What Causes the Engine Yellow Light to Illuminate After Filling Up a Full Tank of Gas?

Can 92 and 95 Octane Gasoline Be Mixed Together?

92 octane and 95 octane gasoline should not be mixed. If you accidentally fill up with the wrong gasoline grade occasionally, simply switch back to the correct grade after using it up. However, prolonged use of the wrong gasoline grade can have the following effects: For vehicles designed for lower octane fuel, accidentally using higher octane gasoline will not cause damage. However, the increase in octane rating will alter the fuel's ignition point, leading to delayed combustion in the engine. This results in reduced engine power output and thermal efficiency, with the actual driving experience being poorer performance; For vehicles designed for higher octane fuel, using lower octane gasoline can cause engine knocking. Because the octane rating is significantly lower, the reduced ignition point causes premature ignition during the compression stroke. If the fuel combusts before the spark plug fires, resistance occurs during the upward stroke. This resistance makes the engine run very unevenly. If the knocking is imperceptible, it may only increase noise without obvious engine damage. However, noticeable knocking indicates severe engine conditions, where vibrations not only affect driving stability but also cause abnormal wear on pistons and cylinders, potentially leading to cylinder scoring in severe cases. Besides checking the recommended gasoline grade in the vehicle's manual, you can also find it labeled on the fuel filler cap. Typically, the gasoline grade can also be determined by the engine's compression ratio. Vehicles with compression ratios between 8.6-9.9 should use 92 octane gasoline, while those between 10.0-11.5 should use 95 octane. Higher compression ratios may require 98 octane. However, with modern technologies, the compression ratio alone cannot determine the required gasoline grade, as high-compression engines can be tuned to use lower octane fuel. Other factors, such as ignition timing, turbocharging technology, and Atkinson cycle technology, also play a role. Generally, higher octane gasoline has a higher octane rating and better anti-knock properties. 92 octane gasoline contains 92% isooctane and 8% n-heptane, while 95 octane gasoline contains 95% isooctane and 5% n-heptane.

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What is a Horizontally Opposed Engine?

Horizontally opposed engine refers to an engine where the pistons are evenly distributed on both sides of the crankshaft and move horizontally left and right. This design reduces the overall height and length of the engine, lowers the vehicle's center of gravity, and makes driving more stable. The horizontally opposed engine is installed on the vehicle's centerline, and the torque generated by the pistons on both sides cancels each other out, reducing vibration during driving, improving engine speed, and reducing noise. The characteristics of a horizontally opposed engine include: 1. The lateral vibration generated is easily absorbed by the mounts, achieving overall balance; 2. The piston movement is well balanced, ensuring smooth engine operation.

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What are the differences between the Lamando 230 and 280?

The differences between the Lamando 230 and 280 are: 1. Different torque: The Lamando 230 has a torque of 225nm, while the 280 has a torque of 230nm. 2. Different engine models: The Lamando 230 uses the EA211-CST engine, while the 280 uses the EA211-DJS engine. 3. Different transmission types: The Lamando 230 is equipped with a 5-speed manual transmission, while the 280 has a 7-speed dual-clutch transmission. 4. Different maximum horsepower: The Lamando 230 has a maximum horsepower of 131ps, while the 280 has a maximum horsepower of 150ps.

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What tires does the Fit use?

The Fit uses Michelin tires. The functions of tires are: 1. To support the entire weight of the vehicle and bear the load of the car; 2. To transmit traction and braking torque, ensuring the adhesion between the wheels and the road surface; 3. To reduce and absorb the vibration and impact force during driving, preventing severe vibration and early damage to car components; 4. To adapt to the high-speed performance of the vehicle and reduce driving noise, ensuring driving safety, handling stability, comfort, and energy efficiency. Taking the 2021 Fit as an example, it is a compact car equipped with a 1.5L naturally aspirated engine, with a maximum horsepower of 131 PS, a maximum torque of 155 Nm, and a maximum power of 96 kW.

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What does mph on the dashboard mean?

mph on the dashboard is a speed measurement unit, indicating miles per hour. The dashboard indicator lights and their functions are as follows: 1. Engine warning light: Indicates engine malfunction; 2. Battery indicator: Signals depleted battery or alternator failure; 3. Oil pressure warning light: Indicates insufficient oil level; 4. Coolant temperature warning light: Signals overheating coolant; 5. Tire pressure warning light: Indicates abnormal tire pressure; 6. ABS warning light: Signals anti-lock braking system malfunction; 7. Antifreeze warning light: Indicates low antifreeze level; 8. Door ajar warning light: Signals unclosed doors; 9. Brake fluid warning light: Indicates insufficient brake fluid level.

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What are the reasons why a vehicle cannot accelerate?

The reasons why a vehicle cannot accelerate are: 1. Damaged spark plugs; 2. Poor fuel quality; 3. Unstable oil pressure. Precautions for pressing the accelerator pedal are: 1. Press and release the accelerator pedal gently, ensuring a smooth and gradual movement; 2. Releasing the clutch should be closely coordinated with pressing the accelerator pedal, with swift actions; 3. Choose the appropriate gear to keep the engine running mostly at medium speed and with a larger throttle opening to save fuel; 4. Before driving or turning off the engine, release the accelerator pedal first and avoid revving the engine abruptly. The working principle of the accelerator is: Pressing the accelerator pedal directly controls the throttle valve, increasing its opening, which allows more air to enter the engine. At this point, the ECU commands the fuel injection system to inject more fuel, causing the engine speed to rise and the vehicle to accelerate.

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What Causes the Engine Yellow Light to Illuminate After Filling Up a Full Tank of Gas?

Can 92 and 95 Octane Gasoline Be Mixed Together?

What is a Horizontally Opposed Engine?

What are the differences between the Lamando 230 and 280?

What tires does the Fit use?

What does mph on the dashboard mean?

What are the reasons why a vehicle cannot accelerate?

Can Turbocharged Engines Use 92 Octane Gasoline?

Can Fuel Savers Really Save Fuel?

Why Can't Refrigerant Be Added to the Car Air Conditioner?

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