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What Causes the Engine Light to Keep Flashing?

2 Answers

Josephine

07/28/25 6:13pm

Here are the reasons why the engine light keeps flashing: 1. Excessive carbon buildup in the throttle or engine. 2. Malfunction of the oxygen sensor leading to an imbalance in the air-fuel mixture ratio. This phenomenon is common when driving at low speeds in urban areas for extended periods. 3. Fuel injector leakage, causing the injector to remain in the fuel supply state even after releasing the accelerator, resulting in an overly rich mixture at low speeds and unstable idle after releasing the throttle. In severe cases, the engine may stall directly. 4. Use of low-quality gasoline with excessive metal content, leading to oxygen sensor poisoning.

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EllianaLynn

08/12/25 12:01am

Last time I was driving and the engine light kept flashing, which really worried me. After checking, it turned out to be a cylinder misfire issue caused by worn-out spark plugs, making one cylinder stop working. This can cause the car to shake and consume more fuel. Other common causes include clogged fuel injectors, faulty ignition coils, or broken sensors. If left untreated for too long, the catalytic converter could get damaged, leading to more expensive repairs. I immediately took it to the repair shop, where they used a diagnostic tool to read the trouble codes and fix the problem. My advice is, if you encounter this situation, don’t wait—stop the car immediately to check or contact a professional mechanic for safe handling. Regular maintenance, like changing spark plugs periodically, can help prevent such issues.

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How is driving without a license generally handled?

Individuals caught driving without a license will be fined between 200 and 2,000 yuan. Additionally, the traffic management authorities may also impose a detention of up to 15 days. Below are the relevant regulations: 1. According to Article 99, Paragraph 1, Item 1 of the "Road Traffic Safety Law": Driving a motor vehicle without obtaining a motor vehicle driver's license, or during the period when the motor vehicle driver's license has been revoked or temporarily suspended, shall result in a fine ranging from 200 to 2,000 yuan imposed by the traffic management department of the public security authority. 2. Paragraph 2 of Article 99 states: If the individual commits any of the acts listed in Item 2 or 4 of the preceding paragraph, their motor vehicle driver's license may also be revoked; if the individual commits any of the acts listed in Item 1, 3, or 5 to 8, they may also be detained for up to 15 days.

Why Can't a Car Spare Tire Be Used for a Long Time?

If a spare tire is used for an extended period, its safety performance will significantly decline. Therefore, spare tires should not be used long-term, and their performance is inherently inferior to that of the original tires. It is essential to regularly inspect the spare tire in daily life. Below is relevant information about car spare tires: 1. Car spare tires are divided into two types: full-size spare tires and non-full-size spare tires. A full-size spare tire matches the size of the car's original tire, while a non-full-size spare tire is smaller than the original. However, both types of spare tires share one important consideration: neither may be as wide as the original tire, nor may their performance match that of the original. Thus, there are limitations to using spare tires. 2. Generally, inspections of spare tires mainly focus on checking tire pressure, wear, and cracks. Tires should be replaced before the tread wear reaches the wear indicator line. If there are fine cracks on the tire sidewall, the tire should not be used for long-distance or high-speed driving, as the sidewall is thinner and more prone to blowouts at high speeds.

Why doesn't the reversing radar beep on rainy days?

If the problem is confirmed to be with the reversing radar, the first possibility to consider is a faulty buzzer. In this case, you need to purchase a new buzzer and install it. Additionally, recall whether your car has undergone any recent modifications. If so, it's possible that the wiring of the reversing radar was damaged during the modification process, requiring you to take the car to the original repair shop or a 4S store for inspection. Solution introduction: 1. During installation, the owner must pay attention to the installation height: generally, the front installation should be 45~55 cm from the ground, and the rear installation should be 50~65 cm. 2. To ensure driving safety, the owner should regularly clean the probe to prevent dust accumulation. 3. Do not cover the probe surface with hard objects, as this may cause false alarms or inaccurate distance measurement, such as when mud covers the probe surface. 4. Winter maintenance is also very important. In winter, the owner must ensure that the probe does not freeze.

What Causes the Steering Wheel Lock in a Ford Focus?

Ford Focus steering wheel locks because the steering wheel was not straightened or was turned when the car was last parked, triggering the steering wheel's self-locking function. Here is some information about the Ford Focus: 1. The Ford Focus is a compact car under Changan Ford. The new-generation Focus emphasizes sportiness and youthfulness, featuring a more streamlined and flatter body with a fastback design at the rear and a black ST-Line spoiler. 2. The interior of the new-generation Focus is primarily practical, but Ford has adopted an all-black theme for the new-generation Focus interior, combined with carbon fiber-look trim panels and red stitching, giving an overall impression that is not too homely or dull. 3. The new-generation Focus 1.5L models are equipped with a 6AT/6MT transmission, while the 1.0T/1.5T models come with an 8AT automatic transmission. The 8AT transmission in the new-generation Focus is the first of its kind in its class.

Does rainy weather affect car paint touch-ups?

It is best to avoid performing vehicle painting on rainy days because the humid weather makes it difficult for the paint to dry thoroughly. Additionally, prolonged baking for drying can lead to gloss degradation over time. Therefore, repair shops generally prefer to carry out painting during dry or sunny weather. The extent of impact from painting on rainy days depends on the drying interval. Generally, under standard procedures, the painted surface can be touched after 2 hours, and the paint hardness reaches 80% after 24 hours. The car can be driven after 24 hours, but it is recommended to avoid washing for 2-3 days, as this depends on factors like paint quality and technique. Precautions: 1. If the car has been recently painted, avoid exposing the newly painted areas to water and dust. 2. It's best not to drive the car out in the rain shortly after painting, as the fresh paint is still delicate and may develop marks from rainwater, which can be unsightly and sometimes impossible to remove even with polishing. Parking in a garage overnight is advisable. 3. Sunlight is not a concern—it only speeds up the drying process, which is beneficial. 4. Avoid contact between the newly painted areas and chemicals or oil stains.

How many kilometers should SUV tires be replaced?

SUV tires generally need to be replaced every 50,000 to 80,000 kilometers. Tires should be replaced under the following circumstances: 1. Tire wear: Tires have tread wear indicators, which are slightly raised marks located at the bottom of the tread grooves, with a height of 1.6 mm (the legal minimum groove depth). If the tread rubber blocks wear down to the same height as these raised marks, the tires should be replaced immediately, as continuing to drive is no longer safe. 2. Tire damage: Hitting curbs, falling into potholes, or punctures from nails can severely damage tires. Damaged tires may be repairable, but only a professional repair shop can accurately determine whether the tire can be repaired or needs to be replaced. Generally, sidewall damage cannot be repaired, and for safety reasons, the tire must be replaced. 3. Tire aging: If the tread shows deformation or obvious cracks, stop using the tires immediately and have them inspected by a professional repair shop to determine if they can continue to be used. 4. Tire bulging: Bulging tires are a high-risk factor for blowouts, especially on highways, which is very dangerous. Tires with bulges should be replaced promptly.

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