1, intake china pressure sensor

Intake china pressure sensor, used to indirectly measure the air; throttle release high vacuum, throttle depressed vacuum low; vacuum low when more fuel injection, the proportion of small and medium load! It is easy to find it, throttle after looking for trace!

2, crankshaft position sensor

Crankshaft position sensor, its role no one for; once the signal is lost, how to start the car without; at this time, the computer silly eyes, I do not know which tube dead!

3, camshaft position sensor

Camshaft position sensor, generally installed in the distributor; if not installed in the distributor, camshaft before and after looking for! It's work is very simple, specifically measured cylinder deadcorn point; report the computer even finished, the order of the order of fire spray, lack of computer to play it does not turn ... ...

4, throttle position sensor

Throttle position sensor, the load signal from it; five operating conditions to keep in mind, four and it has a relationship! Flap off is idle, the signal voltage zero; flap open large load, the signal voltage of 4.8; not only control the engine, but also control the rheizer!

5, heating type oxygen sensor

Heating oxygen sensor, exhaust pipe measured oxygen; used to control the air-fuel ratio, zirconia is the electrolyte, their own electromotive force; oxygen for a long time oil supply dilute, the signal voltage 0.1; oxygen gas when the gas is thick, the signal voltage 0.9; Oil, every 10 seconds in 8 change, if the change quickly change!

6, piezoelectric knock sensor

But the measured earthquake frequency (6 ~ 9KHz), the ignition angle of the child back, detonated disappeared, the ignition began to move forward; control the best point of ignition, the ignition of the sensor, Always on the edge of the knockout area!

One of the characteristics of modern automotive technology development is the increasing use of electronic control components. The work of electronic automatic control depends on the information of the sensor. According to statistics, the current general car about dozens of sensors, high-class cars have more than 100 sensors.

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