What Causes a Sudden Increase in Mazda's Fuel Consumption?

2 Answers
McLilah
07/29/25 8:22am
Detailed reasons and solutions for a sudden increase in Mazda's fuel consumption are as follows: 1. Insufficient tire pressure or tire wear: Low or insufficient tire pressure increases friction between the tires and the ground, leading to greater resistance and higher fuel consumption. Severe tire wear can cause frequent slipping, which also increases fuel consumption. Solution: Inflate the tires or replace them. 2. Excessive carbon deposits: Poor-quality gasoline can lead to increased carbon deposits. Excessive carbon deposits make the intake pipe walls rough, affecting the intake effect and the quality of the air-fuel mixture, causing a sharp rise in fuel consumption. Solution: Clean the carbon deposits and switch to higher-quality gasoline.
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VonCody
08/12/25 11:32am
I've been driving a Mazda for several years, and recently I noticed a sudden increase in fuel consumption, which is quite annoying. It's mainly caused by some driving habits and issues with the car itself. For example, pressing the accelerator too hard while driving or frequently accelerating and braking sharply in traffic jams can reduce engine efficiency. If the tire pressure is insufficient, increased friction between the tires and the road will consume more fuel per kilometer. Also, if the air filter is dirty and not replaced in time, the engine won't intake air smoothly, leading to incomplete combustion. Aging engine sensors can also mislead the computer, causing excessive fuel injection. I once forgot regular maintenance, and the spark plugs wore out badly, causing fuel consumption to skyrocket. I suggest first checking the tire pressure yourself with a tire pressure gauge—the standard value is usually posted on the inside of the door. Maintain smooth driving, avoid short-distance speeding, and replace the air filter and engine oil during scheduled maintenance. If the problem persists, take it to a professional shop to check the sensors and engine system.
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