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Seeing the check engine light turn on while driving can be a scary experience. With so many components in your vehicle, there’s no way to know immediately which auto parts are causing the problem. With over 60 years of experience, the experts at Trester Used Auto Parts have intimate knowledge of auto parts and possible problems that can trigger the check engine light to turn on.

Below, Milford, OH’s go-to used auto parts professionals share a few common causes behind the check engine light—and what you can do to fix them: 

  • auto partsLoose or Missing Gas Cap:  A gas cap issue is a common reason for the check engine light coming on that many people overlook. The purpose of the cap is to seal the fuel system, prevent gas fumes from releasing while the car is idle, and maintain the fuel tank’s pressure. Without it, your car’s fuel will evaporate, which means you’ll visit the gas station more often. Check to make sure this particular auto part is secure every time you refuel. If the gas cap is missing, replace it quickly.
  • Faulty Wires & Spark Plugs: Though they are among the less expensive auto parts, spark plugs and wires can cause huge problems with your car’s performance if they become faulty. If you wait too long to replace them, your engine’s performance and power will degrade, as well as your fuel economy. Replace these every few years to help keep your vehicle running smoothly.
  • Bad Alternator: Your battery isn’t the only auto part that delivers power to your car’s electrical systems. The purpose of an alternator is to regulate the car’s electricity. If it fails, it will become difficult to drive your vehicle. You will lose power, and the steering will be harder to control. It’s crucial to replace this part immediately if it triggers the check engine light. 

Ignoring your check engine light can cause considerable problems for your car. If the light comes on, you can count on Trester Used Auto Parts to have the car parts you need to fix any problem at affordable prices. Call today at (513) 831-9141 to speak with a helpful representative, or visit them online to view their extensive inventory. 

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