Can I switch from 95 to 92 after using 95 for a year?

1 Answers
VanDallas
07/30/25 6:19am
It is not recommended to switch from 95 to 92 after using 95 for a year, as it may cause knocking, insufficient power, and increase the frequency of knocking, which will aggravate engine wear. Therefore, it is recommended to refuel according to the engine's compression ratio or the requirements of the car's user manual. Isooctane value ratio: The isooctane value ratio of 92 gasoline is much lower than that of 95 gasoline. The higher the octane number, the higher the isooctane value. Isooctane value and anti-knock performance: The higher the isooctane value ratio, the better the anti-knock performance of the gasoline, and it has a greater restraining effect on the formation of carbon deposits after combustion.
Was this review help?
18
1
Share
More Forum Discussions

What Causes the Clicking Sound in Magotan's Engine?

Magotan's engine making a clicking sound is a cold start noise. The following are the reasons for cold start noise: 1. The oil pump has not fully established oil pressure during cold start, causing insufficient lubrication of components. 2. Abnormal noise from the carbon canister purge solenoid valve: The noise from the carbon canister purge solenoid valve is caused by intermittent switching responses when the fuel is opened, which is a normal phenomenon. Below is an introduction to the working principle of the carbon canister purge solenoid valve: 1. Carbon canister: The evaporative emission control system has an activated carbon storage canister. Fuel vapor from the fuel tank enters the carbon canister through the pipe marked TANK. Liquid fuel entering the carbon canister is stored in the reservoir at the bottom of the carbon canister to protect the activated carbon base in the upper part of the carbon canister, while the fuel vapor is absorbed by the activated carbon. 2. Working principle and location of the carbon canister purge solenoid valve: The carbon canister purge solenoid valve controls the purging effect of the carbon canister through the modulation of electrical pulse width. The ECU computer, based on different engine operating conditions, grounds the solenoid valve circuit at a certain frequency to turn it on or off. The ECU computer controls the vacuum of the purging carbon canister by operating a normally closed solenoid valve.
19
4
Share

Can the car still move if the clutch plate is broken?

No, immediate repair is needed. The clutch plate is damaged due to abnormal friction, which generates high temperatures. Below is relevant information: 1. Introduction: The car clutch is located inside the flywheel housing between the engine and the transmission. The clutch assembly is fixed to the rear plane of the flywheel with screws, and the output shaft of the clutch is the input shaft of the transmission. During driving, the driver can press or release the clutch pedal as needed to temporarily separate or gradually engage the engine and transmission, thereby cutting off or transmitting the power from the engine to the transmission. 2. Usage process: When lifting the clutch pedal, the operating principle of "one fast, two slow, three linkage" should be followed. When starting, the action of pressing the clutch pedal should be swift and decisive, pressing it all the way down to ensure complete separation of the clutch.
20
4
Share

What are the speed limits for the two lanes?

The leftmost high-speed lane on the two-lane highway has a speed limit of 100-120 km/h, while the middle lane has a speed limit of 60-100 km/h. Below is relevant information: 1. Speed limit regulations: Strictly adhere to the highway speed limit regulations to avoid accidents caused by speeding. Driving too slowly can hinder the normal flow of other vehicles. During rainy or snowy conditions, reduce your speed accordingly. 2. Maintain distance: Maintain a safe longitudinal distance between vehicles. Generally, on dry roads with good braking conditions, the distance (in meters) should not be less than the speed (in km/h). Always pay attention to roadside distance markers. During rain, fog, snow, or wet road conditions, the distance should be more than doubled.
1
0
Share

How Long Can You Drive with Low Coolant Level?

You should not continue driving. You can safely pull over to the side of the road. The functions of coolant are as follows: 1. Anti-boiling: Coolant that meets national standards typically has a boiling point exceeding 105°C, higher than water's boiling point of 100°C. This allows coolant to withstand higher temperatures without boiling (overheating), meeting the cooling needs of high-load engines to some extent. 2. Anti-freeze: In extremely low temperatures, coolant prevents the vehicle's cooling system from freezing. Generally, common antifreeze solutions have freezing points between -20°C and -45°C, and are selected based on regional requirements to meet operational needs.
19
0
Share

How many cylinders does the Chevrolet Cavalier engine have?

The Chevrolet Cavalier engine comes in two variants: a three-cylinder and a four-cylinder. It is an engine jointly produced by SAIC Group and General Motors. The Chevrolet Cavalier 1.0T engine, codenamed LJI, has a maximum output power of 116 horsepower (85 kW). The 1.5L DVVT inline four-cylinder engine has a maximum rated power of 83 kW at 6000 rpm and a maximum torque of 141 Nm at 4000 rpm. For daily maintenance of the Chevrolet Cavalier engine, the following methods can be used: Use lubricating oil of the appropriate quality grade. For gasoline engines, select SD--SF grade gasoline engine oil based on the additional equipment of the intake and exhaust systems and usage conditions. For diesel engines, choose CB--CD grade diesel engine oil according to mechanical load, ensuring the standard is not lower than the manufacturer's requirements. Regularly change the oil and oil filter. The quality of any grade of lubricating oil will degrade over time. After a certain mileage, performance deteriorates, leading to various engine issues. To avoid malfunctions, change the oil regularly based on usage conditions and maintain an appropriate oil level. When oil passes through the fine pores of the filter, solid particles and viscous substances accumulate in the filter. If the filter becomes clogged and oil cannot pass through, it may rupture the filter or open the safety valve, allowing dirty oil to bypass the filter and return to the lubrication system, accelerating engine wear and increasing internal contamination. Regularly clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls. These mix with metal particles from wear, forming sludge. Small amounts remain suspended in the oil, while larger amounts precipitate, clogging filters and oil passages, making lubrication difficult and causing wear. Periodically use a radiator cleaner to flush the radiator. Removing rust and scale not only ensures the engine operates properly but also extends the overall lifespan of the radiator and engine.
20
1
Share

How many cylinders does the Tacqua engine have?

The Tacqua is equipped with a 1.2T turbocharged 4-cylinder engine, produced domestically using Volkswagen technology. The Volkswagen Tacqua features a 1.2T turbocharged engine, model EA211, with a maximum power of 85kW and a maximum torque of 200Nm, paired with a 5-speed manual transmission. For the Volkswagen Tacqua's engine, the following maintenance methods can be used daily: Use lubricating oil of appropriate quality grade. For gasoline engines, select SD--SF grade gasoline engine oil based on the additional devices of the intake and exhaust systems and usage conditions; for diesel engines, choose CB--CD grade diesel engine oil according to mechanical load, with the selection standard not lower than the manufacturer's requirements; Regularly change the oil and filter. The quality of any grade of lubricating oil will change during use. After a certain mileage, performance deteriorates, leading to various engine problems. To avoid malfunctions, change the oil regularly based on usage conditions and maintain an appropriate oil level; As oil passes through the fine pores of the filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter is clogged and oil cannot pass through the filter element, it may rupture the filter element or open the safety valve, bypassing the filter and carrying contaminants back to the lubrication area, accelerating engine wear and internal contamination; Regularly clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal particles from component wear to form sludge. A small amount remains suspended in the oil, while a large amount precipitates, clogging filters and oil passages, making engine lubrication difficult and causing wear; Regularly use a radiator cleaner to clean the radiator. Removing rust and scale not only ensures the engine operates normally but also extends the overall lifespan of the radiator and engine.
20
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.