What are the reasons for high fuel consumption when driving a car?

2 Answers
DelHeidi
07/28/25 11:01pm
Car driving high fuel consumption reasons are: 1. Piston and piston ring damage, resulting in oil burning phenomenon, fuel cannot fully burn and perform work; 2. Novice drivers on the road, pressing the accelerator without lifting, not paying attention to shifting gears, which invisibly increases the fuel consumption index; 3. Machine aging, computer fuel control system failure; 4. Fuel tank and fuel pipeline damage, with oil leakage phenomenon; 5. Oxygen sensor damage or three-way catalytic converter blockage, but not completely blocked. Solutions: 1. Check whether the tire pressure meets the standard, if the tire is underinflated, fuel consumption will also increase; 2. Check the degree of tire wear, if the tire is severely worn, it will often slip, increasing fuel consumption; 3. Check whether the wheel rotation is normal, if not, it will affect the speed and increase fuel consumption.
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SerenityRose
08/12/25 3:27am
I have plenty of experience with cars being fuel-guzzlers, probably because of my poor driving habits, like frequently stomping on the gas pedal for sudden acceleration or constantly braking in traffic jams—these all cause fuel consumption to skyrocket. Additionally, if my car's tire pressure is too low, the rolling resistance increases, and it consumes significantly more fuel. Using the air conditioning in summer is another major fuel killer, especially noticeable during long-distance drives. Carrying too much stuff, like adding a roof rack that increases wind resistance, also burns extra fuel. Sometimes, poor vehicle maintenance, such as dirty engine oil or a clogged air filter, makes the engine work harder, naturally consuming more fuel. I've learned my lesson now—regularly checking the car's condition and driving more smoothly have significantly reduced my fuel consumption.
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