For car enthusiasts and long-term vehicle owners, a significant increase in fuel consumption of vehicles over a decade old can be a major headache. If you notice that your old car’s fuel consumption per 100 kilometers is significantly higher than that of a new model of the same type, the culprit may not only be the aging of mechanical components. The unnoticed drift in parameters of the engine control chip is a hidden cause, which can lead to inaccurate calculations of fuel injection pulse width and air-fuel ratio.
Traditional diagnostic tools often fall short in detecting such issues. This is where V519 OBD2 Scanner comes into play. The OBD2 tester, a must-have for modern vehicle maintenance, can provide a wealth of real-time data about your car’s engine performance. However, to truly pinpoint the problem caused by the MCU, we need to go a step further with chip-level diagnosis.
The first step in chip-level diagnosis is to use DSO2D10 oscilloscope to measure the fuel injection signal waveform output by the Engine Control Unit (ECU). By comparing the measured waveform with the standard value, we can determine whether the computing power of the chip has declined. If an abnormal waveform is detected, it indicates that the engine control chip may have problems. Replacing the chip with the same model can often solve the problem.
Auto ECU chips play a crucial role in engine management. They are responsible for precisely controlling various engine parameters to ensure optimal performance and fuel efficiency. When the chip malfunctions due to aging, its control accuracy will be compromised, leading to increased fuel consumption.
After replacing the problematic automotive chip, the next step is ECU tuning. Through ECU Master Tool ECU programmer, we can write a specially tuned “old car fuel consumption optimization” program into the ECU. This program extends the closed-loop control time and reduces the idle fuel injection volume, enabling the engine to operate more efficiently, especially in older vehicles.
Oil prices are rising rapidly today. If you are worried about the high fuel consumption of your old car, and mechanical repairs have not improved it, it may be that the car chip is faulty. A seemingly insignificant chip can often cause big problems. Consider using the car chip for chip-level testing and ECU tuning, which can usually effectively solve the problem of high fuel consumption in old cars and give your beloved car a new lease of life.
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