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Old 10-20-2022, 05:50 AM   #41
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Originally Posted by 78F350 View Post
I have a DME-Immobilizer set from a 2004 2.7L Tiptronic that I can loan you if that helps. I am open to selling it if it works for you.
Thanks I really appreciate that, but its not going to work.

I believe I will need DME with Immobilizer and key together or it will not start.

Or replacement DME will need to be reflashed to work this my Immobilizer and key. I don't know of a source or person that has the capability to do that.

:

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Old 10-20-2022, 06:50 AM   #42
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To clarify, This is what I have:

https://www.ebay.com/itm/155065766086?nma=true&si=MmbRQ601PC5CgEY138kHApcbDZY%253D&orig_cvip=true&nordt=true&rt=nc&_trksid=p2047675.l2557


I bought it from that seller off eBay. It's currently in a 2004 2.7L car that runs, but shows an error for ABS coding. If nothing else, I figure that it could help with your diagnosis and only cost shipping to try it out.
To test your car, I would send the DME, Central locking module (immobilizer box), and the key fob - which houses the transponder for the immobilizer. It is from a Tiptronic car, but should be able to run the engine in your car - is the DME in your car the original Tiptronic?

I also have a DME and immobilizer box that originally came with the '04 2.7L car, but no key fob to go with it.
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Old 10-21-2022, 07:07 AM   #43
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Mrs 78F350 is dropping it off for shipping it as I type. Here's what is being sent:



The VIN that it is coded for shows a 2003 2.7L Tiptronic.

The transponder is inside the key fob. I'm not sure how your ignition is set up on the race car, but you can put your key blade in the fob, or just have it in position at the ignition when you turn your key - I expect that your original key fob will interfere if both are in proximity at the same time.

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Old 11-04-2022, 10:25 AM   #44
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Well I'm at a loss battling the p0336 code.
Many thanks to @78F350 for lending me his DME, Immobilizer and transponder (key pill). I got the car to run with this loaner DME but still have the P0336 error.

I've checked the engine mechanical timing (all 4 cams and crank positions), the crank sensor (2 of them), the wiring to the DME and now a second DME.

I get RPM output on the tach and on the scan tool.

But still have an error.

Last edited by Endurance Racer; 11-04-2022 at 02:24 PM.
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Old 11-07-2022, 12:27 PM   #45
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Problem found.
I need to pull the transmission to get to the flywheel to see exactly what happened. Crank sensor had no damage.


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Old 11-09-2022, 04:37 AM   #46
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Since I have to get a new flywheel, does anyone have a recommendation for a nice light weight flywheel?
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Old 11-09-2022, 07:39 AM   #47
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Since I have to get a new flywheel, does anyone have a recommendation for a nice light weight flywheel?
AASCO is what most spec boxster folks use
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Old 11-10-2022, 08:22 AM   #48
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I'm reading that some don't think a lightweight low mass flywheel is a good idea becuase the engine vibrations lead to crank shaft failures.
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Old 11-15-2022, 08:13 AM   #49
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some dispute on that. Jake Raby, the so called god of the m96/m97 says not to use it, but plenty of race cars are so equipped with no real issues. just depends on your risk tolerance.

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