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June 19, 2024
Although an illuminated check engine light doesn’t automatically mean that your engine is on the verge of complete failure, it’s still smart to get to the shop for diagnostics. By being proactive, you’ll have the best chance to address the issue before it gets worse and costs more to fix. At Auto Science, we provide expert check engine light diagnostics and repair in the greater Lewisville, TX area. Here’s a look at five common check engine light triggers.
The oxygen sensor measures the amount of unburned oxygen in your car’s exhaust. It sends this information to the engine’s computer to help manage fuel-efficiency and emissions, which can worsen if you have a bad oxygen sensor. Replacing a faulty sensor is essential to maintain your car's performance.
Your car’s catalytic converter helps reduce emissions by converting harmful gasses into less harmful substances. If it’s not functioning properly, it can trigger the check engine light. Symptoms of a failing catalytic converter include reduced engine performance, poor fuel-economy, and a sulfur-like smell.
The mass airflow (MAF) sensor measures the amount of air entering the engine and helps determine how much fuel to inject. A malfunctioning MAF sensor can result in poor engine performance and increased emissions. Symptoms include rough idling and difficulty starting.
Faulty spark plugs or wires can cause misfires, leading to poor engine performance and triggering the check engine light. Replacing spark plugs and wires as part of regular maintenance can prevent these issues.
It might seem strange, but a loose/damaged gas cap may trigger the light too. The gas cap seals the fuel system. If it’s loose, fuel may evaporate before your engine gets the chance to put it to use. Tightening it might just resolve the issue.
For
auto repair in Lewisville and the surrounding area, contact Auto Science at (972) 245-7200 . Feel free to give us a call today to
schedule an appointment !
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