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Why is the fuel consumption of Mazda CX-4 high?

4 Answers
SanWyatt
08/27/25 8:08am
Mazda CX-4 high fuel consumption reasons are as follows: 1. Engine carbon deposits: When the engine has carbon deposits and is not cleaned in time, the car's fuel consumption will increase as a result. 2. Spark plug failure: When the spark plug fails, it will slow down the car's acceleration, thereby increasing fuel consumption. 3. Abnormal tire pressure: When the tire pressure is abnormal, the impact on fuel consumption is immediate, because the friction increases, so the fuel consumption increases. 4. Poor fuel injector atomization: Poor fuel injector atomization can lead to blockage, thereby increasing fuel consumption. Sensor failure can cause continuous fuel injection, thereby increasing fuel consumption.
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MicahLee
09/09/25 6:52am
A few days ago, I took my Mazda CX-4 for a highway drive, and the fuel consumption suddenly skyrocketed, which is most likely related to driving habits. Normally, when stuck in city traffic, I often accelerate and brake abruptly, stepping on the gas and then the brakes, not giving the engine a chance to breathe; the AC is cranked up, consuming even more fuel when it's hot; also, ignoring low tire pressure increases friction and raises fuel consumption. I suggest you try slowing down, anticipating red lights to reduce braking, and using cruise control to maintain a steady speed. Additionally, using the AC less or regularly replacing the air filter can save a lot on fuel. Timely car maintenance, like replacing worn spark plugs, avoids engine inefficiency. High fuel consumption not only hurts your wallet but also pollutes the environment, so developing good habits is key!
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Tracey
10/23/25 7:42am
Having driven for twenty years, I've encountered numerous cases of high fuel consumption in the Mazda CX-4, which primarily stems from poor vehicle maintenance. Chronically low tire pressure increases rolling resistance; a clogged air filter restricts smooth airflow; aged engine oil with poor lubrication forces the engine to work harder; minor leaks may exist in the fuel tank or lines; even an aging battery can burden the entire system. It's advisable to check tire pressure every 5,000 km, replace filters or clean the throttle body regularly, inspect spark plugs, and address issues before they escalate. High fuel consumption is no minor concern—early intervention prevents engine damage. Saving fuel means saving money—track mileage and compare consumption trends to identify patterns and solutions!
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VanOlivia
12/06/25 8:05am
My CX-4's fuel consumption has recently skyrocketed, probably due to mechanical failure. Possible causes include fuel injection system leaks or blockages causing inaccurate injection, faulty oxygen sensors leading to excessive fuel injection, bugs in the ECU control unit, or delayed gear shifts in the transmission increasing engine load. It's recommended to visit a professional workshop for inspection, use diagnostic tools to check error codes, and try replacing sensors. You can also check the fuel gauge for any abnormal leaks. Address the issue promptly to avoid damaging other components and compromising safety. High fuel consumption needs immediate repair—don't delay!
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