If your check engine light comes on, it doesn’t necessarily mean that your engine is nearing total disaster. But you should still get to the shop ASAP for computerized diagnostics so that the problem can be identified and resolved before it escalates. At American Five Star Auto Repair & Transmission, we provide expert check engine light diagnostics and repair in the greater Tempe, AZ area. Here’s a look at six common reasons the check engine light turns on.
Catalytic converters do the important job of turning harmful substances in exhaust gasses into less polluting emissions. A faulty catalytic converter is a common check engine light trigger, and may also cause signs of trouble such as decreasing acceleration, a sulfurous odor, and darkened exhaust smoke.
Oxygen sensors monitor how much unburned oxygen is in the exhaust system. An oxygen sensor problem can lead to issues with the catalytic converter.
Mass airflow sensors help with making sure that fuel is correctly injected with incoming air. Symptoms of a mass airflow sensor problem include poor acceleration, rough idling, and difficulty starting your engine.
Healthy spark plugs help to optimize engine performance and gas mileage. With bad spark plugs, you may notice symptoms such as worsening acceleration, hard starts, and misfiring.
If your battery is falling, then low voltage at the computer could lead to an illuminated check engine light.
It might seem bizarre that a loose or missing gas cap could trigger the check engine light, but it does sometimes happen. It’s important to keep your gas cap fastened tightly so that gas doesn’t evaporate before it is directed to your engine.
When you need
engine repair in Tempe
and the surrounding area, contact American Five Star Auto Repair & Transmission at
480-613-5335. At our local auto shop, we can expertly handle your vehicle’s repair and maintenance needs. Feel free to give us a call today to make an appointment!
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Primary Service Areas
Tempe, Mesa, Southern Scottsdale & Eastern Phoenix
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