Why Would an Engine Fail


Why Would an Engine FailYour car's engine is highly engineered to operate under intense environmental conditions, include extreme heat, constant and fast motion and a never ending cycle of starting and stopping. All of these things contribute to an engine wearing, but many engines will last for hundreds of thousands of miles with proper care. However, there are a few things that can contribute to an engine failing, which would likely require the need for an engine rebuild or replacement. Let's take a look.

High Mileage Wear and Tear

As with any machine with moving parts, the more they are used, the more they wear, and automotive engines are no different. As the odometer racks up more and more miles the higher the damage toll is for the engine, even if it is well cared for the interior motor parts will wear down and eventually need service, which in many cases means a rebuilt or replacement engine.

Improper Lubrication

If you fail to provide your car with proper oil changes the engine is going to run dry. This is the quickest way to ruin an engine as the motor relies on oil to prevent harsh metal on metal friction among its moving parts.

Snapped Timing Belt

If your vehicle's engine uses a timing belt it is important that you have it replaced when called for by the owner's manual. If the timing belt were to snap it could send you engine into a catastrophic tailspin of destruction. Parts would move out of sync, resulting in them smashing into each other. This is a surefire way to destroy an engine and often times the best method of repair is a replacement engine.


Another issue that can cause massive engine damage is called detonation, which is sometimes referred to as spark knock. This occurs when there is excessive heat and pressure in the combustion chamber, resulting in the air and fuel mixture igniting when it is not supposed to. This often causes head gasket failure, but can cause a number of other issues as well.

Major engine damage often results in the need for a rebuild or an engine replacement. If you'd like an honest opinion about the condition of your car's engine or if you believe it is time for an engine replacement in Mesa contact the team at Discount Engines. We use quality rebuilt engines and used engines from low mileage cars to get you back on the road fast. Give us a call at (480) 351-6068 to learn more about our inventory of engines for sale in Mesa.

Discount Engines Blog

Written and Published By MORBiZ

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