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Old 05-25-2021, 05:18 AM   #1
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Join Date: Dec 2011
Location: Finland
Posts: 270
3.6 Transplant issue with the o2 sensors.

Been a while since I last posted on here, have had my head down for the last 3+ years trying to get the 3.6 transplant completed on my Boxster racing car (with some family and work related interruptions)...

I am 99% done and race ready, but have a strange issue I can not fix and wonder if this is due to incorrect conversion from 7.2 to 7.8 DME and the changes in pin allocations, or something else - Might even not be a problem at all?!?

So I have a 2000 Boxster S racing car, and have installed a 2002 996 3.6 engine along with the 7.8 DME, everything looks to be running and working and I do not have any errors registered with the Durametric (apart from stuff I have removed as it is a racing car). But when I look at the live values for the o2's I am getting no adaptation values - they are stationary as follows:
.- Adaption range 2 (FRA) bank 1 = 1
.- Adaption range 1 (RKAT) bank 1 = 0
.- Adaption range 2 lower (FRAU) bank 1 = 1
.- Adaption range 3 uppper (FRAO) bank 1 = 1
.- Adaption range 2 (FRA) bank 2 = 1
.- Adaption range 1 (RKAT) bank 2 = 0
.- Adaption range 2 lower (FRAU) bank 2 = 1
.- Adaption range 3 upper (FRAO) bank 2 = 1

I can not figure this out, and either:
.- I have removed a component from the system which is preventing the dme from running adaptation (I removed all emissions stuff - racing car)
.- There is an issue in the Durametric?
.- The pinout for the o2 connectors are not the same between the 7.2. and 7.8 dme as indicated in the factory manual I have been working from? (I did disconnect the o2's and start the car and instantly got error codes on the Durametric)
.- Everything is working as it should, and I do not understand how to read the live values in the Durametric?

Pulling my hair out here, any pointers or advice?
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Kroggers...
"Trying to drive a Boxster S for team CoolCava Racing!"
www.coolcavaracing.com | www.paulkrogdahl.com
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