What is the cause of P0505 idle control system malfunction?

What to Do When the Car Cannot Detect the Smart Key?

When a car cannot detect the smart key, it is generally due to one of the following four situations: 1. The key's transmitter is damaged. 2. The car's receiver is damaged. 3. The door lock is damaged. 4. The key's battery is dead. Here are the steps to handle this issue: 1. First, most smart car keys come with a mechanical key, which can be either a conventional mechanical key or a hidden one. The conventional key is easier to access—usually, there is a button on the key that can be pressed to release it directly, allowing you to open the car door. However, the hidden key is not easily visible, but there is usually a safety switch on the back of the smart key. Slide it open to pull out the backup mechanical key. 2. Next, the car's anti-theft alarm system might be triggered, so be mentally prepared and stay calm. If the alarm goes off, try pressing the unlock button. If the battery still has some charge, this might deactivate the alarm. If the alarm does not turn off, you will need to open the car door and start the vehicle to deactivate it. 3. Finally, when the smart key's battery is dead, the transmitted signal strength will be very weak, and pressing the start button will not work. If there is even a slight amount of battery power left, the smart key can still emit a faint signal. If the car still won't start, you will need to locate the car's internal sensor and place the key on it.

2

0

Share

What Causes a Weak Sound When Starting the Car?

Car starting sound feeling weak may be due to the following reasons: 1. Battery charge: Nowadays, most cars use maintenance-free batteries, but it's still necessary to regularly check the charge indicator: ① Green indicates normal charge ② White indicates the need for charging and maintenance ③ Red indicates the battery is dead (some may display: green for good, black for low charge, white for battery damage requiring replacement). The lifespan of a battery is generally around two years. If the battery charge is found to be low, it should be replaced promptly. 2. Throttle valve body and idle valve: Carbon buildup in the throttle valve body and idle valve can cause starting difficulties. For vehicles with an idle valve, lightly pressing the accelerator while starting can help the engine fire, but releasing the pedal may cause immediate stalling. It's best to have these components cleaned and inspected at a repair shop promptly. Additionally, during maintenance, it's essential to change the air filter frequently. In northern areas with more dust, the air filter should be replaced every 10,000 kilometers, and even more frequently if driving on sandy or dusty roads. 3. Fuel pressure: To ensure normal engine starting, the residual fuel pressure in the fuel system after the engine is turned off should not be below 2.5～3.5 kg/cm². Otherwise, insufficient pressure will prevent the fuel injectors from spraying enough fuel to guarantee startup. Repeatedly turning the ignition switch can restore the fuel pressure to normal, making starting easier. However, it's best to have a professional mechanic inspect the fuel system to identify and fix any issues. 4. Lubricant quality: As winter approaches, it's important to replace all types of lubricants, including engine oil, transmission fluid, and power steering fluid. Regular lubricants become more viscous in winter, reducing fluidity and increasing friction resistance during component movement, which makes cold starts difficult. Choosing slightly less viscous oil can reduce mechanical wear and protect the engine.

5

4

Share

How to Deal with Abnormal Noise from Car Engine Belt in Winter?

Methods to solve abnormal noise from the engine belt: 1. Check whether the bearings of the accessories driven by the belt are damaged, stuck, loose, or if the power of the accessories has increased. 2. Replace the belt, or lightly sand the contact surface between the belt pulley and the belt with No. 100 sandpaper (light sanding is sufficient). 3. As a temporary solution, you can drip 1~2 drops of engine oil on the contact surface between the belt and the pulley (this will not affect the belt slipping). 4. After removing the generator belt, rotate the generator pulley to check if the generator rotates smoothly. If the generator is normal, you can check whether the battery is holding a charge, as a damaged battery can also increase the load on the generator.

6

3

Share

What are the reasons for the GAC GS3 doors not automatically locking?

The auto-lock function is not enabled. The methods and functions of the GAC GS3's auto-lock feature are as follows: 1. Open the central control screen, go to settings, click on 'Smart Body', and then click 'Auto-Lock' to set it up. 2. When the vehicle speed reaches the preset speed by the computer, the lock button will be automatically pressed. 3. When the transmission is shifted to D (Drive) gear, the lock button will be automatically pressed. 4. When the brake pedal is pressed while driving, the doors will automatically lock. 5. If the vehicle continues to drive for 10 seconds, the doors will automatically lock. 6. It provides protection for children inside the car, preventing them from opening the doors while the vehicle is in motion.

20

2

Share

How to Turn on the Car Air Conditioning for Cooling?

To turn on the car air conditioning for cooling, the method varies depending on the type of air conditioning system: 1. Manual Air Conditioning: Turn on the air conditioning switch, press the AC button, and rotate the temperature control to the blue position. 2. Automatic Air Conditioning: Simply press the AUTO and AC buttons to illuminate them. The functions of the air conditioning system are: 1. To cool, heat, ventilate, and purify the air inside the car; 2. To provide a comfortable environment for passengers, reduce driver fatigue, and improve driving safety. Maintenance methods for the air conditioning system include: 1. Regularly clean the air conditioning vents; 2. Maintain the air conditioning condenser in a timely manner; 3. Clean or replace the air conditioning filter element promptly.

20

2

Share

What are the reasons why a Jetta won't start?

Jetta may fail to start due to human operational reasons: dead battery, empty fuel tank, or incorrect gear position. Below are explanations about these causes: 1. Out of fuel: When the fuel gauge shows below the red line, the car naturally won't start. 2. Dead battery: This could be caused by prolonged headlight usage without turning them off, resulting in battery drain, or the battery may have reached the end of its lifespan. It is generally recommended to replace the battery every 2 years. 3. Installing xenon headlights, high-power audio systems, DVD players, etc., can also lead to vehicle circuit malfunctions. Checking for a dead battery is simple—just press the horn. 4. Incorrect gear position: For automatic transmission vehicles, the gear must be in P (Park) or N (Neutral) when starting. If placed in R (Reverse) or D (Drive), the car won't start. Additionally, some manual transmission vehicles won't start if the clutch isn't depressed.

8

1

Share

What is the cause of P0505 idle control system malfunction?

What to Do When the Car Cannot Detect the Smart Key?

What Causes a Weak Sound When Starting the Car?

How to Deal with Abnormal Noise from Car Engine Belt in Winter?

What are the reasons for the GAC GS3 doors not automatically locking?

How to Turn on the Car Air Conditioning for Cooling?

What are the reasons why a Jetta won't start?

Is 95 Octane Gasoline More Fuel-Efficient Than 92 Octane?

How to adjust the clock in a Golf car?

How to Replace the Wiper Blades on a Volkswagen Sagitar?

How to Set the Time on Jetta VS5?