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RESOLVED - Multiple Codes after Flex Fuel Kit Install Question

slow_mkv

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First Name
Denny
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2020 Toyota Supra Premium, 2025 Tesla Model 3
Hello, Just had a flex fuel kit installed on my car by a local reputable shop.
The car is running fine but threw a whole bunch of codes.
I wanted to see if anyone had run into these same codes/ if they are something that will be tuned out when I get a new map for flex fuel.

Not looking for any diagnosis or anything like that all I am trying to achieve by posting is to check if this is normal or if the Zeitronix ECA-2 Canbus was wired wrong.

Car is a 2020 with a Twisted Tuning Downpipe with a 93 Ecutek tune by Twisted Tuning. Installed recently was a SP1-R and flex fuel kit I put together with the Zietronix ECA-2/ethanol content gauge, Precision Raceworks 360 Fittings, and Continental Flex Fuel Sensor. Also attached are the codes. Thank you!
Screenshot_20250616-172822.jpg
Screenshot_20250616-172848.jpg
Screenshot_20250616-172429.jpg
Screenshot_20250616-172837.jpg
Screenshot_20250616-172818.jpg
Screenshot_20250616-172827.jpg
Screenshot_20250616-172852.jpg
Screenshot_20250616-172844.jpg
Screenshot_20250616-172831.jpg
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slow_mkv

slow_mkv

Member
First Name
Denny
Joined
Jul 28, 2020
Threads
1
Messages
19
Reaction score
14
Location
New York
Car(s)
2020 Toyota Supra Premium, 2025 Tesla Model 3
Putting this up in case anyone runs into this in the future.

One of the connectors had a loose pin. The pin was intermittently making a good contact but then disconnecting. The car was detecting this as a fault and causing the issues described above. Good luck with your flex fuel installs! Hopefully this is of help to someone.
 
 








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