SINOTRUK HOWO TRUCK SPARE PARTS Engine Electronic Control Unit ECU 612640080460 SUITABLE FOR WEICHAI WP10/WP12 ENGINE

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SINOTRUK HOWO TRUCK SPARE PARTS Engine Electronic Control Unit ECU SUITABLE FOR WEICHAI WP10/WP12 ENGINE

FUNCTION

1. Comprehensive Electronic Engine Control: Real-time acquisition of dozens of signals from crankshaft/camshaft position sensors, intake/exhaust pressure/temperature sensors, fuel rail pressure sensor, coolant temperature sensor, accelerator pedal position sensor, etc. Through complex algorithms, it precisely calculates and controls the injection quantity and timing of the high-pressure common rail injectors, turbocharger wastegate opening, variable valve timing, and EGR valve opening to achieve optimal combustion efficiency, power output, and torque characteristics.

2. Fuel Economy and Power Optimization: Dynamically adjusts the injection strategy based on load, speed, temperature, altitude, driving mode, etc., to achieve low fuel consumption and high torque output. Supports multi-map switching, reducing injection quantity to save fuel during cruising and providing strong power during heavy-load acceleration.

3. Emission Control and Aftertreatment Management: Meets emission standards by precisely controlling the EGR rate to reduce nitrogen oxides and ensure particulate matter and NOx emissions meet standards. Monitors the aftertreatment system status, triggering a malfunction indicator light and limiting torque/speed in case of abnormalities.

Matching/Related Accessories (It is recommended to check these together when a fault occurs)

1. ECU bracket assembly: 612640080063/612640080066, used to fix the ECU to the right side floor/side panel of the cab.

2. ECU wiring harness/engine wiring harness: VG1034090012A/VG1034090011, often causing ECU communication failures due to water ingress/aging.

3. Sensors: Crankshaft position sensor, camshaft position sensor, fuel rail pressure sensor. Intake/exhaust temperature/pressure sensors, urea pump/injector sensor.

4. Others: ECU protective cover (VG1034090008), ECU support plate (VG1034090003A), ECU wiring harness bracket (VG1034090031); power relay, fuses.

DETAILS

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