Traditional Culture Encyclopedia - The 24 Solar Terms - Does the throttle affect the ignition delay?
Does the throttle affect the ignition delay?
2. Water temperature sensor
The water temperature sensor can correct the fuel injection pulse width. If it doesn't work well and can't provide the correct temperature signal, it will affect the fuel injection of the engine, which will easily lead to abnormal air-fuel ratio of the mixture and affect the start-up.
3. Air temperature sensor
Similar to the water temperature sensor, the air temperature sensor is also used to correct the fuel injection quantity. The higher the temperature of the air temperature sensor, the thicker the mixed steam will be, or the air temperature sensor will be too dilute due to open circuit or poor grounding. But too thick and too thin will be difficult to start.
4. Fuel quality issues
After the hot car is turned off, the temperature in the engine compartment is still very high. If the fuel quality itself is easy to volatilize, it is easy to form a higher evaporation pressure in the fuel rail. When this pressure is greater than the pressure of the oil supply system, air resistance will be formed, which will cause the oil vapor sprayed by the oil nozzle to be too thin and difficult to start.
5. The choke falls off
Fuel nozzle leaks. Because the engine has just turned off and the temperature is still high, the leaked fuel will turn into oil and gas and enter the intake pipe. At this time, the hot start will cause the mixture to be too rich and the start will be difficult.
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