Quote:
Originally Posted by wnta1ss
Flex fuel does not work without a tune for it, the ECM needs to be setup to read the flex fuel sensor, plus there's some other stuff to do in the tune besides just enabling the flex sensor.
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thanks, perfect. I doubt I will tune the zl1, so I guess it's crappy 91 for me 
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2022 ZL1 - M6, Wrapped, Tinted, Rotofab intake, MBRP AxleBack, Lots of BMR rear suspension components
2024 Audi RS3
2022 Tesla Model 3 Performance
2018 Audi RS3 - Many mods & e85
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