What Causes Insufficient Power, High Fuel Consumption, and Slow Acceleration?

2 Answers
McKeegan
07/29/25 11:05pm
Insufficient power, high fuel consumption, and slow acceleration are most likely caused by prolonged idling or warming up the vehicle while stationary, leading to increased carbon deposits. Here are some details about fuel consumption: 1. Introduction: Generally refers to the amount of gasoline consumed per 100 kilometers, which is a theoretical indicator for vehicles. 2. Methods to reduce fuel consumption: The longer the vehicle idles, the higher the fuel consumption, so minimize idling time; avoid sudden acceleration, hard pressing of the accelerator, and driving at low RPMs. 3. Factors affecting fuel consumption: Various driving conditions such as acceleration, deceleration, braking, and engine idling, as well as load capacity, ambient temperature, and whether the air conditioning is on, all have an impact.
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OMax
08/16/25 1:03am
As an experienced driver, I think when the power feels sluggish and fuel consumption is unusually high, there's an 80% chance the engine is acting up. Carbon deposits, the main culprit, clog the valves and fuel injectors, causing poor fuel spray and incomplete combustion. Step on the gas and the car wheezes weakly while wasting fuel. Worn-out spark plugs with weak ignition are also to blame for incomplete fuel burning. If the air filter is as clogged as a mask, the engine can't breathe properly. A faulty oxygen sensor confuses the computer about fuel delivery, skyrocketing fuel consumption. Infrequent oil changes leading to high viscosity make the engine labor internally. Underinflated tires drag and increase fuel usage. If you encounter these issues, get to a shop for inspection immediately—don't wait until you're stranded roadside.
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