Top Causes of Engine Breakdown


Top Causes of Engine BreakdownVehicle engines are highly engineered to perform well with relatively little maintenance. While oil changes, timing belt replacements and 30/60/90K maintenances are all necessary parts of an engine's life, there are problems that can arise regardless of how well maintained they are that will leave you stranded and wondering what went wrong. Hopefully it doesn't get to the point of complete engine failure, as you will have likely had numerous symptoms of trouble beforehand. But if your engine does bring your car to a grinding halt it is likely because it didn't receive the service it needed or because it has racked up many miles, wearing out parts along the way. These are three common things that can cause an engine to seize up.

Overheating Problems

If the engine is allowed to run at temperatures hotter than it is designed to it will begin to overheat. If this happens it can cause several parts to fail. Overheating often occurs due a coolant leak from coming from the radiator, a cooling system home or system or even inside the engine itself. Other issues that cause overheating include a faulty water pump, a bad electric fan, or a failed thermostat. It is necessary to have your cooling system flushed and refilled according to the manufacturer's maintenance schedule, as this will help prevent overheating issues as well. Overheating can cause blown head gaskets, cracked blocks and other problems, both of which lead to bigger trouble down the road.


Abnormal combustion in the engine will produce excess heat and pressure within the combustion chamber. This means that fuel will be combusting when it should not be, which will often cause a loud knocking noise. The most common reason detonation occurs is the failure of the exhaust gas recirculation (EGR) system. This system is what ensures a proper air/fuel mixture so the engine will properly operate. It may also be caused by using incorrect spark plugs, bad ignition timing, the use of low octane fuel or running a hot engine.

Improper Engine Lubrication

Likely most common causes of complete engine failure is improper lubrication, meaning there is not enough oil in the engine. The lack of oil will result in excessive metal on metal contact between the engine's moving parts, which can cause major damage to them. The most common causes of engine oil starvation is a faulty oil pump or general high mileage wear and tear. Of course failing to change the oil can also be a culprit of this problem.

Be sure to keep up with your scheduled auto maintenance to avoid these problems that can often result in major engine damage. Remember, if you're suffering from a lack of power or any other signs of engine trouble you should head to a local auto repair shop for proper diagnostics and to find out if it's time for an engine swap. For a professional engine swap in Mesa reach out to Discount Engines. We stock used and rebuilt engines for all makes and models! Give us a call at (480) 351-6068 to request a quote for engine replacement in Mesa.

Discount Engines Blog

Written and Published By MORBiZ

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