What to Do When the Car Body Shakes Severely with AC On?

How Long After Production Date is a New Energy Vehicle Considered Inventory Stock?

Inventory stock generally refers to vehicles that remain unsold for more than three months after leaving the factory. Definition of inventory stock: Inventory stock typically denotes vehicles that have remained unsold for over three months after manufacturing completion and factory release. Since the automotive industry emphasizes timeliness, new vehicles normally complete the journey from production to customer delivery within one to two months. Those exceeding three months or longer are generally classified as inventory stock. Potential issues with inventory stock: After leaving the factory, various fluids, electronic components, batteries, rubber seals, and tires in new vehicles may undergo prolonged storage without periodic inspection and maintenance, making them prone to moisture damage and aging. Only a handful of dealerships implement regular inspection and maintenance measures—though the cost isn't high, it consumes manpower and time. Some 4S stores even park inventory vehicles outdoors, exposing them directly to sun, wind, and rain. For vehicles stored excessively long without proper warehouse management, the aging of electronic components and rubber products often goes undetected without professional equipment. Many long-term inventory vehicles also suffer from fuel or battery depletion issues.

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Is No Response When Starting the Engine Caused by Spark Plugs?

No response when starting the engine could be caused by spark plugs, but it may also result from carbon buildup in the car or fuel injector leakage. Carbon Buildup in the Car: This failure to start is primarily due to excessive carbon deposits in the idle speed motor, intake tract, intake valves, and combustion chamber. When there is too much carbon buildup or dirt in the intake tract, the cross-sectional area of the air passage changes, leading to an overly rich or lean air-fuel mixture. This causes abnormal combustion or engine shaking after starting, and in severe cases, the engine may fail to start at all. Fuel Injector Leakage: No response when starting could also be due to issues with the fuel injectors, such as leakage or excessive carbon buildup, resulting in a lean air-fuel mixture during startup and making it difficult to start the engine. Additionally, if the charcoal canister or the charcoal canister solenoid valve malfunctions, it can also lead to difficulties in starting the engine.

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Will smoke come out of the intake pipe if smoke is blown into the oil filler port?

Will smoke come out of the intake pipe if smoke is blown into the oil filler port. Smoke from the intake pipe: When the engine is running, the oil splashes inside the machine. Combined with the influence of temperature, the oil atomizes and produces smoke. This is a normal phenomenon and there is no need to worry. Crankcase exhaust gases: Crankcase exhaust gases are the result of oil frying the piston. This phenomenon is common. There is a thin pipe on the cylinder head that sucks the exhaust gases back into the engine for re-combustion before emission, to avoid environmental pollution. This is called crankcase exhaust gas recirculation. Some posts mention installing an oil catch can to filter these exhaust gases, which is a normal phenomenon. Shape of the engine intake port: The position of the intake port varies among different car models. Some car models have the intake port at the front of the engine, while others have it at the rear. The location and shape may differ from car to car. The air filter is installed between the intake port and the throttle port, shaped like a rectangular plastic box.

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Are German Cars Noisier Than Japanese Cars in Terms of Engine Noise?

The reasons for loud engine noise in cars are as follows: Weather Conditions: Cold weather can cause the engine idle speed to increase. When the engine remains at high RPM while cold, it may feel like the engine noise is louder, which is a normal phenomenon. Loose Plastic Components in the Engine Compartment: For example, the engine cover or intake pipe may be loose and need tightening. Noises from engine belts, including power steering belts and alternator belts, can occur if they are aged, too loose, or too tight. Replace or adjust the tension as needed. Incorrect Engine Oil Condition: Engine oil is crucial for lubrication. Issues with the oil can affect engine performance. If the oil viscosity is too high, it can cause operational problems, reduce lubrication efficiency, and lead to increased friction and noise during engine operation.

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Does Traffic Jam Consume Fuel?

Being stuck in traffic for ten minutes with the engine running consumes a certain amount of fuel. However, you can avoid wasting fuel by turning off the engine during those ten minutes of traffic congestion. Definition of Fuel Consumption: Fuel consumption refers to the amount of fuel used corresponding to the distance traveled by a vehicle. Constant-speed fuel consumption is an indicator of fuel efficiency when a car is driven at a constant speed on good road conditions. The commonly mentioned "liters per 100 kilometers" refers to how many liters of fuel a vehicle consumes for every 100 kilometers traveled, where "liters" is equivalent to "L" (liters). Factors Affecting Fuel Consumption: Vehicle fuel consumption is influenced by many factors, including driving conditions and driving habits. Examples include prolonged engine idling, sudden braking, inconsistent driving speeds, insufficient tire pressure, aggressive acceleration, and long-distance driving at high speeds in low gears. Additionally, road conditions significantly impact fuel consumption, especially in urban traffic situations where traffic jams are common.

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What Causes Engine Shaking After Cylinder Head Assembly Replacement?

The causes of car accelerator pedal shaking include engine misfire, dirty engine throttle, and aging rubber components inside the mounts. Below are the specific reasons for car accelerator pedal shaking: Engine Misfire: This may be due to an engine misfire fault, causing one or more cylinders to stop working, resulting in severe engine shaking transmitted to the accelerator pedal. Common fault points for misfires include: faulty spark plugs, malfunctioning ignition modules, or poor fuel quality. Dirty Engine Throttle: It could be caused by a dirty engine throttle, leading to engine shaking. It is recommended to inspect the throttle and clean it if excessively dirty. Aging Rubber Components Inside Mounts: The shaking may be due to aging rubber components inside the engine and transmission mounts, which can no longer absorb the vibrations generated during engine operation, causing the shaking to be transmitted to the accelerator pedal.

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What to Do When the Car Body Shakes Severely with AC On?

How Long After Production Date is a New Energy Vehicle Considered Inventory Stock?

Is No Response When Starting the Engine Caused by Spark Plugs?

Will smoke come out of the intake pipe if smoke is blown into the oil filler port?

Are German Cars Noisier Than Japanese Cars in Terms of Engine Noise?

Does Traffic Jam Consume Fuel?

What Causes Engine Shaking After Cylinder Head Assembly Replacement?

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