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List of contents of this article:

• 1 ,International vendor verification What are the reasons why the car engine can't start
• 2, overhaul of car engine not starting
• 3, What are the fault reasons why the engine can't start< /Li>
• 4, What are the reasons why the engine can't start?

What are the reasons why the car engine can't start

1. The reasons why the engine can't start is as follows: the battery loses power, which is characterized by the starter starting to turn but the speed is not enough Powerless, the starter only clicks and does not turn; the flow of gasoline is blocked, and the performance is characterized by no oil pressure in the engine oil supply pipe. This situation mostly occurs in the morning when the temperature is particularly low, which is caused by long-term dirt on the fuel pipeline.

2. The reasons why the engine cannot start are as follows: 1. The low-pressure oil pipeline is blocked, the pipeline is loose and leaking oil, the high-pressure oil pipeline has empty gas, and the fuel injector is in poor technical condition.Power outage, poor contact of electromagnetic switch, and slippage of the clutch of the transmission mechanism. The cylinder cushion is damaged and leaked, the valve is not closed, and the piston cylinder liner is worn and leaked. Factors such as blockage of the empty air filter.

3. The engine cannot start. Common reasons: circuit failure or battery failure. Ignition coil or in-fire plug failure capacity. The oil line failed, the oil pump was damaged, and the fuel tank was out of oil. I didn't bring the key.

Overhaul of automobile engine failure to start

No initial combustion, no start. One of the three engine components (which will affect the engine performance) may fail. 2) The startup time is too long. According to the fact that the engine can start, it can be judged that the three engine parts are normal. Therefore, the failure may be caused by the air-fuel ratio at startup.3) Initial combustion occurs but stalls immediately.

The filter element of the air filter is blocked, resulting in a small air intake; the air flowmeter fails, resulting in abnormal concentration of mixed gas at startup; the connection between the start switch and the engine ECU is disconnected, and the ECU cannot receive the start signal when starting, and the thick mixture is not supplied; the ignition timing is inaccurate.

Determine the cause of failure. For the diagnosis of engine failure, the battery should be tested first. It is necessary to find out whether the engine can't start or the battery is low. Check the root cause of the failure that the ignition timing belt slips without sparks and the engine cannot start.

The gear is wrong. When the automatic transmission car starts, the gear must be placed in P gear or N gear. If it is placed in R or D gear, it will not catch fire. There are also some manual transmission cars that can't catch fire if they don't step on the clutch.Reasons for the use of the vehicle: improper oil, no antifreeze, excessive carbon accumulation, oil problems.

The damage to the start-up system needs to be repaired at the 4s store. Engine ignition system failure. In the early ignition system, the ignition coil can be easily removed, and then an electric spark detector can be used to detect whether the electric spark is normal. If the ignition system fails, you can clean up the carbon or replace the spark plugs.

If the engine rotational resistance is normal, the starting system fails, and the starting capacity of the starting system decreases, the engine cannot obtain sufficient rotational speed; if the engine rotational resistance is abnormal, the engine rotational resistance exceeds the engine and the engine cannot obtain sufficient rotational speed. Inspection method: Check the rotation resistance of the engine.

What are the reasons for the failure of the engine to start

The main reasons include: start-up system failure: it may be insufficient battery storage, loose column clamping or serious oxidation, circuit fuse melting, ignition switch failure, starter failure, start line disconnection or Poor contact, etc. Ignition system failure: it may be ignition coil failure, spark plug failure, etc.

The reasons why the engine cannot start are as follows: 1. The low-pressure oil pipeline is blocked, the pipeline is loose and leaking oil, the high-pressure oil pipeline has empty gas, and the fuel injector is in poor technical condition.Power outage, poor contact of electromagnetic switch, and slippage of the clutch of the transmission mechanism. The cylinder cushion is damaged and leaked, the valve is not closed, and the piston cylinder liner is worn and leaked.

There are three reasons for engine failure: the failure of the starting system causes the engine to fail to rotate or the speed is too slow to start.

What are the reasons why the engine can't start?

The common reasons why the engine cannot start are as follows: the battery is out of power: the owner can confirm whether the battery is out of power by checking the battery status indicator; the gasoline pump is damaged or the fuel tank is out of oil: if the gasoline pump is damaged or there is no oil in the fuel tank, the engine may not start.

The reasons why the engine cannot start are: the battery is out of power, the flow of gasoline is blocked, the ignition system is in poor working condition, the valve is glued, the exhaust pipe is frozen, etc.If the battery loses power, it means that the starter starts to turn but the speed is not enough, that is, there is no power, and then the starter only clicks and does not turn.

The reasons why the engine cannot start are as follows: the battery loses power. Its performance is characterized by the starter starting to rotate but the speed is not enough, and the starter only clicks and does not turn; the flow of gasoline is blocked, and the performance is characterized by no oil pressure in the engine oil supply pipe. This situation mostly occurs in the morning when the temperature is particularly low, which is caused by long-term dirt on the fuel pipeline.

The reasons why the engine cannot start are as follows: 1. The low-pressure oil pipeline is blocked, the pipeline is loose and leaking oil, the high-pressure oil pipeline has empty gas, and the fuel injector is in poor technical condition. Power outage, poor contact of electromagnetic switch, and slippage of the clutch of the transmission mechanism. The cylinder cushion is damaged and leaked, the valve is not closed, and the piston cylinder liner is worn and leaked.