Flex Sensor
📘 Etuners Parts Article
FLEX SENSOR
Advantages of Installing a Flex Sensor When Tuning Cars
Automatic Adaptation to Fuel Composition
The Flex Sensor (ethanol content sensor) allows the ECU to read the percentage of ethanol in gasoline in real-time. This is especially relevant when using blends such as E85. The ECU automatically adjusts fuel injection, ignition, and other parameters without reconfiguration.
Engine Protection
Without the Flex Sensor, detonation or mixture lean-out can occur when the fuel composition changes. The sensor monitors ethanol and prevents critical situations, increasing engine longevity.
Performance Improvement
Ethanol allows for a safe increase in boost and ignition timing. The Flex Sensor provides accurate data, enabling maximum power without compromising safety.
Flexibility in Fuel Use
You can refuel the car with both 95-octane gasoline and E85. The system adapts automatically, which is especially convenient during trips and with unstable fuel quality.
Compatibility with Modern ECUs
Simos18, Bosch MED17, and other modern control units have built-in support for Flex Fuel. If there is no support, we can integrate it into your ECU.
Essential Component for High-Power Projects
For engines with a power output of 400 hp or more, the Flex Sensor is mandatory when switching to ethanol. It ensures stability and safety under maximum loads.
Conclusion: The Flex Sensor is not just a sensor, but a necessary upgrade for stable and safe engine operation on ethanol.
