
Engine internal cleaner is not recommended for use. Here is relevant information about cleaners: 1. Cleaning the intake system is generally required every 20,000-30,000 kilometers. If the intake is not smooth, it can lead to high fuel consumption, clogged fuel injectors, unstable car idling, and throttle sticking over time. 2. The best approach is to regularly check the air filter or replace it directly. 3. Carbon deposits in the intake system are formed by impurities in the air combined with moisture in the intake. Regular cleaning is essential; otherwise, prolonged neglect can lead to expensive repairs.

As a car enthusiast, I've used engine internal cleaners several times and found them genuinely effective, especially for older vehicles with over 100,000 kilometers on the odometer. Severe carbon deposits and sludge buildup inside can significantly impact engine performance. Pouring the cleaner into the oil filler port and letting the engine idle for 10 to 15 minutes helps dissolve the grime, which is then flushed out with the old oil, resulting in smoother engine operation. However, it's crucial to choose reputable brand products to ensure compatibility, avoid overuse or excessive frequency, and beginners should always follow the instructions. Incorporating this step regularly during can extend engine life by approximately 20% and save money on frequent garage visits. Remember, always replace the engine oil and filter after cleaning to prevent residue from clogging the oil passages. Overall, the results are quite satisfactory, but safety should always come first—never take it lightly.

I learned a lesson about using engine cleaners that made me more cautious. It happened with my old car, where carbon buildup caused a loss of power. I bought a cheap cleaner to try, but it resulted in significantly increased engine noise. Upon inspection, it nearly clogged the oil pump. Later, an expert explained that engine cleaners can be used, but only on high-mileage vehicles—using them on new cars poses too much risk and could damage internal components. When using them, it should be done right before a professional oil change, ensuring the engine is warmed up before application, and then promptly draining all residues. While engine cleaners are effective at removing carbon deposits, they aren't a cure-all. If there's an issue with the car, it's best to diagnose it first. I recommend considering adding a cleaner once a year during —it saves money and hassle, as long as you follow specifications and safety guidelines.

I've used engine cleaners before, and they work pretty well. Mainly for removing carbon deposits and making the engine run smoother. Buy from reputable brands, pour it in before an oil change and let the engine idle for ten minutes – never use it during normal driving. Older cars may see improved fuel efficiency, but it's unnecessary for new vehicles. The process is simple enough to DIY at home, but be careful not to exceed the recommended duration. Remember to change the oil promptly after cleaning to avoid clogs. Effectiveness depends on your car's condition – it can solve minor carbon buildup, but severe cases require professional repair.

I regularly add engine cleaner during car and find it effective. I use it once every oil change cycle of about 20,000 kilometers to prevent carbon buildup and extend engine life. During cleaning, let the engine idle for 10-15 minutes to dissolve dirt in a heated state, then drain the old oil for a much cleaner result. The advantage of cleaners is their low cost, being much cheaper than professional cleaning services, and their effectiveness is sufficient for daily issues. However, don't over-rely on them, as inferior products may cause oil circuit problems—it's best to use them under professional guidance. Pairing them with regular oil changes yields better results, with noticeable improvements in engine performance.

Engine internal cleaner is usable, and my experience is that it offers good value for money. Compared to spending hundreds at a professional shop for cleaning, a bottle of cleaner for a few dozen bucks and handling it at home is more cost-effective. It's suitable for older cars with light carbon buildup—just pour it into the engine, let it idle, then change the oil to remove sludge and improve efficiency. However, risks exist, such as potential oil pump clogging, so ensure the car is in a stable condition during use and opt for branded products for safety. Over time, it saves on maintenance costs, and the results are acceptable. If the engine has serious issues, it's still safer to seek professional repair rather than attempting blindly.


