What is the normal data range for ignition advance angle?

1 Answers
MacLeilani
07/30/25 1:47am
The normal range for ignition advance angle is between 6 to 12 degrees. The ignition advance angle refers to the crankshaft rotation angle from the moment the spark plug fires (before the engine piston reaches the compression top dead center) until the piston actually reaches the compression top dead center. The ignition advance angle system consists of three components: microcomputer, various sensors, and ignition actuator. Factors affecting engine ignition advance angle include: 1. Engine speed; 2. Load; 3. Octane number; 4. Combustion chamber shape; 5. Combustion chamber temperature; 6. Air-fuel ratio; 7. Atmospheric pressure; 8. Coolant temperature.
Was this review help?
11
4
Share
More Forum Discussions

How to Deal with Scratches on a White Car?

Treatment methods are as follows: 1. First, carefully wipe the scratch and the surrounding paint with a chamois cloth, then apply everyday toothpaste to the scratched area. Ensure the application is even, and reapply after rain or car washing. Note that applying toothpaste to the scratch only provides temporary protection and prevents rusting. 2. Start by sanding with very fine-grit sandpaper, sanding in straight lines to remove rust spots and toothpaste, then apply a thin, even layer of primer. After the primer dries, sand it smooth. 3. Carefully apply two layers of masking tape along both sides of the scratch, exposing only the scratch. It's best to apply multiple layers of tape. Be meticulous when applying to fully enclose the scratch, ensuring optimal touch-up results. 4. If the car came with a small can of original paint, apply it evenly over the primer with care. 5. If original paint is unavailable, use a touch-up pen. Shake the pen thoroughly before use and apply multiple coats, waiting 5-10 minutes between each. Once completely dry, sand smooth with sandpaper.
14
1
Share

How to open the trunk of the Changan CS55 in the car?

The methods to open the trunk of the Changan CS55 are as follows: 1. On the driver's door panel, or below the left side of the steering wheel, or by using the trunk button on the key, press and hold for 2-3 seconds to open. If the smart key is not nearby and remote opening is not possible, press and hold the trunk button on the key for 2 seconds to open. As for how to close the trunk lid, simply push it gently until it latches. 2. Many car owners have reported issues with the trunk lid not staying closed. Some have found that after closing the trunk lid, it pops back open and an alarm sounds. This is likely because the car key was left inside the trunk, which is a protective measure to prevent the key from being locked inside the car.
12
4
Share

What lights to use when turning at an intersection at night?

When making a left turn at an intersection at night: Turn on the low beam headlights and the left turn signal. Precautions for left turns: At intersections with a left-turn waiting area, when both the straight and left-turn directions are red, left-turning vehicles should stop behind the stop line and must not enter the left-turn waiting area. When the straight direction is green and the left turn is red, left-turning vehicles can enter the left-turn waiting area to wait. Traffic lights: Also known as traffic signals, they indicate whether vehicles and pedestrians can proceed. They are usually installed at intersections and other locations requiring traffic control, typically consisting of red, green, and yellow lights. A red light means stop, a green light means go, and a yellow light means caution.
18
2
Share

What Causes Engine Belt Idling?

Reasons for engine belt idling: Low battery power: The fault can be resolved by charging or directly replacing the battery. Starter damage: Due to coil aging and insufficient torque, even with sufficient power, the starter lacks the strength to turn the engine, necessitating the replacement of the starter assembly. Below is extended information about the engine: Energy conversion: An engine is a machine capable of converting other forms of energy into mechanical energy, including internal combustion engines (reciprocating piston engines), external combustion engines (Stirling engines, steam engines, etc.), jet engines, electric motors, etc. For example, internal combustion engines typically convert chemical energy into mechanical energy. Device: An engine can refer to both a power generation device and the entire machine including the power device (e.g., gasoline engines, aircraft engines). The engine was first developed in the UK, so the concept of the engine also originates from English, with its original meaning referring to a "mechanical device that generates power."
4
3
Share

Can You Practice Subject 2 at Night?

You can practice Subject 2 at night. The latest time for driving school practice is 7 PM. When reversing into the garage, pay attention to controlling the speed: Reversing into the garage is the first item in the Subject 2 test. Students should learn to master the clutch and find the right timing to turn the steering wheel. Properly control the clutch, reduce the speed, find the correct reference points, and turn the steering wheel in time. However, the speed should not be reduced too much, otherwise it may lead to stopping midway. When stopping, remember to shift to neutral and start within 30 seconds. When parallel parking, find the right reference points: Control the distance between the car and the curb within 30 cm and find the right reference points. Always observe the distance between the wiper and the side line. When turning the steering wheel, be quick and decisive. At the dead point, remember to control the clutch, otherwise stopping midway may occur. Remember to turn on the turn signal when exiting the garage. When driving on curves, adjust the car body slowly: Accurately grasp the position of the entire car through the rearview mirror, find the reference points, and control the speed appropriately. When the car body exits the garage, adjust the direction appropriately, and never let the wheels press the line.
2
3
Share

Do Car Lights Turn On Automatically at Night?

Car lights do turn on automatically at night. This feature is commonly referred to as automatic headlights. When the ambient light outside the vehicle dims in the evening or when the car passes through poorly lit areas such as tunnels, the vehicle's sensor system automatically detects the change and controls the headlights to turn on. Automatic Headlights in Cars: Automatic headlights are a convenience feature installed by car manufacturers, incorporating a light-sensing control system in the front headlights. When the driving conditions become darker, the headlights automatically illuminate, and they turn off when the light brightens. Drivers simply need to turn the light switch to the AUTO position, and the vehicle will accordingly activate the high or low beams or turn them off, making it very convenient for entering and exiting tunnels and garages. Correct Usage of Car Lights: Turning the left light control switch forward one notch activates the parking lights, turning it forward two notches turns on the low beams, pushing the light control lever forward once activates the high beams, and lifting the lever forward once turns on the right turn signal. During nighttime driving, the low beams should be used, and high beams must not be used when driving closely behind or in front of another vehicle.
8
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.