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What Causes the Increase in Engine RPM When Going Downhill?

1 Answers
SabrinaDella
07/24/25 10:46pm
When a car goes downhill without applying the brakes, the speed continuously increases, leading to higher engine RPM, which naturally results in louder engine noise. Therefore, if you don't use the brakes to limit speed while descending, this situation is normal. For automatic transmission cars, you can apply the brakes when going downhill. If the slope is not very steep, using the D (Drive) gear and applying the brakes is sufficient. For steeper or longer slopes, it is recommended to use the L (Low) gear. Some automatic transmission cars may not have this gear. In such cases, when going downhill, you should shift from D gear to L gear or 1st gear. For cars with a manual/automatic transmission, you can use the manual mode to downshift to 1st gear for coasting.
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The Toyota Highlander has a body length of 4890mm, a width of 1925mm, a height of 1720mm, and a wheelbase of 2790mm, making it a mid-size SUV. Below are some relevant details about the Toyota Highlander: 1. In terms of power, the Toyota Highlander is equipped with a 2.0T turbocharged, direct-injection engine with a maximum power output of 175 kW and a maximum torque of 350 Nm. 2. Regarding the suspension, the rear suspension of the Toyota Highlander adopts a double-wishbone independent suspension, which is an improvement based on the double-link suspension. 3. In terms of appearance, the Toyota Highlander features triangular headlights, a hexagonal front grille design, an integrated Toyota emblem with thick chrome decorations, and fog lights embedded with chrome elements.
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What Causes the Exclamation Mark to Appear on the Car Dashboard?

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How many kilometers does the engine of the new Santana need to be repaired after converting to natural gas?

New Santana needs to repair the engine after converting to natural gas at 1500 kilometers. Definition of natural gas vehicles: Natural gas vehicles use natural gas as fuel to provide power. Natural gas contains more than 90% methane, making it an excellent fuel for car engines. Natural gas vehicles have been widely promoted and applied in various provinces and cities in China and around the world. Natural gas vehicles are gas-fueled vehicles that convert from gasoline to natural gas. Natural gas generally contains more than 90% methane, making it an excellent fuel for car engines. Advantages of converting to natural gas: Natural gas easily mixes with air in the engine, burns more completely and cleanly, is less likely to produce carbon deposits, has good anti-knock performance, and does not dilute lubricating oil. As a result, the wear and tear on engine cylinder parts is greatly reduced, extending the engine's lifespan and the usage period of lubricating oil.
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