What is the fault when the engine light is on?

1 Answers
SophieAnn
07/29/25 11:55pm
When the engine warning light comes on, it may be due to poor combustion state of the engine, the use of fuel that does not meet the requirements of a high-performance engine, unclean engine cylinders, carbon deposits, and other reasons. Once the engine warning light comes on, the car owner should promptly clean the engine. The impacts of not addressing the engine warning light are as follows: 1. Impact one: The quality of the car's exhaust emissions deteriorates. 2. Impact two: The combustion chamber temperature rises, wear intensifies, which may lead to early engine damage. 3. Impact three: Engine noise increases, affecting driving and ride comfort. 4. Impact four: Increased car fuel consumption, wasting petroleum resources and financial resources, among other issues.
Was this review help?
8
4
Share
More Forum Discussions

What car brand has an L as its logo?

An L is the logo of Lexus cars. Here is some information about Lexus: 1. The Lexus car emblem uses the uppercase letter L from the name Lexus, enclosed within an oval. The oval represents the Earth, signifying that Lexus vehicles are distributed worldwide. 2. The flagship model of Lexus is the LS, which competes in the same class as the Mercedes-Benz S-Class, BMW 7 Series, and Audi A8. The Lexus LS is the only D-segment car in the Lexus lineup, perfectly combining comfort, powerful performance, excellent handling, and safety. 3. Its bold and sleek exterior design, along with numerous user-friendly interior features, fully embodies Lexus's advanced, elegant, and understated design philosophy. The Lexus LS is equipped with a 4.6 to 5.0-liter V8 engine, paired with an 8-speed automatic transmission. In addition to standard safety features such as the Anti-lock Braking System (ABS) and Traction Control System (TRC), the advanced Vehicle Dynamics Integrated Management (VDIM) system is also applied in the new flagship LS extended version, providing the highest level of safety for drivers and passengers.
7
4
Share

How Long is the Warranty for Airbags?

Automobile airbags do not have a clearly defined lifespan, but it is recommended to have them inspected after the vehicle has traveled 10,000 to 20,000 kilometers. Additional information is as follows: 1. No one wants to use airbags, but in daily driving, they should not be neglected. Improper operations may pose safety risks. 2. Without wearing a seatbelt, airbags not only fail to protect passengers but can also cause more severe injuries, as the explosive force of airbags is astonishing enough to seriously harm passengers. Therefore, always fasten your seatbelt after getting into the car. 3. During regular vehicle maintenance, never directly wash the airbag area with water, as a damp airbag cannot protect your life in critical moments. Of course, the most important thing is not to strike or impact the area where the airbag is located.
20
3
Share

Should You Shift to Neutral at Traffic Lights with an Automatic Transmission?

It is recommended to shift to neutral when waiting at traffic lights with an automatic transmission car. If the wait is prolonged, you can also engage the handbrake. Here are some relevant details: 1. When waiting at a red light, shifting to N (neutral) for a short period is fine, but leaving it in N for an extended time can damage the car, especially the transmission. 2. Keeping the car in D (drive) while pressing the brake at a red light is equivalent to pressing both the accelerator and brake in a manual transmission car. In this scenario, fuel consumption increases, and over time, the torque converter remains under stress, accelerating wear on components like the torque converter. 3. It is not advisable to shift to P (park) while waiting at a red light. Firstly, shifting to P without engaging the handbrake can cause damage to certain components. Secondly, starting from P involves more cumbersome steps. Thirdly, frequently shifting to P can lead to gear grinding in the automatic transmission, damaging the transmission bearings.
16
2
Share

What are the symptoms of a bad crankshaft sensor?

The symptoms of a faulty crankshaft sensor include: 1. The malfunction indicator light illuminates. 2. The engine can continue to operate relying on the camshaft position sensor, but the starting time may be prolonged. Additionally, the cruise control and exhaust brake systems may not function properly, accompanied by engine shaking and white smoke emission, although there is no significant change in power performance and the throttle response remains normal. 3. Fault codes may be generated. 4. Abnormal signal disc. The crankshaft sensor plays a crucial role in the sensor system, determining the position of the crankshaft, detecting engine speed, and identifying signals such as the top dead center signals for each cylinder used in ignition control and the first cylinder's top dead center signal for sequential fuel injection control.
5
0
Share

How to Remove White Paint from a Black Car?

Use regular toothpaste to treat the issue by gently applying it in circular motions over the scratched area. This method usually helps reduce the visibility of scratches and can also act as a temporary barrier, preventing rust in the short term, especially for white paint, where the effect is most noticeable. If the scratch shows signs of rust, immediate action is required to prevent the rust spots from expanding. To prevent rust, use sandpaper to clean the area or apply a chemical rust converter. Car paint maintenance tips: 1. Whenever possible, park your car indoors and avoid prolonged exposure to strong sunlight or rain. 2. Avoid washing your car with cold water immediately after it has been exposed to intense sunlight or after the engine has just stopped running, as rapid cooling can damage the paint surface. Never rinse the engine directly. 3. Do not dry-wipe the car, as small particles of sand may scratch the paint. Always rinse with water first. 4. Promptly remove fallen leaves, tree resin, bird droppings, and other contaminants from the car body to prevent paint corrosion.
7
1
Share

How to Repair a Broken Battery Cell?

Battery cell repair: For a battery with a broken cell, the problematic single cell can be extracted and replaced. After replacement, seal it with sealing adhesive, weld the terminals, add electrolyte, and finally charge it. Those with the capability can attempt the repair themselves, but it's best to seek professional help at a repair shop. Causes of battery cell breakage: 1. Poor battery quality. 2. Incorrect usage leading to internal short circuits. 3. Frequent use of the battery. 4. Severe impacts or drops. The battery is a crucial component in a car, but it is also a wear-prone part. Typically, a battery's lifespan is around 2-3 years, and proper usage can effectively extend its service life. When the car is turned off, avoid prolonged use of electronic devices inside the car, and it's also recommended not to use the air conditioning or headlights, as this can shorten the battery's lifespan.
4
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.