Top Triggers of the Check Engine Light

Top Triggers of the Check Engine LightThere are plenty of ways to tell if there is something wrong with your car. Odd smells, weird vibrations and even visual clues such as colorful exhaust or fluid leaks can all indicate trouble. However, if you experience any of these physical signs of a problem, it probably means your car has long been due for repair. If the check engine light comes on before you notice anything else, consider it a blessing as you now have fair warning to get to a shop to prevent the need for bigger repairs. This light will generally come on way before larger issues developing, so the sooner you get to the shop the better chances you have of saving some money on repairs! The following are some of the most common reasons the check engine light will come on.

Failed Catalytic Converter

The catalytic converter is a part of the exhaust system tasked with converting hazardous exhaust fumes into less harmful emissions. Unfortunately, if this part is shown to be the reason the light is on it does mean you're in for a hefty repair. However, this part won't fail unless something else went haywire first, something that probably would have triggered the check engine light and cost much less to repair, long ago.

Malfunctioning O2 Sensor

The oxygen sensor is a part of the exhaust system and measures the amounts of oxygen (O2) in the exhaust in order to help dictate the proper air/fuel mixture for the engine to operate. This sensor may become corroded and need replacement or simply need to be cleaned after many years on the road. A failed sensor can greatly decrease MPGs and result in catalytic converter failure.

Failing MAF Sensor

The Mass Airflow Sensor is in the front of the car and measures incoming airflow to calculate how much of it should be mixed with the gasoline. This is a rather inexpensive and quick fix for most cars, trucks and SUVs if it does fail, but neglecting the repair can cost you big time at the pump and on future repairs.

Dirty Spark Plugs

The spark plugs are fed an electrical charge which causes them to spark and ignite the air and fuel mixture. If they misfire due to corrosion or otherwise it will cause the engine to run very poorly. Simply keeping up with routine auto maintenance, which includes replacing your spark plugs at certain mileage points, will prevent this from happening.

Loose Gas Cap

A loose, cracked or broken gas cap can trigger the light because it may allow for gasoline vapors to evaporate out of the gas filler hose, meaning you're losing gas you didn't even get to try and use!

If your check engine light has come on don't hesitate to visit your local auto repair shop for proper diagnostics. The longer you wait the worse the issue will get. For check engine light Santa Fe reach out to the expert technicians at Automotive Resources. We provide superior engine diagnostics and auto repair for all makes and models, ensuring that your car will remain in tip top shape. Give us a call at (505) 995-9590 to schedule professional auto repair in Santa Fe the next time your car displays any signs of trouble.

Automotive Resources Blog

Written and Published By MORBiZ

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