Why is there abnormal noise after Jianghuai Lingjunguo stopped the fire?

There are many reasons for multi-cylinder fire in automobiles:

Wire:

1, electrical wiring aging, leakage, intermittent ignition failure;

2, ignition coil or spark plug failure, poor ignition or poor conductivity;

3. In terms of wiring, looseness, broken skin and grounding.

4. Man-made operational reasons, such as carelessness or mistakes in maintenance: failures caused by contact and loose connectors.

Oil circuit:

1, insufficient injection pressure, electronic oil pump failure;

2. The oil circuit is blocked or has impurities, resulting in poor oil supply;

3. Nozzle failure, blockage or self-failure;

4. The fuel injection caused by the line is abnormal.

5. Other faults.

Engine:

1, wear and aging, untimely maintenance, or use inferior, unqualified or unqualified engine oil;

2, due to excessive wear, cylinder pressure can not reach the normal value, etc.

3. Belt aging and ignition timing;

4. Valve timing;

5. Air intake part or throttle part;

6. Intake and exhaust valve and rocker arm assembly (see emission standard);

7. Bad products from other places.

Solution:

65438+

2. First, the throttle body, air inlet and fuel injector are suggested. Should be cleaned, and then check whether the power supply circuit of the relevant system is in poor contact. Generally, there is no problem with the driving computer. It is recommended to drive the car to an experienced 4S shop for testing and troubleshooting. As long as it is a fault, there will be a solution, but it needs on-site diagnosis and investigation.