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How to Solve High Engine Fuel Consumption?

4 Answers
LaylaDella
08/26/25 6:00am
First, check the tires. If the tire pressure is insufficient, fuel consumption will increase. If the tire pressure is normal, check the wear level of the tires. When tires are severely worn, they often show signs of slipping, which also increases fuel consumption. Replacing the tires can solve this issue.
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VonDiana
09/08/25 8:36am
I've driven many cars and found that high fuel consumption is often caused by my own driving habits. Avoid frequently stepping hard on the accelerator or slamming on the brakes, and try to maintain a steady speed. Also, regularly check tire pressure—too low can increase fuel consumption; replace the air filter when it's dirty as it affects air intake efficiency; and change the engine oil when it's too old, otherwise the engine won't run smoothly. Additionally, carrying heavy loads or using the air conditioning too aggressively also consumes more fuel. Spending a few minutes each week checking these simple areas can significantly reduce fuel consumption. Developing good habits makes driving smoother and saves money on fuel.
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NolanFitz
10/22/25 8:42am
I always check for high fuel consumption myself. First, I use a tire pressure gauge to check the tires and maintain the standard pressure. Then, I inspect the air filter in the engine compartment and replace it if it's clogged. I change the engine oil regularly and choose a good brand with the right viscosity. Worn-out spark plugs can also increase fuel consumption, and replacing them with new OEM parts has solved most of my issues. If I can't handle it myself, I use an OBD scanner to read the fault codes and identify the root cause. Fixing minor problems at home saves money and increases knowledge, making driving more reassuring.
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EloiseMarie
12/06/25 2:17am
High fuel consumption requires systematic troubleshooting. First, take the car to a repair shop and use a diagnostic tool to check the engine, inspecting whether the air flow sensor or oxygen sensor is faulty; ECU malfunctions can also lead to inaccurate fuel injection. If the fuel injectors are clogged, clean or replace them, and replace aging spark plugs promptly. Tire wear or misalignment can also have an impact, so have a professional technician perform adjustments. Addressing these issues early can prevent major problems, saving both money and ensuring safety.
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