What are the effects of using low-quality diesel on vehicles?

1 Answers
MaximusAnn
07/30/25 7:46am
Using low-quality diesel can lead to clogged diesel filters, injector nozzle blockages, and engine carbon buildup. The following are the impacts of using low-quality diesel: 1. Diesel filter clogging: Prolonged use of low-quality diesel causes impurities in the fuel to adhere to and clog the diesel filter, resulting in poor fuel supply and reduced power. This not only shortens the replacement cycle of the diesel filter but may also damage the fuel pump due to impurity blockages. 2. Injector nozzle clogging: Some impurities in low-quality diesel adhere to the diesel filter, while others bypass the filtration and directly pass through the injector nozzle. Over time, the injector nozzle will also become clogged, affecting vehicle performance and causing premature failure of the injector nozzle. 3. Engine carbon buildup: Impurities in impure diesel fuel turn into carbon deposits inside the engine cylinders after combustion. Excessive carbon deposits can lead to unstable idling, weak acceleration, and increased fuel consumption.
Was this review help?
1
1
Share
More Forum Discussions

Are All Dual-Clutch Transmissions Automatic?

All dual-clutch transmissions are automatic. The specific introduction about dual-clutch is as follows: 1. Dual-clutch is a mechanical automatic transmission: it does not have a clutch pedal. 2. Dual-clutch transmissions are different from ordinary automatic transmission systems: they are based on manual transmissions but belong to automatic transmissions, providing both the flexibility of manual transmissions and the comfort of automatic transmissions, as well as uninterrupted power output. 3. Automatic transmissions do not require the driver to shift gears manually: the vehicle will automatically select the appropriate gear based on the driving speed and traffic conditions.
5
5
Share

What are the differences between the GS4 and GS5?

The Trumpchi GS4 and GS5 are both equipped with a 1.5T turbocharged engine. The differences between the Trumpchi GS4 and GS5 are as follows: 1. Different tire specifications: The Trumpchi GS4 has tire specifications of 225/60R17; the GS5 has tire specifications of 235/50R19. 2. Different body dimensions: The Trumpchi GS4 has a body length, width, and height of 4545mm, 1856mm, and 1668mm respectively; the GS5 has a body length, width, and height of 4695mm, 1885mm, and 1726mm respectively. 3. Transmission: The GS4 has a 7-speed gearbox with smooth shifting, while the GS5 has a 5-speed gearbox with slight shifting jerkiness.
13
5
Share

Where is the cigarette lighter fuse located in the Nissan Patrol?

Nissan Patrol's cigarette lighter fuse is located at the lower left side of the steering column. Here are some key points about the cigarette lighter: 1. The cigarette lighter operates at 12 volts: This matches the vehicle's battery voltage. Typically, the cigarette lighter has a dedicated power line connected to it, separate from other circuits, hence it has an independent fuse. 2. Correct usage method of the cigarette lighter: Insert and remove it vertically without shaking. Frequent wiggling during removal can cause loosening and short circuits, potentially burning out the fuse and external devices. 3. The outer metal shell of the cigarette lighter serves as the negative terminal, while the central heating element is the positive terminal.
13
4
Share

What Does the Triangle with an Exclamation Mark on the Car Dashboard Mean?

A triangle with an exclamation mark on the dashboard is a general fault indicator. Other exclamation mark symbols on the dashboard include: a yellow exclamation mark inside parentheses, which is the tire pressure monitoring indicator, indicating insufficient tire pressure; a yellow exclamation mark inside a gear, which is the automatic transmission fault warning light, indicating a transmission issue, low transmission fluid, or the need for fluid replacement. When a car fault light comes on, it is necessary to visit a 4S store or a professional repair facility to read the fault code and identify the specific cause and location of the fault. The reasons for the general fault indicator light coming on are as follows: Overheating of the clutch in a dry dual-clutch transmission. Intervention or malfunction of the fuel cut-off system. Issues with the parking sensors. Abnormal external light circuits. Malfunction of the engine oil pressure sensor. Car fault lights can be categorized as follows: Engine fault indicator: Displays the working condition of the vehicle's engine. Oil indicator: Shows the oil pressure during engine operation. Coolant temperature indicator: Displays the circulating temperature of the coolant in the engine. ABS indicator: Shows the operational status of the anti-lock braking system. Airbag indicator: Indicates the working status of the airbags.
7
1
Share

How to Replace the Coolant in a Haval H2?

Haval H2 coolant replacement method is as follows: Before completely replacing the coolant, conduct a thorough inspection to check for any signs of leakage or cracks in the pipes, with a special focus on the five-way water pipe. The five-way pipe gets its name from having five interfaces that connect to various parts. The coolant flows through the five-way pipe and is then distributed to different parts of the car to function. If there is any sign of coolant leakage in this part, replace the water pipe or re-secure the interface as needed. Drain the old coolant, then flush the liquid channels with clean water. Add clean water to the coolant reservoir, then continue to pour water into the reservoir to allow it to continuously flow through the engine cooling system. Start the engine and let it idle for 3 to 5 minutes to circulate the water. The water initially flowing out of the reservoir may have a faint pink color. Continue adding clean water until clear water flows out. Note: Don’t forget to remove the heater hose and drain the water from the heater core. After draining for about an hour, add the new coolant through the radiator hose, which allows the coolant to flow into the radiator quickly. Then, add another bottle of coolant to the coolant reservoir until it is nearly full. Start the engine and let it run for about 10 minutes. During this time, the coolant level will drop slightly as air is purged from the cooling system. Add more coolant until it reaches the "MAXT" mark on the reservoir.
11
4
Share

What is the difference between major maintenance and minor maintenance?

The differences between major maintenance and minor maintenance are as follows: 1. "Minor maintenance" generally refers to routine maintenance items performed when the vehicle has not traveled a long distance to ensure its performance. It mainly includes oil change, oil filter replacement, and routine inspections. 2. "Major maintenance" is relative to minor maintenance. In addition to oil change, it also requires the replacement of the three filters and spark plugs: the three filters refer to the air filter, oil filter, and fuel filter. Filters are used to remove impurities, with the three filters respectively filtering dust in the air, sludge and carbon deposits in the oil, and impurities in the fuel.
6
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.