Browse

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Pet Supplies Sporting Goods Ticket Toys Games Transportation Others

Used Cars New Cars Others

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

What Causes the Car's Idle Speed to Fluctuate When the Air Conditioner is On?

1 Answers

KateLynn

07/25/25 7:23am

It is generally normal for a car's idle speed to fluctuate when the air conditioner is turned on, but the frequency should also be considered. Observe how often the fluctuations occur. If the interval is one or two seconds, it indicates a malfunction in the air conditioning system. If necessary, replacing the oil seal can effectively improve this phenomenon. Below are some related details: 1. Introduction: The idle speed of the engine is referred to as the engine's idle speed, which can be adjusted by modifying the throttle size. 2. Function of Idle Speed: Idle speed is an operational state of the car, where the engine runs in neutral gear. When the accelerator pedal is released during engine operation, the engine enters idle mode. The idle speed should not fluctuate excessively, as it can cause wear and tear on the engine. A well-performing engine typically has an idle speed between 550 to 800 RPM. If the car's idle speed is problematic, it can lead to unusual engine noises.

Was this review help?

8

0

Share

More Forum Discussions

What is the wading depth of the Model 3?

The wading depth of the Model 3 is 138mm. Below is relevant information about the Tesla Model 3: Body Dimensions: The Model 3 is a mid-size pure electric vehicle under Tesla. The length, width, and height of the Model 3 are 4694mm, 1850mm, and 1443mm respectively, with a wheelbase of 2875mm. Powertrain Configuration: The Model 3 is available in both rear-wheel drive and all-wheel drive versions. The rear-wheel drive version is a single-motor model, while the all-wheel drive version is a dual-motor model. The all-wheel drive version has motors on both the front and rear axles. The Model 3 uses two types of batteries: lithium iron phosphate batteries and ternary lithium batteries.

What is the highway fuel consumption of the Prado 2.7?

The actual comprehensive fuel consumption of the Prado 2.7 is 13.8L/100km. The actual comprehensive fuel consumption is influenced by multiple factors such as load, road conditions, driving habits, weather, wind speed, tire pressure, etc. The actual comprehensive fuel consumption should be based on real driving conditions. Here is some relevant information: 1. Vehicle condition: In addition to regular cleaning, it is important to pay attention to the vehicle's condition, perform regular maintenance, and timely repairs. 2. Driving habits: Poor driving habits can waste fuel, such as carrying unnecessary weight, driving with windows open at high speeds, sudden acceleration or deceleration, all of which can increase fuel consumption. 3. Road conditions: Driving in urban areas can increase fuel consumption by 20% compared to test tracks, mainly due to frequent starts, stops at traffic lights, and gear shifting, which lead to higher fuel consumption.

How many kilometers should the uy125 go before changing the oil?

uy125 recommends changing the oil every 500 kilometers. The following is a related introduction to the Suzuki uy125: Appearance: The double eagle-eye headlights, LED position lights, arrow-shaped front decorative panel, and small connecting plate with imitation carbon fiber texture all look quite stylish. However, to highlight the sporty style, the S-shaped lightning front skirt, along with the steeper angle of the footrest, sacrifices some comfort. Configuration: The car is equipped with a liquid crystal instrument panel, USB charging, front disc and rear drum brakes, the same as the 2019 model. The 2020 model has been upgraded with new logos, a tail box, and rear tires. The tail box has a volume of about 30L, and the LS2 3/4 fits without any pressure.

What is the difference between the Sport mode and Normal mode in the Malibu XL?

The difference between Sport mode and Normal mode lies in the engine's RPM and power output. Here are the details: 1. Sport mode: Compared to Normal mode, Sport mode provides more power and more aggressive torque output. At the same throttle depth, the engine output in Sport mode is greater. When the throttle is fully pressed, the torque in Sport mode rises more directly and rapidly. Some models also automatically adjust the suspension, steering, and braking systems in Sport mode to offer more precise and responsive handling. 2. Normal mode: Normal mode is relatively more stable and comfortable, suitable for daily use. Especially for ordinary family cars, driving comfort and low fuel consumption are more important. Sport mode accelerates faster, making it suitable for overtaking, but it inevitably comes with reduced driving comfort and increased fuel consumption.

Reasons Why Jump-Starting a Car Battery Fails to Start the Engine?

Here is an introduction to issues related to jump-starting a car battery: Possible reasons include severe depletion of the old battery's charge, jumper cables being too thin (resulting in insufficient current to start the engine), or improperly clamped jumper cable clips. Below are some methods to address a dead battery preventing engine start: 1. Push-Start Method (for manual transmission vehicles only): Push the car to reach a certain speed, then engage the gear and quickly release the clutch pedal while pressing the accelerator. Once the engine starts, immediately depress the clutch pedal and control the throttle to prevent stalling, then slowly pull over to park. 2. Jumper Cable Method: First, locate another vehicle with a functional battery and a set of jumper cables. Position the two vehicles close together, open the hoods to locate the batteries, then connect the jumper cables—positive to positive and negative to negative.

What should be checked when picking up a new car?

Things that need to be checked when picking up a new car include: interior, exterior body, and chassis. Here are the details: 1. Interior: Mainly check for obvious stains, scratches on leather surfaces, and test all operable and functional features in the car to ensure they work properly. 2. Exterior body: Check whether the car paint is even and consistent, as many cars may suffer minor damages during transportation. If the paint is damaged, the 4S store will repair it themselves before selling it to consumers. 3. Chassis: Check for any signs of being hit by stones. Every 4S store has test drive cars, and these cars are often operated under overload conditions to demonstrate powerful performance to consumers, such as hard acceleration and sudden braking.

Trending Ranking

How to check if the lights are on low beam during Subject 3 test?

What is the method of observing the wiper during the S-curve in Subject 2?

Until When is the Spring Festival Expressway Toll Free?

How to Deal with Cracking Car Paint?

Did cars or traffic lights come first in the world?

What is the purpose of a motor vehicle license?

What does the term 'base model' mean in cars?

What is the correct way to brake and shift gears in Subject 3?

What is the appropriate idle speed for a sedan?

How to reset the trip mileage of Haval H6?

More Forum Discussions

What brand is the CT4 transmission?

What is the actual fuel consumption of the GS4 PLUS?

What does the Prado GXR mean?

How Much Does a Land Rover Range Rover Weigh?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.