Nissan Altima Check Engine Light Flashing Other common reasons for a Check Engine Light are dirty mass airflow sensor, faulty head gasket, damaged oxygen sensor, faulty emissions control part, a malfunction with the fuel injection system, or defective spark plugs to name a few.

What causes a car to show engine light?

The light could be a minor issue, such as a faulty gas cap, or it could mean something more serious, such as a misfiring engine. The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car’s engine computer that something is wrong.

What does the check engine light look like on a Nissan Frontier?

If the check engine light in your 2018 Nissan Frontier starts flashing, that means that the problem needs immediate attention and your Nissan should be brought in abruptly. This blinking light usually hints a strict engine misfire allowing unburned fuel to be dumped into the exhaust system.

What causes the Check Engine light to come on in Nissan?

Your Nissan check engine light should come on under normal operation when you insert the key in the ignition. After 5 seconds or once you start the engine, the light should turn off as long as no fault codes are present. If the check engine light stays on, the problem can be something as simple as a loose gas cap or a faulty oxygen sensor.

What does the orange light on my Nissan mean?

Many of us have experienced it before. You’re on your regular commute when suddenly an orange colored light pops up on the dashboard of your Nissan. This light is known as the Malfunction Indicator Light or Check Engine Light and illuminates when there is an issue with your vehicle.

What causes a malfunction indicator light on a Nissan Altima?

Components such as the O2 sensor, catalytic converter, mass air flow sensor, or spark plug wires are common causes of a Malfunction Indicator Light. It’s best to let the factory-trained Nissan technicians diagnose your vehicle to pinpoint the exact cause of the light.

What should I do if my check engine light does not flash?

If you see the Check Engine Light come on but it does not flash, there are a few areas to investigate before scheduling a service appointment. First, take a look and make sure your gas cap is properly tightened. Occasionally, a loose gas cap can trigger a fault in the emissions system which could cause the Malfunction Indicator Light to come on.