What are the reasons for the high fuel consumption of the Weiwang M20?

3 Answers
SawyerDella
07/29/25 9:51pm
The specific reasons for the high fuel consumption of the Weiwang M20 are as follows: 1. The vehicle has not been maintained for a long time: Dirty engine oil and air filters can lead to increased fuel consumption. Dirty engine oil results in poor lubrication, increasing resistance in the engine's moving parts and requiring more energy to overcome this resistance, which in turn increases fuel consumption. 2. Spark plugs: Spark plugs are often overlooked. Some vehicles have traveled over a hundred thousand kilometers without replacing the spark plugs. Although the spark plugs may still function, insufficient ignition energy can cause delayed ignition, missing the optimal ignition timing. This leads to partial power loss, as energy is not effectively used for work, and also results in incomplete combustion, further increasing fuel consumption.
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GideonRose
08/15/25 9:29pm
I've been driving for over ten years, and when it comes to the Wevan M20, high fuel consumption is often due to poor driving habits. For example, frequently accelerating hard by stomping on the throttle at startup or speeding on highways increases engine load, naturally leading to higher fuel consumption. Additionally, carrying too much stuff in the car, like loading it full of luggage during a move, increases weight, making the tires harder to roll and consuming more fuel. I’ve also seen cases where a clogged air filter wasn’t replaced in time, causing the engine to struggle for oxygen due to dust buildup, requiring more fuel to run. Insufficient tire pressure is another common issue—checking the pressure gauge monthly and maintaining standard values can save a lot. Developing habits like gently pressing the throttle and maintaining a steady speed can significantly reduce fuel consumption. This method is simple, effective, and saves money. Don’t overlook these details—high fuel consumption not only costs more but may also affect engine lifespan. It’s advisable to schedule regular comprehensive inspections.
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Nathan
10/17/25 6:16am
In the practice of car repair, observing the excessive fuel consumption of the Weiwang M20 is often caused by a dirty air filter. Dust clogging the ventilation holes leads to inefficient engine combustion, requiring more fuel. Worn spark plugs are also a common culprit; when the gap increases, ignition becomes imprecise, resulting in incomplete fuel combustion and unnecessary waste. Insufficient tire pressure increases friction resistance, making rolling more laborious and naturally raising fuel consumption. I've also noticed many issues with clogged or leaking fuel injectors—excessive or leaking fuel causes the fuel consumption numbers to skyrocket. It is recommended that car owners check the air filter and tire pressure monthly; replacing a filter isn't difficult. However, for issues involving the fuel injection system or electrical faults, don't push through—visit a professional shop for diagnostic tool checks to save time and effort. Timely repairs can prevent larger expenses. Don't slack on maintenance; regular part replacements are the foundation of fuel consumption management. Small investments yield significant returns.
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