If you own a car, then engine problems are inevitable, and the more miles you drive, the higher the likelihood increases. When this happens, you should be prepared, and we can help you with that. We’ve listed six of the most common engine problems so you can diagnose and fix them yourself.
1. Your Engine Won’t Start
If your engine was cranking, but not starting instead of clicking then your engine could have an issue delivering fuel. Without enough fuel, your engine could misfire and die. Check for leaks in the fuel line. If there are no leaks, then it could be a problem with the fuel pump or filter. A worn-out filter can cause issues for your engine as it won’t be able to separate dirt and other contaminants from entering the engine through the gasoline. If your filter is dirty then clean or replace it.
2. The Engine is Overheating
Your overheating engine may also be a radiator issue. Inspect the radiator by removing the cap and looking inside. If it’s blocked, then remove debris and flush the system with distilled water. If it’s still clogged you may need to completely replace it. Other parts you might want to check for an overheating issue could be the water pump, thermostat, or a broken head gasket.
3. Your Engine Is Making a Knocking Noise
If you’re fine with fuel, your next step is to check your oil. Locate and pull out the oil dipstick to check your oil levels. If the oil is low then fill it. If the oil is dark or dirty, then it may be time to change out the oil. After you fill or replace the oil and the knocking noise continues, then you’ll have to take it to a mechanic to fix it. When fuel or oil is not the cause of the engine knocking then it could be worn spark plugs, uneven air mixture, bad knock sensor, worn bearings, or worn-out belt tensioners and you’ll need a new part. If you leave the noise unchecked, then your engine could fail.
4. Rough Idling
5. Engine stalling
A dirty air filter could also be the cause of your engine stalling. An air filter is responsible for keeping debris and dirt out of the engine. When the air filter is clogged it restricts airflow and can stall the engine. Check the air filter by holding it up to a light source, if you can’t see the light through it, it’s time to clean it or replace it.
6. Poor Gas Mileage
Have you noticed that you’re having to refuel more often than normal? Last, but not least on this list of common engine problems is poor gas mileage. It could just be that you have an older car, but before you trade your car in for a new vehicle, try looking for a broken head gasket first. A broken head gasket could cause poor gas mileage, overheating, and even an eventual breakdown.
Your poor gas mileage can also be caused by a faulty oxygen sensor. This sensor is in charge of telling your vehicle’s main computer the ratio fuel to air ratio to keep the engine running efficiently. Rather your problem is a broken head gasket or a faulty oxygen sensor, or even something else entirely, don’t try to fix it without the help of a professional.
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