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I'll send them an email and see what they think of it.

Yeah, I checked all the wiring before I took it off last night and it all seemed good. I would've thought it would output something in the scanner but I guess not. A few other guys with these cars...

Yes, I have it in pin 5 of the blue plug, I checked the wiring diagram and confirmed it was next to the wires it was supposed to be in the connector. I also changed those values and no change. It...

I just checked, I was getting 59.9Hz so about 10% ethanol coming out of the sensor. Power and ground were reading exact battery voltage as well. I also checked to make sure it was firmly installed in...

I'll swap my ground around tonight along with changing the diag delay and see if it does anything. Is it possible to merge OS's or is it more trouble than it's worth?

I would consider myself pretty decent with a DVOM. I tested voltage at the battery and at the sensor and it was exactly the same, I have the ground right on the engine block and the power for the...

Alright so I wired and plumbed the sensor in, and I am not able to get the Scanner to log a frequency or percentage. In my tune file I enabled Flex Fuel sensor under Engine -> Fuel -> Flex Fuel ->...

Okay sweet, thanks for the replies. I ordered a new Continental/GM sensor, plug, and fuel line connector to plumb it in. I'll post my progress of what happens when I get the parts in and the new tune...

Hello everyone,

I have been doing some research on adding a flex fuel sensor on my 2009 Cadillac STS-V and it seems to be rather difficult with the OS 12628912 that my E67 has. I was wondering if...

I had the same thought on the torque management at the rate it's increasing. I did fix the IATs, my intercooler kept purging the coolant out because of air bubbles in the system. I installed a...

I ended up fixing my boost issue, it was caused by two problems. I was maxxing out the factory 2 Bar MAP at 15.5 PSI of boost, so I upgraded to the LSA 3 Bar MAP and changed the parameters...

I'll send him a message. I also had the thought that I might need to install a 3-bar MAP sensor. I'm running about 15.5PSI of boost and 2-bar MAP sensors are rated for 14.7PSI of boost. What do you...

Of course!

136746

Hello everyone,

I have a weird Boost Cut right after shift to 3 gear from 2nd. It goes from about 15-16PSI of boost down to about 8-9. The car has a 4" intake, 2.55" Upper Pulley, 7.5" lower...

I re-enabled CT Downshift in TM, and reduced the coefficients in the "Shift Inertia Factor Profile CT Downshift" table. It seemed to help a lot. All downshifts seem really smooth especially when the...

I loaded that tune on, it seemed to help a little bit but it was still there. I swapped back to my original 6MPH 2-1 downshift and turned off CT Downshift in TM. That seems really smooth but the...

Thanks everyone for the replies. I'll upload that tune file in a few hours and report back. If it doesn't fix it, I'll disable CT Downshift in TM and see if the Rev-matching is still there.

Hello everyone,

My 2009 STS-V has a clunky 2-1 downshift and sometimes a 3-2 as well. When coming to a quick stop, it downshifts at 6MPH and feels like it pulls the engine down with it, makes the...