What's wrong with Jeep Grand Cherokee C23 12?

Jeep Grand Cherokee reported C23 12 as a control valve failure. Horizontal control needs to be disabled to eliminate the factory mode fault. It is suggested to eliminate the open circuit of control valve by power-off road test.

So as to change the air intake and control the operation of the engine. The air entering the engine is filtered by the air cleaner into impurities such as dust, which flows through the air flowmeter, enters the power room along the throttle passage, and then is distributed to each cylinder through the intake manifold; When the engine is idling, part of the air bypasses the throttle and enters the cylinder through the additional air valve or idling control valve.

Precautions:

1. In order to avoid solid sound transmission, it is recommended to install the valve body suspended on the hose.

2. When installing, make the airflow direction conform to the regulations.

3. It can provide accurate airflow with the lowest flow at idle speed.

4. Appropriate measures should be taken, such as filtration and purification, to prevent foreign objects from entering the valve from the carbon tank or hose.

5. It is suggested to install corresponding protective filter at the outlet of carbon tank. sizing grid

6. The coil resistance is usually about 20Ω. If it is too big or too small, there may be an internal open circuit or short circuit.