Flex Fuel Sensor Kit Fittings:No Fittings 2002–2006 GMC Yukon/Yukon XL Denali

2002–2006 GMC Yukon/Yukon XL Denali and Chevrolet Suburban 1500 LTZ

Crank position sensor

- Precise fuel control based on Speed Density strategy

Due to the very tight nature of the factory ECU location

2006–2011 Honda Civic Si

Flex Fuel Sensor Kit Fittings:No Fittings 2002–2006 GMC Yukon/Yukon XL DenaliWe love Ethanol! One of the best features is having a flex tune, no need to drain the tank, fill a 2nd one or stress about where to get fuel. To use this feature you need a flex fuel sensor to tell your ECU what ethanol content % is in the tank. We strongly recommend a flex fuel sensor for any vehicle intending to use pump ethanol blends, as they are not always a consistent % between fill ups. We sell genuine GM Continental sensors that are the