···
Log in / Register

What's the reason for the Fengguang 580 engine anti-theft authentication failure?

1Answers
MacSophie
09/06/2025, 03:09:30 AM

Fengguang 580 engine anti-theft authentication failure indicates that the engine anti-theft system has malfunctioned, requiring computer decoding for re-matching. Below is an extended introduction: Powertrain: The Fengguang 580 offers two powertrain options: 1.8L and 1.5T. The test drive model is equipped with a 1.5T turbocharged gasoline engine, model SFG15T, with a maximum power of 150 horsepower (110 kW) and a peak torque of 220 Nm, paired with a 6-speed manual transmission from Chongqing Qingshan. The 1.8L model comes with a 5-speed manual transmission. Theoretically, the 6-speed offers better fuel economy than the 5-speed. According to the manufacturer, the turbocharger used in the 1.5T engine starts to engage at 1200 rpm and fully opens at 1800 rpm.

Was this review help?
113
Share
More Q&A

What Causes Increased Fuel Consumption After Replacing Spark Plugs?

Reasons for increased fuel consumption after replacing spark plugs are as follows: Loose spark plugs: When encountering increased fuel consumption after replacing spark plugs, most car owners tend to blame the spark plugs themselves. However, the real issue is often that the spark plugs were not tightened properly during installation. This can lead to leakage of high-pressure gases, resulting in reduced cylinder pressure. The engine then struggles to perform efficiently, leading to unstable idling or frequent stalling, which naturally increases fuel consumption. In severe cases, this may even damage the engine. Excessive engine oil: During spark plug replacement, if too much engine oil is added for various reasons, it can also cause increased vehicle fuel consumption. Excessive oil can submerge the crankshaft, leading to increased resistance. The engine then requires more power to compensate, resulting in higher fuel consumption. This situation has no direct relation to the spark plugs. Poor quality or incorrect spark plug type: Purchasing inferior quality spark plugs or using spark plugs with incorrect specifications can both lead to increased fuel consumption.
115
Share

Is Coasting in Neutral Downhill Allowed?

Coasting in neutral downhill is not recommended. Here are the hazards associated with coasting in neutral: Loss of Control: When coasting in neutral, the car loses the engine's braking effect. During downhill driving, gravity causes the car to accelerate continuously. Without the engine's braking assistance, the braking distance increases significantly, reducing the effectiveness of the brakes and putting the vehicle in a state of loss of control. Engine Stalling: Coasting in neutral increases the likelihood of the engine stalling. If the engine stalls, the car will immediately lose power steering and brake assist, leading to complete loss of control with potentially catastrophic consequences.
118
Share

What is the difference between a rich mixture and a lean mixture?

The difference between a rich mixture and a lean mixture is excessive fuel injection and insufficient fuel injection. The phenomena of rich and lean mixtures are introduced as follows: Phenomena of a rich mixture: Difficulty in starting the engine, insensitive acceleration, black smoke from the exhaust pipe accompanied by abnormal noise. After the engine is turned off, gasoline leaks from the throttle shaft, and the engine lacks power with increased fuel consumption. Phenomena of a lean mixture: The engine is hard to start, idle operation is unstable and prone to stalling, a feeling of insufficient power while driving, and in severe cases, the vehicle stops. When the engine is under no load, pressing the accelerator pedal does not easily increase the speed, the carburetor experiences backfiring, and the engine is prone to overheating.
117
Share

Do pickup trucks have a mandatory scrapping age limit?

Currently, pickup trucks are still subject to the mandatory scrapping regulation of 15 years or 600,000 kilometers. Below is an introduction to relevant knowledge about pickup truck scrapping: 2019 New Regulations on Pickup Truck Scrapping: At present, pickup trucks still follow the mandatory scrapping rule of 15 years or 600,000 kilometers. However, some regions are gradually lifting the 15-year scrapping rule for pickups, meaning household pickup trucks may not have a scrapping age limit. Subsidies: The maximum subsidy for scrapping a diesel pickup truck can reach up to 40,000 yuan per vehicle. Some areas still implement the scrapping subsidy standards for National III vehicles, while in regions with favorable conditions, owners who scrap National III and below emission standard vehicles and purchase new cars may receive appropriate subsidies through market trading platforms.
115
Share

What does automatic anti-glare for the interior rearview mirror mean?

Automatic anti-glare for the interior rearview mirror refers to the feature that allows the rearview mirror inside the car to remain functional even when there is light shining from behind. Below is an introduction to the function and principle of automatic anti-glare: Function of automatic anti-glare: The main function of automatic anti-glare is to prevent the strong headlights of vehicles behind from reflecting off the interior rearview mirror and affecting the driver's attention, avoiding the reflected strong light from shining directly into the driver's eyes. Principle of automatic anti-glare: When the headlights of a vehicle behind shine on the interior rearview mirror, the signals from two photodiodes are compared to determine if the light from behind is stronger than the light from the front. If the difference in light exceeds a set standard, an electric current is applied to the glass mirror, changing it from its normal transparent state to a dark green color. This causes the mirror to absorb a significant portion of the strong light coming from behind, effectively reducing reflectivity and eliminating glare.
118
Share

Is Automatic Transmission More Fuel-Efficient or Manual Transmission?

It depends on the driver's habits and the vehicle's transmission efficiency. Here are the determining factors: Transmission Efficiency: Manual transmission vehicles perform better, with relatively lower fuel consumption compared to automatic transmission vehicles. This reflects in the fuel efficiency, making manual transmissions more economical. Transmission Structure: The internal structure of a manual transmission is simpler, making it significantly lighter in weight than an automatic transmission. Naturally, heavier vehicles tend to consume more fuel. Driving Habits: Many car owners have poor driving habits, leading to higher fuel consumption regardless of the transmission type. Manual transmission vehicles require a certain break-in period.
101
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.