Why is the Corolla idling high?

1 Answers
StBrandon
07/29/25 6:31pm
High idling speed in a Corolla may be caused by issues with the idle motor, wiring, etc. Below is relevant information about the Toyota Corolla: 1. Introduction to Toyota Corolla: The Corolla is the tenth-generation straight-line upgrade product of Toyota COROLLA. Since its launch in November 2017, the Corolla has attracted global consumer attention; now, this globally best-selling car is produced by FAW Toyota, allowing Chinese consumers to experience Toyota's latest technology and driving experience simultaneously. 2. Overview of Toyota Corolla models: The greatest advantage is low fuel consumption; comfortable ride with smooth driving; rich humanized interior configurations. The main disadvantages include frequent malfunctions such as oil burning, deviation while driving, abnormal noises, circuit problems, etc. Recent user feedback mainly focuses on universal joint and car CD player failures, questioning potential design defects in components like the steering gear; the braking system is relatively soft.
Was this review help?
15
4
Share
More Forum Discussions

What causes the central control screen of the 2020 Audi A4L to freeze?

Audi A4L display black screen has two possible reasons: the vehicle linkage may be disconnected due to poor contact, in which case you should go to a vehicle electrical repair center. It may also be caused by the host freezing due to cold weather or memory issues, in which case you can press the start button on the host surface to restart. You can start troubleshooting from the following aspects: 1. Complete black screen without booting: Check if the car's original fuse is blown, and replace it if it is. Check if the navigation buttons are stuck, including the RSET button, as stuck buttons can also prevent booting. 2. Black screen with normal sound: Switch to a familiar interface and tap the touchscreen to see if it responds. If the touch function is normal, then look for issues with the display screen, such as whether the LCD screen is damaged, whether the LCD screen lamp driver is functioning normally, whether the signal circuit is normal, whether the display decoding is normal, and whether the core module is functioning properly.
13
0
Share

What are the functions of Volvo car key buttons?

The following are the related functions of Volvo car key buttons: 1. Unlock button: Press the unlock button once to open the driver's door, and press twice to unlock all four doors. 2. Lock button: Press the lock button to lock all four doors. Hold down the lock button on the remote key to remotely close all four windows and the sunroof. 3. Trunk release button: There is a button on the car key to open the trunk. To open the trunk, press and hold the trunk release button. 4. Panic button: The button labeled 'Panic' on the car key is called the 'panic button'. When pressed, the car's horn will sound and the hazard lights will flash, making it easier to locate the car quickly in crowded parking areas.
11
5
Share

What Causes the Clicking Sound When Reversing with a Dual-Clutch Transmission?

The reason is that the hydraulic servo system of the clutch or the transmission computer cannot accurately control the separation and engagement of gears. Below is relevant information about dual-clutch transmissions: 1. Dual-Clutch Transmission: A car transmission with two sets of clutches. In terms of classification, dual-clutch transmissions are broadly divided into wet dual-clutch transmissions and dry dual-clutch transmissions. Currently, mainstream dual-clutch transmissions generally have six or seven gears. A 7-speed dual-clutch transmission refers to a dual-clutch transmission with seven forward gears. 2. Application: Dual-clutch transmissions are not suitable for frequent starts, prolonged low-speed driving, or stop-and-go traffic, as these conditions can easily lead to overheating and cause malfunctions. Once the onboard computer issues a warning, it is essential to stop the vehicle immediately to cool down the transmission.
3
5
Share

Where are Volvo engines produced?

Volvo engines are produced in Sweden and are not domestically manufactured. The engine model used by Volvo is the B420T2, with a maximum horsepower of 250 HP, a maximum power output of 184 KW, a power peak at 5400-5700 rpm, and a peak torque of 350 N.m. For daily maintenance of Volvo engines, the following methods can be used: Use lubricating oil of the appropriate quality grade. For gasoline engines, select SD--SF grade gasoline engine oil based on the additional equipment in the intake and exhaust systems and usage conditions; for diesel engines, choose CB--CD grade diesel engine oil according to mechanical load, with the selection standard not lower than the manufacturer's specified requirements. Regularly change the oil and oil filter. The quality of any grade of lubricating oil will change during use. After a certain mileage, performance deteriorates, leading to various engine issues. To avoid malfunctions, change the oil regularly based on usage conditions and maintain an appropriate oil level. When oil passes through the fine pores of the filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter becomes clogged and oil cannot pass through, the filter may burst or the safety valve may open, allowing oil to bypass the filter and carry contaminants back to the lubrication areas, accelerating engine wear and increasing internal contamination. Regularly clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal particles from component wear to form sludge. In small amounts, it remains suspended in the oil; in large amounts, it precipitates, clogging filters and oil passages, making engine lubrication difficult and causing wear. Regularly use radiator cleaner to clean the radiator. Removing rust and scale not only ensures proper engine operation but also extends the overall lifespan of the radiator and engine.
4
3
Share

What causes the rear cover panel of the Q7 front seat to fall off?

The detachment of the rear cover panel on the Q7 front seat may be due to improperly secured or damaged plastic fasteners on the door trim panel. Below is relevant information about Audi: 1. Overview: A luxury automotive brand symbolized by four interlocking rings. Currently a subsidiary of Volkswagen Group in Germany. On December 20, 2018, Audi ranked 51st in the World's 500 Most Influential Brands list. 2. History: The origins of Audi AG in manufacturing cars and motorcycles trace back to the 19th century. Four automotive companies based in Saxony—Audi and Horch in Zwickau, Wanderer in Chemnitz-Siegmar, and DKW in Zschopau—made outstanding contributions to the advancement of Germany's automotive industry at that time.
7
2
Share

What do VX and TX mean?

VX refers to the 4.0L displacement luxury version, equipped with Toyota's 1GR engine. The VX model features a four-link suspension system, while the VX-N comes with air suspension. TX is the base version of the 4.0L model, with slight differences in the bumper compared to the TX-L variant. Other distinctions mainly lie in interior configurations. Below are relevant details: 1. Engine Introduction: The engine features a V6 configuration with shared fuel rail direct injection for both V6 and inline-4 cylinder diesel turbocharged variants. Additionally, the new Prado adopts a newly developed high-rigidity body frame and independently controlled full-automatic air conditioning for both left and right sides, making it suitable for intense driving dynamics while ensuring stable and secure driving experience. 2. Exterior Design: Following Toyota's new product design philosophy, it pursues more practical yet stylish interior space with enhanced comfort and high-tech features, further elevating the Prado's product value.
20
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.