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What is the Difference Between Single Platinum and Double Platinum Spark Plugs?

1 Answers
VanAiden
07/30/25 2:44am
Single Platinum and Double Platinum Spark Plugs are introduced as follows:1. Different welding materials: Single platinum spark plugs only have electrode-welded platinum sheets, and the side electrodes adopt thickened wedges. Double platinum spark plugs have both center and side electrodes welded with platinum alloy. 2. Performance: Double platinum spark plugs have superior performance compared to single platinum ones. Double platinum spark plugs improve ignition and spark performance, easily stabilizing within the optimal temperature range between self-cleaning combustion and incandescent combustion; expand the thermal range; and have excellent durability. The ignition speed of double platinum spark plugs is faster than that of single platinum spark plugs.
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More Forum Discussions

How to Use the Start-Stop System?

The usage method of the start-stop system is as follows: 1. Turn off the start-stop system during traffic jams: Repeated start-stop not only increases fuel consumption but also adds burden to the engine. In such cases, the engine start-stop system should be turned off immediately. 2. Turn off the start-stop system when going up or down slopes: When the engine starts or stops on a slope, the vehicle may roll when the brake is released, increasing the risk. Therefore, this function should be turned off on slopes. 3. Turn off the start-stop system when using air conditioning for cooling: When the engine stops, the air conditioning also stops cooling to protect the battery. The engine will restart quickly, leading to repeated start-stop cycles. 4. Turn off the start-stop system when wading through water: When a vehicle is wading, the speed is relatively low. If the brake is pressed, the automatic start-stop system will engage, causing the engine to stop. This creates negative pressure in the exhaust pipe, which may lead to water entering the exhaust. 5. Turn off the start-stop system during low-speed parking: The start-stop technology does not activate when the vehicle is in reverse. However, during repeated maneuvering in and out of parking spaces, especially when reversing into a parking spot, the engine may stop while adjusting the distance. Each adjustment could trigger the start-stop system, potentially damaging the vehicle.
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How to Adjust the Headlight Height of the Odyssey?

Odyssey headlight adjustment switch lever is located on the left side of the steering wheel back. The light adjustment lever can control the low beam, high beam, turn signal, width indicator light, and fog light of the headlights. The following is the Odyssey headlight adjustment method: 1. The Odyssey headlights are located at the lower edge of the front engine hood, with a long projection distance. 2. Enter the driver's compartment to see the headlight adjustment lever on the left back of the steering wheel. 3. The default state during the day is to turn off the headlights, that is, adjust the gear to the "OFF" position. 4. The AUTO gear is the automatic light adjustment gear, which can automatically adjust the headlights according to the light. 5. The next gear is the width indicator light gear, which is mainly used to let others see you. 6. The bottom one is the high beam gear switch, and the high beam should be used reasonably. Precautions for using car lights: 1. It is recommended to turn on the front and rear fog lights when driving in foggy or rainy days. 2. Use lights reasonably for lighting when driving at night.
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How to Identify the Letter for China 6 Vehicle Emission Standards?

In China's vehicle emission standards from China 1 to China 5, the corresponding characters are I, II, III, IV, and V respectively, while China 6 is represented as Ⅵ. The implementation of the China 6 emission standard will be divided into two phases: "China 6a" and "China 6b", with corresponding time points on July 1, 2020, and July 1, 2023. In fact, China 6a is only a transitional stage from China 5 to China 6, and by 2023, the China 6 emission standard will be fully implemented. Below are the requirements for the China 6 emission standard: 1. The China 6 standard: The China 6 standard is extremely high and is considered one of the strictest vehicle emission standards globally. Compared to the China 5 emission regulations, China 6 adds limits for nitrous oxide and particulate matter particle counts, and requires a 50% reduction in carbon monoxide content during cold start conditions, a 30% reduction in hydrocarbon content, and a 30% reduction in carbon monoxide content. 2. China 5 vehicles can still be driven after the implementation of China 6 standards: Even after the implementation of the China 6 standard, China 5 vehicles can still be driven on the road, although registration and licensing may become more difficult. For those China 5 vehicles in stock, they will definitely be sold at discounted prices, and the closer the date of China 6 implementation gets, the cheaper they will become.
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Should the AC be turned on when using the car's air conditioning?

When using the car's air conditioning, the AC should be turned on. The car's AC activates the air conditioning compressor. Pressing the AC button starts the compressor, which cools the hot and stuffy summer air, allowing cool air to be blown into the car. The car's air conditioning refrigeration system consists of components such as the compressor, condenser, receiver-drier, expansion valve, evaporator, and blower. Below are some tips for maintaining your car's air conditioning: 1. Comprehensive inspection of the air conditioning system. When using the air conditioning for the first time in summer, inspect the system thoroughly. Check the refrigerant level through the liquid storage tank, see if the air filter is too dirty, and ensure there are no foreign objects in the radiator. 2. Pay attention to cleaning the air conditioning. Regularly replace the air conditioning filter, as spring brings a lot of dust and willow catkins, which can accumulate on the filter and promote bacterial growth, leading to a musty smell in the air conditioning. Additionally, clean the condenser periodically, and for a thorough cleaning, remove the radiator. 3. Regularly run the air conditioning at high fan speed. The air conditioning system can accumulate a lot of dust during use. Running it at high speed periodically helps blow out loose dust from the air ducts, which is a simple way to keep the system clean. Also, use specialized duct cleaning solutions for disinfection, cleaning, and odor removal.
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How to Reset the Maintenance Light on Geely Emgrand GS?

For the manual transmission Geely Emgrand GS, depending on the model year and instrument configuration, there are several methods to manually reset the maintenance light: 1. First Method (1) With the ignition switch turned off, press and hold the trip reset button; (2) Insert the car key and turn it to the position where the instrument lights up, then release the trip reset button and wait for the maintenance light to turn off. 2. Second Method (1) There is a button on the dashboard for adjusting the mileage. Press and hold this button for 2-3 seconds while the engine is idling; (2) Once the maintenance reminder turns off, the maintenance reset is complete. 3. Third Method (1) Turn off the ignition switch; (2) Press and hold both arrow buttons simultaneously, then turn on the ignition switch; (3) After the ignition switch is on for about 3 seconds, release both arrow buttons; (4) The display will then show the maintenance menu, asking if you want to reset; (5) Press and hold the SET (reset) button for more than 3 seconds; (6) Press the MODE button; (7) Turn off the ignition switch to complete the reset.
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What are the exterior dimensions of the Land Cruiser?

The length, width, and height of the Land Cruiser are 5095/1975/1930mm respectively, with a wheelbase of 2850mm. More information about the Land Cruiser is as follows: 1. The Land Cruiser, whose full name is Land Cruiser, is an imported ORV off-road vehicle produced by Toyota. This model has a production history of over 60 years, featuring strong off-road capability and durability. 2. The Toyota Land Cruiser has multiple series models including the 20 series, 40 series, 55 long wheelbase series, 60 long wheelbase series, 70 series, 80 series, 90 series, and 100 series.
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