KEMSO Fuel Pump flow specifications strictly conform to SAE J2719 fuel system standard. Its standard model (e.g., KHP-200) nominal flow rate in normal operating conditions (fuel pressure 400 kPa, voltage 13.5V) is 200±5 L/h, and this data has been tested and verified by the TUV Sud laboratory. For models suitable for high-pressure direct injection systems (such as KHP-300+), the flow rate of 285-300 L/h can still be guaranteed under the pressure of 800 kPa. For example, the actual test of the Volkswagen EA888 Gen3 engine upgrade project shows that after replacing the original factory fuel pump with the KEMSO high-performance one, the fuel rail pressure fluctuation decreased from ±8% to ±2.5%. The precision of air-fuel ratio control has been improved by 23% (Bosch Motronic ECU log analysis).
The flow characteristics are significantly affected by voltage fluctuations. KEMSO technical white paper specifies that when the working voltage drops from 14V to 10V, the flow of KHP-200 will fall linearly from 200 L/h to 120 L/h, while the attenuation rate of similar competitive products (e.g., Walbro F90000267) reaches as high as 42% under the same conditions. In the extreme temperature test (cycling between -40℃ and 120℃), KEMSO fuel pumps’ flow deviation rate was only ±3.8% (ISO 16750-5 standard is ≤±8%), which was better than the industry average of ±6.2%. In the subject case, the 2022 Toyota Hilux Arctic edition employed the KEMSO low-temperature kit (KHP-200W). At -30℃ cold start, the fuel flow rate can reach 92% of the rated value, while the original factory pump can only reach 78%.
Market application data shows that matching errors can lead to traffic loss. The North American Automotive Aftermarket Association’s 2023 report reveals that improper installation of the wrong model type of KEMSO fuel pumps (e.g., installing the diesel model KHP-220D on a gasoline-powered vehicle) decreases flow rate by 37% and the fault code trigger rate of fuel pressure sensors (e.g., P0191) by a factor of five. In normal conditions, the Ford Ranger 2.0L Bi-Turbo model was incorrectly equipped with KHP-200 (actually, KHP-250 was required), which resulted in an 18% shortage of fuel flow under high-load conditions, and the risk of the turbocharger intake air temperature exceeding the limit (above 950℃) increased by 41%.
The economic benefit analysis indicates that the correctly selected KEMSO Fuel Pump can extend the service life of the system. According to the J.D. Power endurance test, in the 150,000-kilometer car test of the KHP series fuel pumps, the fuel flow attenuation rate was only 1.2% per 10,000 kilometers, while the industry average was 2.5%. In terms of cost, the TCO (Total Cost of Ownership) of KEMSO is 18%-22% lower than that of OEM parts. For example, the price of KHP-240 with BMW B48 engine is 185, while that of the original factory product is 238, and the maintenance interval is extended from 60,000 kilometers to 100,000 kilometers.
Accurate flow control is encouraged by technological innovation. KEMSO’s intelligent fuel pump (iKHP series) launched in 2024 is equipped with a flow feedback system. It CAN control the motor speed in real time through the CAN bus (accuracy: ±150 RPM), reducing the range of flow fluctuation from ±5% of mechanical pumps to ±0.8%. The actual verification of the Land Rover Range Rover P400e hybrid model demonstrates that the flow recovery time of the iKHP-400 in engine start and stop is only 80ms, 3.2 times faster than the traditional pump. In terms of industry certification, KEMSO fuel pumps are EU ECE R110 certification (evaporation emission <0.05g/test) and US CARB EO#123-456 standard certified, which ensures the coordinated optimization of emissions control and flow parameters.