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Flexible small engine EFI kits

By ECOTRONS Small engine EFI is not new anymore. More and more small engine manufactures switch from carburetors to EFI either because of the more stringent emission regulations or the market demand for better products. EFI has a lot of advantages over the carburetors, as it has been proved by auto industries. One major hurdle

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About Us

We manufacture Electronic Fuel Injection (EFI) systems for small engines and special engines. Our EFI products include the Engine Control Unit (ECU), fuel injection components, small engine EFI conversion kits, a wideband controller kit (Accurate Lambda Meters, or ALM), and even a small engine simulator (SimMotor).   Our EFI applications can be in 3 major

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Wideband Controller – Accurate Lambda Meter

ALM-LSU ADV (New) While most wideband controller manufacturers are still using LSU4.2 or LSU4.9 sensors for their flagship products, Ecotrons ALM has again taken the lead to release the most advanced wideband control system with Bosch’s latest and greatest wideband O2 sensor: LSU ADV. Click here, if you want to know immediately “What set ALM

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ALM-II (Accurate Lambda Meter with Dual Channels)

ALM-II (Accurate Lambda Meter with Dual Channels) click to enlarge click to enlarge ALM-II (Accurate Lambda Meter with Dual Channels) is the dual-channel version of ALM. It includes 2x LSU 4.9 sensors, driven by Bosch CJ125 chips. It is typically used for V-shape engines, like V6, V8 or V10 engines, etc. It has all features

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wideband controller ALM-Board

ALM-Board (Accurate Lambda Meter in a mini board) ALM (Accurate Lambda Meter) is an air-fuel-ratio (AFR) meter which uses the Bosch LSU4.9 wideband oxygen sensor and Bosch semiconductor chip CJ125 to accurately measure the AFR or lambda for variant combustion engines. Click here, if you want to know immediately “What set ALM apart from other

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wideband controller ALM-CAN

ALM-CAN (Accurate Lambda Meter with CAN bus supported) ALM (Accurate Lambda Meter) is an air-fuel-ratio (AFR) meter which uses the Bosch LSU4.9 or ADV sensor and Bosch semiconductor chip CJ125 to accurately measure the AFR or lambda for variant combustion engines. ALM-CAN is the version that comes with the auto industry standard CAN bus. This

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wideband controller ALM-LED

ALM-LED (Accurate Lambda Meter with LED display) ALM (Accurate Lambda Meter) is an air-fuel-ratio (AFR) meter which uses the Bosch LSU4.9 wideband oxygen sensor and Bosch semiconductor chip CJ125 to accurately measure the AFR or lambda for variant combustion engines. ALM-LED is a version of ALM that has a build-in LED display instead of a

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Wideband controller ALM-RS485

ALM-RS485 (Accurate Lambda Meter in a mini board) ALM-RS485 is an Accurate Lambda Meter that supports RS485 communication with ModBus protocol, which is more suitable for most industrial control applications than other models and can be integrated with other devices via standard RS485 protocol. ALM-RS485 default is ALM-Board type, you can also customize other models,

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ALM-Inline

ALM-Inline ALM (Accurate Lambda Meter) is an air-fuel-ratio (AFR) meter which uses the Bosch LSU4.9 or LSU ADV wideband oxygen sensor to accurately measure the AFR or lambda for variant combustion engines, or to simply measure the oxygen concentration of variant exhaust gases. Click here, if you want to know quickly “What set ALM apart

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