What Are the Effects of Poor Quality Gasoline?

1 Answers
SanMiranda
07/29/25 11:19pm
The effects of poor quality gasoline include: 1. Difficulty starting, or even failure to start; 2. Engine shaking at idle after starting; 3. Obvious vehicle vibration; 4. Unpleasant exhaust odor; 5. Valve noise; 6. Weak acceleration and high fuel consumption; 7. Gear shift impact. Methods to test gasoline quality are: 1. Observe the color of the gasoline; 2. Smell the gasoline; 3. Judge by touch. Gasoline has a high octane rating, which is categorized by octane level into: 89, 90, 92, 93, 95, 97, 98. The higher the number, the stronger the gasoline's anti-knock performance.
Was this review help?
6
4
Share
More Forum Discussions

Is It Illegal to Reset a Car's Odometer?

Whether resetting a car's odometer is illegal depends on the specific circumstances. Determining legality: Many people adjust the odometer to correct mileage or for vehicle maintenance. If the car is for personal use, this is not considered illegal. However, if the odometer is deliberately adjusted to display incorrect mileage to mislead others for fraudulent purposes or to obtain illegal benefits, then it is an illegal act. Opportunities to reset the odometer: A new car's total odometer has one opportunity to be reset, but only once. The total mileage must not exceed 200 kilometers at the time of reset; otherwise, it cannot be reset. It is necessary to confirm which mileage counter is displayed on the screen. After the short-trip mileage appears, press and hold the reset button, and the short-trip mileage counter will be reset to zero.
6
5
Share

Where is the tire pressure monitoring light on the Lavida?

Lavida's tire pressure monitoring light is located above the speedometer on the right side of the instrument panel. The tire pressure monitoring alarm system is enabled by default, and the tire pressure warning light will only illuminate to alert the driver when abnormal tire pressure is detected. If the tire pressure light comes on without reason, the owner can start the vehicle and press and hold the tire pressure monitoring button on the right side of the gear shift lever during the vehicle's self-check to reset the tire pressure light. The Lavida is a sedan produced by Shanghai Volkswagen, which not only maintains the excellent quality of German design but also incorporates many aesthetic concepts reflecting traditional Chinese culture and cutting-edge design elements. In terms of body dimensions, the Lavida measures 4605mm in length, 1765mm in width, and 1460mm in height, with a wheelbase of 2610mm.
8
5
Share

What is the Ford F-150 Raptor?

Ford F-150 Raptor is a Ford pickup truck, known as the Ford Raptor in China. Ford is a world-renowned automobile brand and one of the many brands under the American Ford Motor Company. The company and brand name 'Ford' originates from the surname of its founder, Henry Ford. The Ford Raptor refers to the entire Ford F series, which consists of seven models: F-150, F-250, F-350, F-450, F-550, F-650, and F-750. Taking the F-150 as an example, its body dimensions are 5611mm in length, 2192mm in width, and 1991mm in height, with a wheelbase of 3386mm. In terms of appearance, the F-150 features a massive rectangular honeycomb grille with the Ford logo embedded in the center, combined with the bumper and engine hood, giving the front end a striking and impactful presence.
9
0
Share

How Does an Automotive Fuel Pump Work?

Automotive fuel pump working principle: The fuel pump primarily relies on an electric motor to drive the rotation of turbine blades, utilizing centrifugal force to draw fuel in through the intake port and expel it through the outlet port. Types of automotive fuel pumps: Most modern vehicles use vane-type electric fuel pumps. Vane-type electric fuel pumps offer advantages such as high fuel delivery capacity, stable and high fuel pressure, low noise levels, and long service life. Function of automotive fuel pumps: As the most fundamental component in an engine's fuel supply system, the fuel pump is responsible for extracting fuel from the tank during engine operation and continuously delivering it at a certain pressure through the fuel supply lines to the engine. The fuel then undergoes secondary pressurization by a high-pressure fuel pump before being distributed in precise quantities to each cylinder according to the engine's firing sequence.
8
2
Share

What Causes the Abnormal Noise When the Car's Air Conditioner Resonates?

Car air conditioner resonance causing buzzing noise may be due to reasons such as a damaged air conditioner blower. Air Conditioner Blower: It could be a faulty bearing in the air conditioner blower. Solution: Replace the air conditioner blower. Air Conditioner Compressor: Loose mounting bracket or damage to the compressor. Solution: Replace the air conditioner compressor. Motor Damage: Damaged motor in the air conditioner's exhaust fan. Solution: Replace the exhaust fan motor or the entire exhaust fan. Deformed Blades: Deformed blades in the air conditioner's exhaust fan. Solution: Replace the exhaust fan. Excessive Dirt: Excessive dirt inside the air conditioner. Solution: Clean the air conditioner.
11
1
Share

How to align the timing of a Cummins rear-mounted single camshaft?

To align the timing of a Cummins rear-mounted single camshaft, first determine the top dead center of the first cylinder. Then, remove a screw at the left end of the cylinder block and replace it with a longer screw to secure the crankshaft. If this doesn't work, find another way to fix the crankshaft in place. Next, observe the ends of the two camshafts and insert a hacksaw blade to prevent the camshafts from moving. Finally, align the timing marks on the crankshaft gear and camshaft gear. Relevant information is as follows: Function: The timing chain, also known as the engine timing belt, primarily drives the engine's valve train, ensuring that the intake and exhaust valves open and close at the correct times to allow normal air intake and exhaust in the engine cylinders. Composition: In some vehicle models, such as the Volkswagen Jetta (EFI), Santana 2000, Bora, and Audi, the timing belt also drives the water pump.
20
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.