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Where is the fuel temperature sensor located?

1 Answers
RyderLee
07/30/25 2:22am
The fuel temperature sensor is installed on the high-pressure fuel rail and can directly measure the temperature of the fuel flowing through the return line. Here is relevant information: 1. Working principle: The sensor is mounted on the high-pressure fuel rail to directly measure the temperature of fuel in the return line, as fuel density and viscosity change with temperature. The ECU uses this data to adjust fuel flow. 2. Function: It detects fuel temperature, and the engine control unit utilizes this signal to calculate injection timing and quantity. This signal also controls the fuel cooling pump switch. When the signal is lost, the engine control unit substitutes it with coolant temperature data to maintain operation.
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Methods for calculating a car's fuel consumption per 100 kilometers: The fuel consumption per 100 kilometers equals the fuel consumption (liters) divided by the driving distance (kilometers) multiplied by 100. The fuel consumption per 100 kilometers indicated in the manual of domestic cars is generally the constant-speed fuel consumption. Constant-speed fuel consumption refers to the fuel economy indicator when the car is driving at a constant speed on a good road. Several key technologies related to fuel consumption include three main aspects: 1. Vehicle weight: The relationship between vehicle weight and fuel consumption is directly proportional. For every 10% reduction in vehicle weight, fuel consumption will decrease by several percentage points accordingly. 2. Car design: Car design, with lower aerodynamic drag, will significantly reduce fuel consumption. The relationship between these two is also directly proportional. 3. Road conditions: Driving conditions are an important factor affecting fuel consumption.
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Yes, but it depends on the situation. For minor accidents with repair costs not exceeding 2,000 yuan, you can directly report to the insurance company. After the insurance company confirms the claim, you can proceed with the repairs. However, if the repair costs exceed 2,000 yuan or if there are injuries, you must call the police. More relevant information is as follows: 1. Accident Scene Handling: In the event of a traffic accident on the road, the driver must immediately stop the vehicle and protect the scene. If there are personal injuries, the driver must immediately assist the injured and quickly report to the traffic police on duty or the traffic management department of the public security authority. If the scene is altered due to rescuing the injured, the original positions should be marked. Passengers, other drivers, and pedestrians should assist. 2. Accident Outcome Handling: For traffic accidents on the road that do not result in personal injuries and where the parties involved have no disputes over the facts and causes, they can immediately leave the scene, restore traffic, and negotiate compensation matters on their own. If they do not leave the scene immediately, they should quickly report to the traffic police on duty or the traffic management department of the public security authority.
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What kind of engine oil is suitable for BJ40?

BJ40 is equipped with a turbocharged engine, and it is recommended to use fully synthetic engine oil with a viscosity of 40. Turbocharged engines have higher requirements for engine oil. More details are as follows: 1. Engine oil is known as the lifeblood of the engine. Inside the engine, it not only lubricates but also cleans, seals, cushions, dissipates heat, and prevents rust. Without engine oil, the engine cannot operate normally. During operation, the engine oil forms a thin film on the surfaces of various components, preventing direct contact and friction. 2. When selecting engine oil viscosity, it is essential to choose the appropriate viscosity based on your engine's technical characteristics. The viscosity of the engine oil should neither be too high nor too low. If the viscosity is too low, the oil cannot form a stable film inside the engine. If the viscosity is too high, it increases the resistance during engine operation, affecting power output and fuel economy. Generally, a viscosity of 40 is suitable for turbocharged engines. 3. Over time, the performance of engine oil deteriorates, so it needs to be replaced regularly. It is advisable to change the engine oil on schedule during regular use and replace the oil filter each time. When purchasing an oil filter, always choose genuine products from reputable brands.
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