What are the symptoms of incomplete engine combustion?
3 Answers
The symptoms of incomplete engine combustion include: 1. Insufficient vehicle power, slow acceleration, and gradually decreasing power; 2. Strong and pungent odor from the exhaust pipe; 3. Black or white smoke emitted from the exhaust pipe. Solutions are: 1. Clean the engine, transmission, and fuel injectors; 2. Repair the exhaust gas recirculation system and combustion chamber; 3. Use high-quality gasoline. An engine is a machine that converts other forms of energy into mechanical energy. It can be used as a power generation device or refer to the entire machine including the power unit. Types of engines include internal combustion engines (such as gasoline engines), external combustion engines (such as Stirling engines and steam engines), and electric motors.
From my over 20 years of driving experience, the symptoms of incomplete engine combustion are quite obvious. Black smoke coming from the exhaust pipe, like a chimney, is a clear sign of unburned fuel. Fuel consumption also skyrockets - where a full tank used to last 500 km, now it barely makes 400, which really hurts the wallet. The car feels sluggish when accelerating, like the gas pedal isn't responding. Idle is unstable too, sometimes stalling at red lights - super embarrassing. Cold starts become problematic, often requiring multiple attempts. I recommend promptly checking spark plugs and fuel injectors. Addressing these minor issues early can save big money and prevent dangerous situations on the highway.
As an amateur car enthusiast who frequently tinkers with vehicles, I've noticed signs of incomplete engine combustion including severe idle shaking—the car dances around, making it uncomfortable to sit in. There's a noticeable drop in power output, struggling when climbing hills or overtaking, accompanied by a rattling noise from the engine. Fuel consumption increases significantly, jumping from 8 liters per 100 kilometers to 10 liters, causing a noticeable drain on the wallet. Black smoke emits from the exhaust pipe, polluting the environment. Starting the engine also becomes sluggish, with no response when pressing the ignition button. It might be time to check the ignition coils or clean the throttle body—both are simple DIY tasks.
