MG MG3 computer detection head is there

It is on the right side of the accelerator pedal.

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Crankshaft position sensor (CPS), also known as engine speed and crankshaft angle sensor, is used to collect crankshaft rotation angle and engine speed signals, and input them into the electronic control unit (ECU) in order to determine the ignition time and fuel injection time. Camshaft position sensor (CPS) is also known as cylinder identification sensor (CIS), in order to distinguish it from crankshaft position sensor (CPS), camshaft position sensor is generally represented by CIS. The function of the camshaft position sensor is to collect the position signal of the valve camshaft and input it into the ECU, so that the ECU can identify the top dead center of cylinder 1 compression, so as to carry out sequential fuel injection control, ignition time control and deflagration control.

In addition, the camshaft position signal is used to identify the first moment of ignition when the engine is started. Because the camshaft position sensor is able to identify which cylinder piston is about to reach the top dead center, it is called a cylinder recognition sensor.

If the spark plug is reversed, the ignition coil is reversed, and there is still a misfire in the four-cylinder, it is recommended to test whether the cylinder pressure of the four-cylinder is normal.

And what kind of maintenance did you do before? Or is it all of a sudden that the four-cylinder misfires and shakes?

The chances of problems in the computer version are not very high, look at the fuel injector cylinder pressure or something!

The computer version generally does not have problems, it is recommended that the spark plug and ignition coil of the four-cylinder and other cylinders are poured to see if the fault code is changed to other cylinders, if the fault code is changed to other cylinders, it is recommended to replace the spark plug ignition coil, if it is still a four-cylinder, check the four-cylinder ignition coil circuit, and see how many wires the ignition coil plug is.

Yes, indeed, you can ask him to find one for you to swap it up, and if it doesn't appear in the process of opening, then you can change it again. It is recommended that you find a few more families to diagnose you.

SAIC MG3 engine fourth cylinder fire 4S shop master circuit oil route road cylinder pressure check no problem, the master said that there is a possibility of doubt and engine computer version, let the master take a good try to know.

There is no diagram.

Correct timing.

The function of the crankshaft position sensor is to determine the position of the crankshaft, i.e. the angle of rotation of the crankshaft. It usually works in conjunction with a camshaft position sensor – to determine the basic ignition moment. We all know that the engine starts igniting at the end of the compression stroke, so how does the engine computer know which cylinder is due to ignite?

It is calculated by the signal of the crankshaft position sensor and the camshaft position sensor, through the crankshaft position sensor, you can know which cylinder piston is at the top dead center, and through the camshaft position sensor, you can know which cylinder piston is in the compression stroke. In this way, the engine computer knows which cylinder to fire when to fire.

Ask the question about the position of this signal board.

Hello, this signal panel can not be disassembled, if it is dismantled, you can only replace the camshaft, but you can find the same car to compare the installation position, and.

Then fix it on.

Yes, that's right.

The car fault code content, P0012: camshaft position actuator - timing lag. In the event of this kind of failure, there will be an ignition delay, and it is difficult to get on the car, it is recommended to remove the timing belt, recalibrate the timing, install it, and you're good to go!

Or go to the 4S shop for repairs;

MG3 manufacturer ** million yuan. Car loans are generally loaned for a maximum of 5 years, with a maximum of 80%, and the monthly payment will be the same depending on the loan time and amount. And now there will be many different loan options for financial companies, suitable for different people.

It is recommended that you go to MG's distributor for consultation, or you can click here to help you do the preliminary calculation according to your requirements.

is in the position of the central control system, as shown in the figure below:

Both locations are possible, depending on your car model. Please see **, thanks.

MG MG3 is hand-placed without a USB flash drive.