5 Signs Your Car Have Bad Fuel Inside the Gas Tank

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Engine fuel is refined specifically for the purpose of operating a car engine. There cannot be any contamination of the fuel whatsoever or else the engine’s performance will suffer as a result. Contamination could mean virtually any outside substance that does not belong in the fuel, such as water. Out of all the reasons for fuel to go bad, the number one reason that car owners experience is water getting into their gas tank and contaminating their fuel.

There are a few reasons to explain how water gets mixed in with fuel, condensation being the top reason. If you live in a cold environment, then it is common for condensation to occur inside the gas tank. Also, there could be water in the gas pump when you fill your tank with fuel at the gas station. Sometimes a gas station might have a damaged water filter in their pump which does not do a good job of filtering out the water from their fuel. There is nothing you can do to prevent this obviously because it is the gas station’s responsibility. Aside from water, fuel can go bad by simply leaving it unused for months and years at a time too.

Top 5 Signs Bad Fuel

If you are unsure whether your fuel has gone bad, there are at least 5 signs that you can watch out for to determine this. These signs are a clear indication that your fuel is either contaminated or just really old. Either way, you will need to have all the fuel drained from your gas tank and then replaced with fresh uncontaminated fuel. That is the only way to remedy this situation.

Below are the top 5 signs of having bad fuel in your car engine.

Acceleration Issues – If you step on the gas pedal and do not accelerate right away, then you are experiencing hesitation from the engine. This hesitation could be the result of bad fuel in the internal combustion chamber. It will either take your vehicle a few seconds to respond to the gas pedal before it accelerates, or it won’t accelerate at all. The faster you try to go, the more apparent this symptom will be.

Abnormal Speed Changes – Aside from issues accelerating, bad fuel can also cause spontaneous changes to the speed that you are driving. Even if you barely have your foot on the gas pedal or not at all, you may notice that your driving speed will change drastically for no apparent reason. This is another indicator that you have bad fuel in your gas tank and cylinder.

Damaged Fuel Filter – The fuel filter is responsible for ensuring that dirt and debris do not make their way into the gas tank and mix with the fuel. This could cause devastating results for the performance of your engine. So, if you have a damaged fuel filter, this would explain why your fuel has gone bad. Periodically check your fuel filter to ensure that it is in good condition.

Engine Stops Running – You may be driving along and then your engine will suddenly stop running. This can happen when you have bad fuel because the internal combustion process will not be able to generate the necessary power to sustain the demands placed on the engine. This will cause the engine to stop running as a result.

Read also: 5 Reason Why the Lower Control Arm Bushing Become Easy to Damage

Trouble Starting Engine – If you have an excessive amount of water or other contaminants mixed with your fuel, then you will have difficulties with starting your engine. There could be numerous reasons for experiencing trouble like this. But if you have experienced any of the other symptoms, then you can attribute it to bad fuel.

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1 comment

  1. Herve Delorme 5 February, 2019 at 23:50 Reply

    thank you for this very interesting article

    Can a poor gas induce engine‘s stoppage with everything lit up on the dashboard (my car is a 2018 Mercedes GLE 400) – but then the enginre restarts normally?
    Thank you

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