Cadillac CTS-V 2004-2007 (Gen I) The Caddy with an Attitude...

Flex Fuel Sensor for the Gen I V

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Old 08-17-2018, 03:10 PM
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Default Flex Fuel Sensor for the Gen I V

Does anyone make a flex fuel sensor for the Gen I V? I'd like to run corn as the meth injection just isn't giving me the timing increases I expected. TIA
Old 08-17-2018, 04:11 PM
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Check with Jeremy Formato, I think his company is FasterProms. he is a very good tuner and does a lot of this. yep, here
https://fasterpromsstore.com/products/cts-v-e85-flexfuel-kit
Old 08-18-2018, 07:52 PM
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Old 08-20-2018, 10:10 AM
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Check with Jeremy Formato, I think his company is FasterProms. he is a very good tuner and does a lot of this. yep, here
https://fasterpromsstore.com/product...5-flexfuel-kit
From the website it appears they only support the V2 and V3 but i sent an email to be sure.

I can't get the link to work. It does a password challenge and then bombs out with a 'something went wrong..." message.
Old 08-20-2018, 12:16 PM
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Old 08-20-2018, 04:32 PM
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Ouch. That's a lot of segment swaps. I have not done one to date.

THANKS for the info. I will take a closer look at this. The pinout they refer to in the text must be for the LS6 (makes since with the 2005 Silverado segment swaps). I have the LS2 w E67 PCM. Pin 56 on C1 is used for the starter relay. They likely have a different pinout and hopefully a different Silverado tune to use as well (the tune in our E67 seems to be an SOB as it is not similar to much of anything that I have found). Better yet maybe the flex fuel tables are enabled in the E67 (06 07 V) tune.
Old 08-20-2018, 04:36 PM
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Advanced Fuel Dynamics has a plug and play system for the C6 (LS2) Vette and C5 (LS1/6) Vettes. Not sure if the connectors/connections would be any different between them and our V's or just the wiring lengths/install instructions.
Old 08-21-2018, 04:11 PM
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The 2013 vette does have the e67 controller. I'll reach out to them as well.
Old 08-22-2018, 02:29 PM
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Its Pin 59 for my 2004 Maggied V. I converted to flex fuel running E85 or any mix of pump gas
Old 08-23-2018, 12:49 PM
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Its Pin 59 for my 2004 Maggied V. I converted to flex fuel running E85 or any mix of pump gas
I appreciate it but that is the camshaft position sensor on mine.




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