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11-05-2023, 02:42 PM
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#1 |
        
Drives: 2021 LT1 10 speed auto Join Date: May 2013
Location: Connecticut
Posts: 2,355
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E85 sensor kit removal question
I am removing my E85 sensor kit that I installed, am returning the car to stock status. Will I have any CEL issues ? do I have to deactivate the E85 tables? I had Jannetty activate and set up the car for E85 originally after I successfully installed and wired the E85 sensor kit.
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11-05-2023, 04:48 PM
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#2 |
   
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 7,665
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Depends if flex fuel diagnostics is enabled.
__________________
 2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel |
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11-05-2023, 05:48 PM
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#3 | |
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Drives: 2021 LT1 10 speed auto Join Date: May 2013
Location: Connecticut
Posts: 2,355
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Quote:
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11-05-2023, 06:51 PM
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#4 |
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Snackbar Tuning
Drives: 2023 SGM ZL1 Join Date: Oct 2016
Location: Florida
Posts: 1,522
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That is exactly what he is saying
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11-06-2023, 07:48 AM
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#5 | |
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Drives: 2021 LT1 10 speed auto Join Date: May 2013
Location: Connecticut
Posts: 2,355
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Quote:
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11-06-2023, 10:58 AM
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#6 |
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Snackbar Tuning
Drives: 2023 SGM ZL1 Join Date: Oct 2016
Location: Florida
Posts: 1,522
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The problem with removing the Flex Fuel sensor on a car where it was tuned in, is if the diagnostics are enabled(and maybe even if they are not), you will get a CEL for FF sensor failure. Then the ECU will lock in on a default ethanol content as part of the failure strategy. I think the OEM value is 40% Ethanol. So if you pull the flex fuel sensor and put 93 octane in, the ECU will treat it like E40 and run super rich.
The tune needs to be removed. I would think most tuners would flash the stock file back in for free in your situation. At least I would. |
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11-06-2023, 11:04 AM
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#7 | |
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Drives: 2021 LT1 10 speed auto Join Date: May 2013
Location: Connecticut
Posts: 2,355
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Quote:
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