To help you better understand what you should do next, we've outlined possible scenarios: The way your check engine light is behaving though can help you determine what might be wrong with your Nissan, and the severity of the issue. Our service technicians have the most up-to-date diagnostic equipment that can quickly read Nissan OBD-II Trouble Codes.
No matter the situation, when the check engine light comes on in your Nissan, we always suggest stopping by our service center so one of our knowledgeable technicians can properly diagnose and repair your vehicle. What to Do if Your Nissan 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. Faulty Mass Air Flow Sensor: When exposed to dirty or particle-rich air, the Mass Air Flow (MAF) sensor could fail.An engine with too little fuel is at risk of total engine failure, and an engine with too much fuel will create excessive smoke and odor. A faulty oxygen sensor can cause your vehicle's computer to supply the engine with too much or too little fuel. The oxygen sensor provides vital air-fuel mixture information to the ECU. Faulty Oxygen Sensor: Due to long exposure to hot exhaust gas, your oxygen sensor might need replacing.Faulty spark plugs or spark plug wires can cause your engine to misfire, reducing fuel economy, performance, and even prevent it from running altogether. Your spark plugs create a hot spark that ignites the air-and-fuel mixture in the cylinder, allowing your engine to start and run. Fouled Spark Plugs or Spark Plug Wires: Over time you will eventually need new spark plugs or spark plug wires.A failing or clogged catalytic converter can severely impact fuel economy and vehicle performance. 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 Nissan Chandler 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. Has the check engine light turned on in your Nissan Altima, Versa, Rogue, Pathfinder, or Frontier? It can be alarming seeing an engine warning appear on your dashboard, especially if you've never seen it before. Schedule Service Appointment Common Causes For Nissan Check Engine Light
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