@@BjornFSE Who? Innovate?? They have great customer service. Maybe contact them directly? smh Or for the spoon fed answer you're looking for... Go to their website, look at the gauge, click on the link for documentation, and go to section 2.4 for Flex Fuel Sensor where it states... "P/N 3911 kit does not include flex fuel sensor. The ECB-1 is compatible with GM P/Ns 13577429 and 13577379" Take off