What to Do if Your Subaru Check Engine Light Comes On A faulty MAF sensor can cause your engine to misfire, ultimately causing poor fuel economy, performance, and potentially more unnecessary damage to your engine. Like the oxygen sensors, the MAF sensor measures the amount of air entering the engine and help ensure the proper air-fuel mixture.
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The catalytic converter is a vital part of the emissions system, removing toxic carbon monoxide. Failing Catalytic Converter: Your catalytic converter can eventually clog with material, especially with higher mileage vehicles.Gas cap issues can reduce fuel pressure and allow fuel vapors to escape, reducing fuel economy and increasing harmful emissions. Loose Gas Cap: Your gas cap is loose, broken, or simply missing.Below we have highlighted the most common causes of a check engine light. Fortunately AutoNation Subaru West is here to help you figure out what might be wrong, and what your next steps should be. A wide array of issues can cause a check engine light to come on, some more serious than others.
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Has the check engine light turned on in your Subaru Outback, Crosstrek, Legacy, Forester, Ascent, WRX, or Impreza? It can be alarming seeing an engine warning appear on your dashboard, especially if you've never seen it before.
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Common Causes For Subaru Check Engine Light