) still function and affect the injector duration as originally intended? Is it trade secret?
I'm just a gearhead and this stuff fascinates me. I just like to understand things before I go plugging things into a vehicle. I spent hours researching what if's on the PCIII and PCV. Sorry if this all sounds familiar. There are a ton of pages to go through in this thread.
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