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Symptoms of Bad Gas In Car – Stay Alert

Gasoline contamination is not an everyday thing but not unheard of. Do you feel the car a bit stiff or sluggish to the commands when driving? Does the vehicle produce sputtering and other unusual noises? Bad gas could be the reason, and it may cause damaging effects if you don’t take prompt action. Learning about the symptoms of bad gas in car is the best prevention to take in this regard.

The engine fuel has to be clean for the engine to perform at the peak level. Even the slightest contamination can affect performance. Any substance that is not an element of the fuel will be considered a pollutant. So, water in the gas tank will also create symptoms of bad gasoline.

Symptoms Of Bad Gas In Car

Optimum engine operation and performance depend on high-grade, clean oil in the tank. When any outside substance gets into the tank or the oil gets dirty for not maintaining oil changing schedule, you will notice these bad gasoline symptoms:

signs of bad gas in car
Engine troubles are common symptoms.


1. Trouble With Acceleration

The problem involves getting a late response when pushing the gas pedal. Engine hesitation could be the by-product of contaminated oil in the internal combustion chamber. The late acceleration will be more visible when you try to speed up. Sometimes, the car may not accelerate at all.

2. Irregular Changes In Speed

Since symptoms of bad gas in car includes issues with acceleration, inconsistent speed changes will be a part of the problem too. Driving speed may change even when you barely press the gas pedal or not at all. Such behavior is puzzling but a simple solution might be just changing the oil.

3. Car Stops Running

The signs of bad gas in car can cause a sudden suspension of engine operation in the middle of driving. It happens when internal combustion cannot yield adequate power that the engine requires to run.

4. Engine Struggles To Kick off

The engine often struggles to start off when an external element like water is mixed in the fuel. There are several reasons for water to end up in the fuel tank. When you face this issue, you must check the condition of the oil.

5. Damaged Fuel Filter

The function of a fuel filter is exactly as its name suggests—filtering out the dirt and sediments and keeping the gas in the tank clean. A damaged filter means compromised filtration, resulting in debris and dregs in the tank. Your car maintenance schedule should include inspection of the fuel filter to make sure that the engine getting supplies of dirt-free oil.

symptoms of bad gasoline
Low-grade fuel is a reason.

Why Does Fuel Turn Bad?

As already explained in the symptoms of bad gas in car, irregular oil change and outside contaminants are the main reasons. Water condensation can occur due to cold weather and a damaged fuel filter. Discounted and bad-quality fuel may have sediments, water, and other pollutants mixed in. Sometimes, shady gasoline distributors or retailers blend premium oil with lower octane fuel to rip off the customers. Leaving the car unused for months and years is another possible cause of bad fuel.