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Can Replacing the Oxygen Sensor Save Fuel?

1 Answers
StephenLynn
07/30/25 4:26am
Replacing the oxygen sensor can save fuel, but the exact amount saved depends on the vehicle's condition and driving habits. The oxygen sensor's function is to monitor the vehicle's exhaust, detecting the oxygen content in the exhaust and then feeding the results back to the ECU. The ECU then uses this data to control the amount of air entering the cylinders and the fuel injection for the next cycle, ensuring complete fuel combustion and avoiding waste and pollutant production. However, if the oxygen sensor is faulty or has deteriorated due to prolonged use, the ECU cannot receive accurate data, leading to imprecise control of air intake and fuel injection, which results in fuel wastage. Oxygen sensors should be inspected and replaced approximately every 100,000 kilometers.
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What is the reason for the airbag light in the Boyue turning on?

The reasons for the airbag light in the Boyue turning on are: 1. Damage to the airbag; 2. Poor contact of the airbag connector; 3. Loose airbag connector. Taking the Boyue 2021 model as an example, its body dimensions are: length 4519mm, width 1831mm, height 1694mm, wheelbase 2670mm, fuel tank capacity 58l. The Boyue 2021 model is equipped with a 1.8t turbocharged engine, with a maximum power of 120kw and a maximum torque of 250nm, matched with a 6-speed manual transmission. The front suspension type is MacPherson independent suspension, and the rear suspension type is multi-link independent suspension.
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How to Operate the Cruise Control on the Buick Regal?

Here's how to use the cruise control on the Buick Regal: Press the cruise control button to activate the cruise control system. Briefly push the RES+ button upwards to accelerate to the desired speed. Each short push increases the speed by approximately 1 km/h; a long push increases it by 5 km/h. Briefly push the SET− button on the steering wheel downwards. The desired set speed will briefly appear on the instrument panel. If cruise control is already active, this will decrease the speed. Lift your foot off the accelerator pedal. To end cruise control, lightly press the brake pedal—the indicator light will turn off when cruise control is deactivated; press the cancel button on the cruise control device; or press the on/off button to turn off cruise control.
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How to Adjust the Time on the 8th Generation Honda Accord?

The method for adjusting the time on the 8th Generation Honda Accord is as follows: 1. Locate the "SOUND" button on the center console's audio and air conditioning panel, which has a CLOCK (time) label below it; press and hold the "SOUND" button until you hear a "DI" sound, and the time on the LCD display will start flashing. 2. Press the "4" button (with the letter H below it) to adjust the "hour", and the "5" button (with the letter M below it) to adjust the "minute". Pressing "6" will set the minutes to "00". 3. After adjusting to the correct time, press the "SOUND" button again. The time will stop flashing, indicating that the adjustment is complete.
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Which country produces Volkswagen?

Volkswagen is divided into FAW-Volkswagen, SAIC Volkswagen, and Volkswagen Germany. The models produced by Volkswagen Germany are German products, while the models from FAW-Volkswagen and SAIC Volkswagen are domestically produced. Below are the detailed specifications: 1. Models produced by FAW-Volkswagen: Jetta, Golf, Sagitar, Bora, Caddy, Magotan, Audi. 2. Models produced by SAIC Volkswagen: Santana (Classic Santana, 2000, 3000, Vista), Passat (Old Passat, Lingyu), Touran, Polo (Old Polo, Jinqing, Jinqu, Cross-polo), and the newly launched Lavida. 3. Models produced by Volkswagen Germany: Touareg, Phaeton, Beetle, and other non-domestically produced Volkswagen models.
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What are the procedures for transferring a private car from one individual to another?

To transfer vehicle ownership, it is necessary to prepare relevant materials and complete the transfer procedures at the vehicle management office in order to comply with legal regulations. The following are the relevant materials for vehicle transfer: 1. Basic introduction: Vehicle transfer refers to changing the name of the vehicle owner. Besides checking the condition of the car when buying a used car, the most important step is to complete the transfer procedures, the purpose of which is to change the vehicle owner. The handling unit is the vehicle management authority; 2. Principle: The vehicle registration mainly records the owner and address of the car, as well as some relevant car parameters. A transferred car proves that the car belongs to you and has no accidents or violations. When there are problems with the vehicle, such as car accidents, failure to participate in annual inspections, stolen vehicles, smuggled vehicles, etc., the transfer cannot be completed through normal procedures.
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How to Reset the Maintenance Light on a Great Wall Haval H2?

The method to reset the maintenance light on a Great Wall Haval H2 is as follows: 1. Turn off the ignition switch; 2. Press and hold the trip meter reset button on the combination meter; 3. Turn on the ignition switch; 4. The odometer display will begin a countdown, and when it shows 0000.0, release the button. Taking the Haval H2 2018 model as an example, its body dimensions are: length 4365mm, width 1814mm, height 1710mm, with a wheelbase of 2560mm. The Haval H2 2018 model is equipped with a 1.5T turbocharged engine, delivering a maximum power of 110kW and a maximum torque of 210Nm, paired with a 6-speed manual transmission.
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