06 1.6 Volkswagen Bora cold car is not easy to start. What happened?

1, the battery is dead, and the car is difficult to start. The main reason is that the battery is dead. Especially in the case of low temperature in winter, the power consumption of cars will be significantly higher than that in other seasons, and the battery will become lower in capacitance because of the low temperature environment. In addition, if the battery is used for a long time, the initial starting voltage will be lower. For example, the adhesion of dirty oil on the battery surface will make the voltage output unstable, which will lead to car body jitter.

2. Replace the appropriate oil.

In winter, with the decrease of temperature, the viscosity of engine oil will increase, making it difficult for engine oil to flow, thus increasing engine resistance. If it is difficult to start, please check whether the oil used is the wrong label.

3. Replace the spark plug in time. After a few years of use, spark plugs are likely to have problems such as carbon deposition, air leakage, excessive gap and ablation, which makes it difficult to ignite cars. It is difficult to start the engine cold or even hot, and it often needs multiple ignitions. Therefore, when you drive to a certain kilometer or feel that the vehicle is difficult to start, unable to drive, shaking, increasing fuel consumption or inexplicably stalling, please check the spark plug status and replace it in time.

Extended data:

The main causes of car fever:

After the car is parked for a long time, the oil returns to the oil pan at the lower part of the engine. Therefore, after ignition, the upper part of the engine is in a state of no oil and no lubrication. It takes about 30 seconds after starting, and the oil will be transported to the parts of the engine that need lubrication most, such as piston, connecting rod and crankshaft, due to the operation of the oil pump.

The correct way to warm up a car should be to go on the road at 1 minute 30 seconds after the start, but don't drive at high speed at this time and keep driving at low speed. The engine speed should not exceed 3000 rpm, and it should generally be kept at 2000 rpm, otherwise the severe wear and tear suffered by the engine and gearbox will be irreparable. After the engine temperature rises to the normal operating temperature (about 3 to 5 minutes), normal driving can be resumed.

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