What Are the Effects of Increased Carbon Deposits in Cars?

2 Answers
VanPreston
07/29/25 4:38am
The effects of increased carbon deposits in cars are: 1. Difficulty starting; 2. Insufficient horsepower, unstable acceleration, and shaking; 3. Air-fuel ratio imbalance; 4. Failure to meet emission standards; 5. Reduced combustion efficiency. Methods to clean carbon deposits in cars include: 1. Adding fuel additives when refueling; 2. Engine disassembly and cleaning; 3. Using a car drip bottle for cleaning. Ways to prevent carbon deposits in cars are: 1. Waiting for 1 minute or 30 seconds after reaching the destination before turning off the engine; 2. Increasing the shift RPM for manual transmission cars. The main components of car carbon deposits are: 1. Metal debris generated from engine friction and wear; 2. Dust from the air; 3. Sticky substances formed from the oxidation, thickening, and acidification of engine oil in high-temperature environments; 4. Paint film produced by the oxidation and concentration of lubricating oil.
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VanSamantha
08/12/25 8:19am
Previously, after driving my car for a long time, I noticed a significant increase in carbon deposits, which became a serious issue. The most obvious symptom was reduced engine power—where it used to accelerate sharply with just a light press on the gas, now it struggles even on uphill slopes, as if dragging a heavy load. Fuel consumption skyrocketed from 8 liters per 100 km to 11 liters, hurting my wallet. At idle, the engine shakes like it's dancing, and starting the car has become difficult—several times it stalled at intersections, scaring me to death. These carbon deposits accumulate on the spark plugs and intake pipes, disrupting the air-fuel mixture. Ignoring this issue could shorten the engine's lifespan, with repair costs potentially running into thousands, not to mention causing abnormal noises and safety risks, making highway driving nerve-wracking. It's best to inspect it quarterly, use high-quality fuel, or occasionally drive at high speeds to clean it out.
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