Can a Car Charge Its Battery by Idling for 15 Minutes?

1 Answers
LeWalter
07/29/25 6:09pm
Car idling for 15 minutes can charge the battery. Car idling refers to a working condition where the engine is running in neutral gear without any load, consuming fuel without moving the vehicle or doing any work, but it can still charge the battery. Charging Precautions: Using a dedicated car battery charger, the charging current is controlled by the computer. For severely depleted batteries, the initial charging current can reach 40A-50A, and as the battery nears full charge, a trickle charge is applied to ensure better saturation and protection of the battery, thereby extending its lifespan. Hazards of Idling Charging: While idling can charge the battery, it is relatively fuel-consuming and results in severe emissions pollution during idling.
Was this review help?
8
3
Share
More Forum Discussions

How to Reset the Maintenance Reminder for the 2013 Classic Focus?

Focus maintenance personnel can press the vehicle's one-touch start button and hold down the SET button on the left side of the multifunction steering wheel until a beep is heard. Then, simply press the OK button on the right side of the multifunction steering wheel to cancel the maintenance reminder. More relevant details are as follows: 1. Exterior Design: The Focus adopts Ford's family-style design, featuring a "Martin" front grille paired with a hexagonal chrome-plated front grille and sharp headlights on both sides. Although the newer Focus models are more dynamic, the classic version still exudes a strong sense of fashion. The side profile features multiple parallel waistlines that highlight the Focus's unique character. The rear is adorned with signature taillights and a multi-layered design, constantly emphasizing its sporty appeal. 2. Configuration: The Focus comes standard with practical and user-friendly features such as front/rear center armrests, rear cup holders, hill start assist, multifunction steering wheel, automatic headlights, power-adjustable mirrors, heated exterior mirrors, and engine start-stop. Additionally, users can opt for advanced tech features like wireless phone charging, automatic parking, and ACC full-speed intelligent adaptive cruise control system based on their actual needs.
15
1
Share

Which Volkswagen model has letters on the front?

Volkswagen's SUV model with letters on the front is the Teramont. More details about this vehicle are as follows: 1. Exterior: The Teramont is a new large SUV under SAIC Volkswagen, heavily inspired by the design of the CrossBlue concept car. The new model features a dual-slat chrome grille that extends directly into the headlights. 2. Vehicle Specifications: The body dimensions are 5039*1989*1773 mm, with a wheelbase of 2980 mm. 3. Interior: The Teramont incorporates a design with very straight lines. The new model comes with a three-spoke flat-bottom steering wheel and a 12.3-inch full LCD instrument panel (exclusive to high-end models). The multimedia information display in the new model uses the App-Connect mobile interconnect platform, supporting Apple CarPlay and Android Auto. In terms of features, the new model will include adaptive cruise control, lane keeping assist, blind spot monitoring, collision warning, heated steering wheel, front seat heating/ventilation, and a panoramic sunroof.
4
4
Share

What are the issues with the particulate filter in the Tayron?

Particulate filter clogging problem. It can lead to engine exhaust faults and high fuel consumption. 1. The reason for the emergence of particulate filters: In the China VI emission standards, especially with the increased requirements for fine particulate matter (PM) mass and the newly added particulate number (PN) limit, this poses a major challenge for many automakers. This is because with the current generation of high-pressure direct injection engines, fuel is directly injected into the combustion chamber during cold starts at low temperatures, making the power delivery more "direct." However, due to insufficient atomization of the air-fuel mixture, the control over particulate matter is inadequate. 2. The cause of particulate filter clogging: The particulate filter performs "regeneration," which is a self-cleaning function, burning off the internally captured particles under certain operating conditions. Regeneration requires specific conditions. Most vehicles need to operate at high engine speeds to reach the exhaust temperature required for "regeneration." However, many users are unlikely to notice this, as the majority of their driving may be urban commuting, often even at low-speed crawling for distances under 10 kilometers, making it difficult for the particulate filter to meet the conditions for "regeneration."
5
4
Share

What Causes the Abnormal Noise in the FAW Cab?

FAW cab produces a creaking noise, which is caused by issues with the airbag beneath the cab. In such cases, the airbag under the cab should be adjusted. The FAW J6 is a truck model with the engine located beneath the cab, and the truck's cab can also be opened. To enhance comfort, trucks are equipped with airbags under the cab that serve as shock absorbers. More details about the airbag are as follows: 1. The airbag is a rubber product: Rubber products can age and wear out over prolonged use. Therefore, the airbags under the truck cab need to be replaced regularly. Failure to replace them in time can lead to serious malfunctions. 2. Other rubber products: There are many rubber products in vehicles, such as tires, wipers, engine belts, chassis bushings, and sealing strips. All rubber products age over time, so they require regular replacement. Neglecting timely replacement can cause various issues in the vehicle. It is recommended to regularly replace all rubber components during routine vehicle maintenance. Additionally, always opt for genuine parts when purchasing these rubber components.
13
1
Share

Why Does the Car Air Conditioner Make a Buzzing Sound?

Car air conditioner buzzing sound may be caused by the following reasons: 1. The belt has become loose, causing the air conditioner to buzz. 2. Noise caused by damage to the compressor belt tensioner. 3. Buzzing sound caused by compressor failure. 4. When the external circulation is turned on, there will be a blower sound, and the sound appears in the glove box at this time. 5. Abnormal noise generated by the cold and warm switch inside the panel or the internal and external circulation motor failure. Here is more information about car air conditioners: 1. The car air conditioner is composed of a compressor, condenser, throttle element, evaporator, fan, and necessary control components. It is an air conditioning system used to adjust the temperature and humidity inside the car and provide a comfortable environment for passengers. 2. When the A/C switch is turned on, the engine drives the compressor to start working, forcing the refrigerant to circulate in the sealed air conditioning system. The compressor compresses the gaseous refrigerant into high-temperature and high-pressure refrigerant gas and then discharges it from the compressor.
10
2
Share

How to Turn Off the Porsche Air Conditioning?

Independent adjustment of air flow for driver and front passenger, "AC-Max" (forced cooling) button and humidity sensor, glove box cooling function. Press the auto button to turn it on or off.
19
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.