Is Engine Cleaner Effective?

2 Answers
DiWyatt
07/25/25 2:37pm
Engine cleaner is effective. The cleaner can remove residual sludge from the engine oil passages and, to some extent, clean carbon deposits from the piston rings and ring grooves, providing actual maintenance benefits for the engine. Engine maintenance methods include: 1. Using high-quality engine oil; 2. Using qualified coolant; 3. Regularly cleaning radiator scale; 4. Periodically removing carbon deposits from the car; 5. Timely replacement of the car's three filters; 6. Maintaining reasonable engine speeds. Engine types are categorized as: 1. Piston engine; 2. Ramjet engine; 3. Rocket engine; 4. Turbine engine.
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SanJaxon
08/11/25 9:11pm
As a car owner who enjoys DIY maintenance, I've personally experienced the effects of engine cleaners. After my car developed idle shaking from prolonged use, a friend recommended a cleaner. I purchased a mainstream product to add to the fuel tank, and after driving 500 kilometers on the highway, the engine started more smoothly, and fuel consumption slightly decreased. Does it work? Yes, it shows noticeable improvement for mild carbon buildup; it dissolves deposits in the fuel system and cylinder walls, enhancing power response. But don’t expect miracles—severe carbon deposits require professional cleaning. The cleaner is just an aid, recommended for use every 10,000 kilometers alongside quality engine oil to prevent carbon accumulation. I usually handle my own maintenance, opting for reputable brands to avoid counterfeit products that could damage the engine. Overall, for regular owners like me, it’s a practical, low-cost way to prevent bigger issues.
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